結果

問題 No.1407 Kindness
ユーザー ma2yukima2yuki
提出日時 2021-02-26 21:48:04
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 15 ms / 2,000 ms
コード長 21,135 bytes
コンパイル時間 4,833 ms
コンパイル使用メモリ 269,196 KB
最終ジャッジ日時 2025-01-19 05:04:03
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 36
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘void scan(int&)’:
main.cpp:103:25: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  103 | void scan(int& a){ scanf("%d", &a); }
      |                    ~~~~~^~~~~~~~~~
main.cpp: In function ‘void scan(unsigned int&)’:
main.cpp:104:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  104 | void scan(unsigned& a){ scanf("%u", &a); }
      |                         ~~~~~^~~~~~~~~~
main.cpp: In function ‘void scan(long int&)’:
main.cpp:105:26: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  105 | void scan(long& a){ scanf("%ld", &a); }
      |                     ~~~~~^~~~~~~~~~~
main.cpp: In function ‘void scan(long long int&)’:
main.cpp:106:31: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  106 | void scan(long long& a){ scanf("%lld", &a); }
      |                          ~~~~~^~~~~~~~~~~~
main.cpp: In function ‘void scan(long long unsigned int&)’:
main.cpp:107:40: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  107 | void scan(unsigned long long& a){ scanf("%llu", &a); }
      |                                   ~~~~~^~~~~~~~~~~~
main.cpp: In function ‘void scan(float&)’:
main.cpp:109:27: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  109 | void scan(float& a){ scanf("%f", &a); }
      |                      ~~~~~^~~~~~~~~~
main.cpp: In function ‘void scan(double&)’:
main.cpp:110:28: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused

ソースコード

diff #
プレゼンテーションモードにする

/*
template
ref1:https://github.com/tatyam-prime/kyopro_library
ref2:https://tatyam.hatenablog.com/entry/2019/12/15/003634
*/
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using uint = unsigned;
using pcc = pair<char, char>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pdd = pair<double, double>;
using tuplis = array<ll, 3>;
template<class T> using pq = priority_queue<T, vector<T>, greater<T>>;
const ll LINF=0x1fffffffffffffff;
const ll MINF=0x7fffffffffff;
const ll LPLMT=10000010;//O(n)loop
const ll NLGLMT=200010;//O(NlogN)loopforO(logN)
const ll N2LMT=3010;//O(n^2)loop
const ll N3LMT=110;//O(n^3)loop
const ll N4LMT=50;//O(n^4)loop
const ll TNLMT=20;//O(2^n)loop使
const int INF=0x3fffffff;
const int MOD=1000000007;
const int MODD=998244353;
const ld DINF=numeric_limits<ld>::infinity();
const ld EPS=1e-9;
const ld PI=3.1415926535897932;
const ll dx[] = {0, 1, 0, -1, 1, -1, 1, -1};
const ll dy[] = {1, 0, -1, 0, 1, 1, -1, -1};
#define overload4(_1,_2,_3,_4,name,...) name
#define overload3(_1,_2,_3,name,...) name
/**/
#define rep1(n) for(ll i=0;i<n;++i)//nrepeat
#define rep2(i,n) for(ll i=0;i<n;++i)//nrepeat
#define rep3(i,a,b) for(ll i=a;i<b;++i)//a-brepeat
#define rep4(i,a,b,c) for(ll i=a;i<b;i+=c)//a-bcrepeat使
#define rep(...) overload4(__VA_ARGS__,rep4,rep3,rep2,rep1)(__VA_ARGS__)//repeat
#define rrep1(n) for(ll i=(n);i--;)
#define rrep2(i,n) for(ll i=(n);i--;)
#define rrep3(i,a,b) for(ll i=(b);i-->(a);)
#define rrep4(i,a,b,c) for(ll i=a+(b-a-1)/c*c;i>=a;i-=c)
#define rrep(...) overload4(__VA_ARGS__,rrep4,rrep3,rrep2,rrep1)(__VA_ARGS__)//repeat
#define each1(i,a) for(auto&& i:a)
#define each2(x,y,a) for(auto&& [x,y]:a)
#define each3(x,y,z,a) for(auto&& [x,y,z]:a)
#define each(...) overload4(__VA_ARGS__,each3,each2,each1)(__VA_ARGS__)//
#define all1(i) begin(i),end(i)
#define all2(i,a) begin(i),begin(i)+a
#define all3(i,a,b) begin(i)+a,begin(i)+b
#define all(...) overload3(__VA_ARGS__,all3,all2,all1)(__VA_ARGS__)//vector
#define rall1(i) (i).rbegin(),(i).rend()
#define rall2(i,k) (i).rbegin(),(i).rbegin()+k
#define rall3(i,a,b) (i).rbegin()+a,(i).rbegin()+b
#define rall(...) overload3(__VA_ARGS__,rall3,rall2,rall1)(__VA_ARGS__)//(rbegin,rend
#define vsum(...) accumulate(all(__VA_ARGS__),0LL)//vector(intdsum使)
#define dsum(...) accumulate(all(__VA_ARGS__),0.0L)//(long long double)
#define elif else if
#define unless(a) if(!(a))
#define mp make_pair
#define mt make_tuple
/**/
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)//intLD
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;in(__VA_ARGS__)
/*vector*/
#define SORT(a) sort(all(a))//
#define RS(a) sort(all(a)),reverse(all(a))//sort(vec.begin(), vec.end(), greater<ll>())//
#define REV(a) reverse(all(a))//
#define UNIQ(a) sort(all(a)),a.erase(unique(all(a)),end(a))
#define CNCT(a,b) a.insert(a.end(),all(b))//vector:avector:b
#define vec(type,name,...) vector<type> name(__VA_ARGS__)//typevector
#define VEC(type,name,size) vector<type> name(size);in(name)//typevector(size)
#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))
#define VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name)
#define IV(type,name,size) vector<pair<int, int>> name;for (int i = 0; i < size; i++) {int a_i;cin >> a_i; name.emplace_back(a_i,i);}
    //IndexvectorpairVector,(data,index)
#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))
template<class T> auto min(const T& a){ return *min_element(all(a)); }
template<class T> auto max(const T& a){ return *max_element(all(a)); }
inline ll popcnt(ull a){ return __builtin_popcountll(a); }
ll gcd(ll a, ll b){ while(b){ ll c = b; b = a % b; a = c; } return a; }
ll lcm(ll a, ll b){ if(!a || !b) return 0; return a * b / gcd(a, b); }
ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }
ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }
template<class T, class U> bool chmin(T& a, const U& b){ if(a > b){ a = b; return 1; } return 0; }
template<class T, class U> bool chmax(T& a, const U& b){ if(a < b){ a = b; return 1; } return 0; }
vector<ll> iota(ll n){ vector<ll> a(n); iota(a.begin(), a.end(), 0); return a; }//0~n-1vector
vector<pll> factor(ull x){ vector<pll> ans; for(ull i = 2; i * i <= x; i++) if(x % i == 0){ ans.push_back({i, 1}); while((x /= i) % i == 0) ans.back
    ().second++; } if(x != 1) ans.push_back({x, 1}); return ans; }//x{}vector
map<ll,ll> factor_map(ull x){ map<ll,ll> ans; for(ull i = 2; i * i <= x; i++) if(x % i == 0){ ans[i] = 1; while((x /= i) % i == 0) ans[i]++; } if(x !
    = 1) ans[x] = 1; return ans; }//mapVer.
vector<ll> divisor(ull x){ vector<ll> ans; for(ull i = 1; i * i <= x; i++) if(x % i == 0) ans.push_back(i); rrep(ans.size() - (ans.back() * ans.back
    () == x)) ans.push_back(x / ans[i]); return ans; }//vector
template<class T> unordered_map<T, ll> press(vector<T>& a){ auto b = a; sort(all(b)); b.erase(unique(all(b)), b.end()); unordered_map<T, ll> ans; rep
    (b.size()) ans[b[i]] = i; each(i, a) i = ans[i]; return ans; }
    // aa{}unordered_map
template<class T> map<T, ll> press_map(vector<T>& a){ auto b = a; sort(all(b)); b.erase(unique(all(b)), b.end()); map<T, ll> ans; rep(b.size())
    ans[b[i]] = i; each(i, a) i = ans[i]; return ans; }//mapVer.
int scan(){ return getchar(); }
void scan(int& a){ scanf("%d", &a); }
void scan(unsigned& a){ scanf("%u", &a); }
void scan(long& a){ scanf("%ld", &a); }
void scan(long long& a){ scanf("%lld", &a); }
void scan(unsigned long long& a){ scanf("%llu", &a); }
void scan(char& a){ do{ a = getchar(); }while(a == ' ' || a == '\n'); }
void scan(float& a){ scanf("%f", &a); }
void scan(double& a){ scanf("%lf", &a); }
void scan(long double& a){ scanf("%Lf", &a); }
void scan(vector<bool>& a){ for(unsigned i = 0; i < a.size(); i++){ int b; scan(b); a[i] = b; } }
void scan(char a[]){ scanf("%s", a); }
void scan(string& a){ cin >> a; }
template<class T> void scan(vector<T>&);
template<class T, size_t size> void scan(array<T, size>&);
template<class T, class L> void scan(pair<T, L>&);
template<class T, size_t size> void scan(T(&)[size]);
template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }
template<class T> void scan(deque<T>& a){ for(auto&& i : a) scan(i); }
template<class T, size_t size> void scan(array<T, size>& a){ for(auto&& i : a) scan(i); }
template<class T, class L> void scan(pair<T, L>& p){ scan(p.first); scan(p.second); }
template<class T, size_t size> void scan(T (&a)[size]){ for(auto&& i : a) scan(i); }
template<class T> void scan(T& a){ cin >> a; }
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }
void print(){ putchar(' '); }
void print(bool a){ printf("%d", a); }
void print(int a){ printf("%d", a); }
void print(unsigned a){ printf("%u", a); }
void print(long a){ printf("%ld", a); }
void print(long long a){ printf("%lld", a); }
void print(unsigned long long a){ printf("%llu", a); }
void print(char a){ printf("%c", a); }
void print(char a[]){ printf("%s", a); }
void print(const char a[]){ printf("%s", a); }
void print(float a){ printf("%.15f", a); }
void print(double a){ printf("%.15f", a); }
void print(long double a){ printf("%.15Lf", a); }
void print(const string& a){ for(auto&& i : a) print(i); }
template<class T> void print(const vector<T>&);
template<class T, size_t size> void print(const array<T, size>&);
template<class T, class L> void print(const pair<T, L>& p);
template<class T, size_t size> void print(const T (&)[size]);
template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print
    (*i); } }
template<class T> void print(const deque<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i
    ); } }
template<class T, size_t size> void print(const array<T, size>& a){ print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ putchar(' '); print(*i);
    } }
template<class T, class L> void print(const pair<T, L>& p){ print(p.first); putchar(' '); print(p.second); }
template<class T, size_t size> void print(const T (&a)[size]){ print(a[0]); for(auto i = a; ++i != end(a); ){ putchar(' '); print(*i); } }
template<class T> void print(const T& a){ cout << a; }
int out(){ putchar('\n'); return 0; }
template<class T> int out(const T& t){ print(t); putchar('\n'); return 0; }//cout<<t<<endl
template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); putchar(' '); out(tail...); return 0; }
#ifdef DEBUG
inline ll __lg(ull __n){ return sizeof(ull) * __CHAR_BIT__ - 1 - __builtin_clzll(__n); }
#define debug(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }
#else
#define debug(...) void(0)
#endif
/**/
int first(bool i = true){ return out(i?"first":"second"); }//ifirst
int yes(bool i = true){ return out(i?"yes":"no"); }
int Yes(bool i = true){ return out(i?"Yes":"No"); }
int No(){ return out("No"); }
int YES(bool i = true){ return out(i?"YES":"NO"); }
int NO(){ return out("NO"); }
int Yay(bool i = true){ return out(i?"Yay!":":("); }
int possible(bool i = true){ return out(i?"possible":"impossible"); }
int Possible(bool i = true){ return out(i?"Possible":"Impossible"); }
int POSSIBLE(bool i = true){ return out(i?"POSSIBLE":"IMPOSSIBLE"); }
void Case(ll i){ printf("Case #%lld: ", i); }
/*vector*/
#define bSearch(v,k) binary_search(all(v),k)//vk(boolean)
#define lowB(v,k) lower_bound(all(v),k)//vk
#define DLbetB(v,k) distance(v.begin(),lowB(v,k))//
#define DLbetE(v,k) distance(lowB(v,k),v.end())//
#define uppB(v,k) upper_bound(all(v),k)//vk
#define DUbetB(v,k) distance(v.begin(),uppB(v,k))//
#define DUbetE(v,k) distance(uppB(v,k),v.end())//
#define Cnt(v,k) count(all(v),k)//vk(size_t)
#define CntIf(v,l) count_if(all(v),l)//v(lambda)(ex.int num = count_if(v.begin(), v.end(), [](int i){return i % 3
    == 0;});)
#define Sort2D(myVec,i) sort(myVec.begin(),myVec.end(),[](const vector<ll> &alpha,const vector<ll> &beta){return alpha[i] < beta[i];}
    );//i
/**/
template <class T>
T vgcd(T m, T n) {
return gcd(m, n);
}
template <class T, class... Args>
T vgcd(T a, Args... args) {
return vgcd(a, vgcd(args...));
}
#define vecgcd(a) reduce(all(a),0LL,gcd<ll,ll>)
/**/
void mod(ll &n,ll p){
n%=p;
while(n<0)n+=p;
}
ll rtmod(ll n,ll p){
mod(n,p);
return n;
}
/* (a/b→a*modinv(b))*/
// mod. m a a^{-1}
ll modinv(ll a,ll m){
long long b = m, u = 1, v = 0;
while (b) {
long long t = a / b;
a -= t * b; swap(a, b);
u -= t * v; swap(u, v);
}
u %= m;
if (u < 0) u += m;
return u;
}
/**/
ll facctorialMethod(ll k){
ll sum = 1;
for (ll i = 1; i <= k; ++i)
{
sum *= i;
//sum%=MOD;//
}
return sum;
}
ll fac2(ll k,ll a,ll p){
ll sum = 1;
for (ll i = k; i > k-a; --i)
{
sum *= i;
sum%=p;//
}
return sum;
}
/*nCk*/
ll comb(const ll N,const ll K){
vector<vector<long long int> > v(N+1,vector<long long int>(N+1,0));
for(int i = 0;i <v.size(); i++){
v[i][0]=1;
v[i][i]=1;
}
for(int k = 1;k <v.size();k++){
for(int j = 1;j<k;j++){
v[k][j]=(v[k-1][j-1]+v[k-1][j]);
}
}
return v[N][K];
}
ll modcomb(ll n,ll k,ll p){
ll c=fac2(n,k,p);
c*=modinv(fac2(k,k,p),p);
mod(c,p);
return c;
}
/**/
/*
http://satanic0258.hatenablog.com/entry/2017/02/23/222647
使1
XQ
vQ
Q
*/
//int N; //
//int Q;//
ll doubling(const ll N,const ll Q,vector<ll> &a){//cin>>N>>Q;//
ll LOG_Q = floor(log2(Q))+1;
// next[k][i]i2^k
// (i2^k
// next[k][i]-1)
std::vector<std::vector<ll>> next(LOG_Q + 1, std::vector<ll>(N));
//ll a[N];//
// next[0]
for (int i = 0; i < N; ++i){
next[0][i] = a[i];
}
// next
for (ll k = 0; k < LOG_Q; ++k){
for (int i = 0; i < N; ++i){
if (next[k][i] == -1) {
// 2^k2^(k+1)
next[k + 1][i] = -1;
}
else {
// 2^k2^k2^(k+1)
next[k + 1][i] = next[k][next[k][i]];
}
}
}
// --------
// pQ
ll p=0;
for (ll k = LOG_Q - 1; k >= 0; --k){
if (p == -1) {
// p
//
break;
}
if ((Q >> k) & 1) {//ex(Q=5)5=101(2)2^2+2^0
// Qk
// p2^k
p = next[k][p];
}
}
return p;//p
}
/**/
bool IsPrime(ll num)
{
if (num < 2) return false;
else if (num == 2) return true;
else if (num % 2 == 0) return false; //
double sqrtNum = sqrt(num);
for (int i = 3; i <= sqrtNum; i += 2)
{
if (num % i == 0)
{
//
return false;
}
}
//
return true;
}
/*->command+F-> 
*/
/*
0~n-1
rep(n)v.push_back(i);
do{}while(next_permutation(all(v)));
*/
//ceil()// ll(ceil((ld)n/(ld)x))=(n+x-1)/x
//floor()//
//round()//
//deque<ll> deq;//使
//using std::map;
//map<string,ll>memo;//<
/**/
signed solve();
void slv();
signed main(){
int testcase=1;
//scanf("%d",&testcase);//
while(testcase--)slv();
}
void slv(){//
//Input()
solve();//
}
/*
ref:https://github.com/tatyam-prime/kyopro_library/blob/master/Modint.cpp
*/
constexpr unsigned Mod = MOD;
struct Modint{
unsigned num = 0;
constexpr Modint() noexcept {}
constexpr Modint(const Modint &x) noexcept : num(x.num){}
inline constexpr operator ll() const noexcept { return num; }
inline constexpr Modint& operator+=(Modint x) noexcept { num += x.num; if(num >= Mod) num -= Mod; return *this; }
inline constexpr Modint& operator++() noexcept { if(num == Mod - 1) num = 0; else num++; return *this; }
inline constexpr Modint operator++(int) noexcept { Modint ans(*this); operator++(); return ans; }
inline constexpr Modint operator-() const noexcept { return Modint(0) -= *this; }
inline constexpr Modint operator-(Modint x) const noexcept { return Modint(*this) -= x; }
inline constexpr Modint& operator-=(Modint x) noexcept { if(num < x.num) num += Mod; num -= x.num; return *this; }
inline constexpr Modint& operator--() noexcept { if(num == 0) num = Mod - 1; else num--; return *this; }
inline constexpr Modint operator--(int) noexcept { Modint ans(*this); operator--(); return ans; }
inline constexpr Modint& operator*=(Modint x) noexcept { num = ull(num) * x.num % Mod; return *this; }
inline constexpr Modint& operator/=(Modint x) noexcept { return operator*=(x.inv()); }
template<class T> constexpr Modint(T x) noexcept {
using U = typename conditional<sizeof(T) >= 4, T, int>::type;
U y = x; y %= U(Mod); if(y < 0) y += Mod; num = unsigned(y);
}
template<class T> inline constexpr Modint operator+(T x) const noexcept { return Modint(*this) += x; }
template<class T> inline constexpr Modint& operator+=(T x) noexcept { return operator+=(Modint(x)); }
template<class T> inline constexpr Modint operator-(T x) const noexcept { return Modint(*this) -= x; }
template<class T> inline constexpr Modint& operator-=(T x) noexcept { return operator-=(Modint(x)); }
template<class T> inline constexpr Modint operator*(T x) const noexcept { return Modint(*this) *= x; }
template<class T> inline constexpr Modint& operator*=(T x) noexcept { return operator*=(Modint(x)); }
template<class T> inline constexpr Modint operator/(T x) const noexcept { return Modint(*this) /= x; }
template<class T> inline constexpr Modint& operator/=(T x) noexcept { return operator/=(Modint(x)); }
inline constexpr Modint inv() const noexcept { ll x = 0, y = 0; extgcd(num, Mod, x, y); return x; }
static inline constexpr ll extgcd(ll a, ll b, ll &x, ll &y) noexcept { ll g = a; x = 1; y = 0; if(b){ g = extgcd(b, a % b, y, x); y -= a / b * x;
        } return g; }
inline constexpr Modint pow(ull x) const noexcept { Modint ans = 1, cnt = *this; while(x){ if(x & 1) ans *= cnt; cnt *= cnt; x /= 2; } return ans
        ; }
};
std::istream& operator>>(std::istream& is, Modint& x) noexcept { ll a; cin >> a; x = a; return is; }
inline constexpr Modint operator""_M(ull x) noexcept { return Modint(x); }
std::vector<Modint> fac(1, 1), inv(1, 1);
inline void reserve(ll a){
if(fac.size() >= a) return;
if(a < fac.size() * 2) a = fac.size() * 2;
if(a >= Mod) a = Mod;
while(fac.size() < a) fac.push_back(fac.back() * Modint(fac.size()));
inv.resize(fac.size());
inv.back() = fac.back().inv();
for(ll i = inv.size() - 1; !inv[i - 1]; i--) inv[i - 1] = inv[i] * i;
}
inline Modint fact(ll n){ if(n < 0) return 0; reserve(n + 1); return fac[n]; }
inline Modint perm(ll n, ll r){
if(r < 0 || n < r) return 0;
if(n >> 24){ Modint ans = 1; for(ll i = 0; i < r; i++) ans *= n--; return ans; }
reserve(n + 1); return fac[n] * inv[n - r];
}
signed solve(){//main
/*
idea:
*/
STR(n);
ll sz=n.size();
Modint ans=modpow(45,sz-1,MOD);
ans-=1;
ans*=45;
ans/=44;
Modint ml=1;
rep(sz-1){
int ai=n[i]-'0';
Modint tmp=ai*(ai-1)/2;
tmp*=modpow(45,sz-1-i,MOD);
ans+=tmp*ml;
ml*=ai;
}
int alas=n[sz-1]-'0';
Modint tmp=alas*(alas+1)/2;
ans+=ml*tmp;
out(ans);
return 0;//checklist.txt
}
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0