結果
| 問題 | No.1683 Robot Guidance |
| ユーザー |
 mtsd
|
| 提出日時 | 2021-09-17 22:10:52 |
| 言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 13,401 bytes |
| コンパイル時間 | 1,859 ms |
| コンパイル使用メモリ | 175,140 KB |
| 実行使用メモリ | 38,784 KB |
| 最終ジャッジ日時 | 2024-06-29 20:46:05 |
| 合計ジャッジ時間 | 6,067 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge2 |
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テストケース
テストケース表示| 入力 | 結果 | 実行時間 実行使用メモリ |
|---|---|---|
| testcase_00 | AC | 73 ms
38,656 KB |
| testcase_01 | AC | 70 ms
38,680 KB |
| testcase_02 | AC | 68 ms
38,784 KB |
| testcase_03 | AC | 78 ms
38,556 KB |
| testcase_04 | AC | 66 ms
38,680 KB |
| testcase_05 | AC | 70 ms
38,656 KB |
| testcase_06 | AC | 75 ms
38,656 KB |
| testcase_07 | AC | 71 ms
38,656 KB |
| testcase_08 | AC | 101 ms
38,784 KB |
| testcase_09 | AC | 71 ms
38,656 KB |
| testcase_10 | AC | 86 ms
38,784 KB |
| testcase_11 | AC | 89 ms
38,784 KB |
| testcase_12 | AC | 105 ms
38,656 KB |
| testcase_13 | AC | 66 ms
38,656 KB |
| testcase_14 | AC | 92 ms
38,684 KB |
| testcase_15 | AC | 66 ms
38,656 KB |
| testcase_16 | AC | 68 ms
38,680 KB |
| testcase_17 | AC | 67 ms
38,684 KB |
| testcase_18 | AC | 68 ms
38,528 KB |
| testcase_19 | AC | 70 ms
38,784 KB |
| testcase_20 | AC | 65 ms
38,784 KB |
| testcase_21 | AC | 65 ms
38,656 KB |
| testcase_22 | AC | 69 ms
38,784 KB |
| testcase_23 | AC | 66 ms
38,656 KB |
| testcase_24 | AC | 109 ms
38,784 KB |
| testcase_25 | AC | 67 ms
38,784 KB |
| testcase_26 | AC | 67 ms
38,656 KB |
| testcase_27 | AC | 64 ms
38,528 KB |
| testcase_28 | WA | - |
| testcase_29 | AC | 65 ms
38,784 KB |
| testcase_30 | AC | 65 ms
38,656 KB |
| testcase_31 | AC | 67 ms
38,656 KB |
| testcase_32 | AC | 64 ms
38,656 KB |
| testcase_33 | AC | 69 ms
38,680 KB |
| testcase_34 | AC | 71 ms
38,680 KB |
| testcase_35 | AC | 67 ms
38,656 KB |
| testcase_36 | AC | 71 ms
38,656 KB |
| testcase_37 | AC | 67 ms
38,656 KB |
| testcase_38 | AC | 68 ms
38,784 KB |
| testcase_39 | AC | 66 ms
38,656 KB |
| testcase_40 | AC | 66 ms
38,656 KB |
ソースコード
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define inf 1000000007
#define MP make_pair
#define MT make_tuple
#define PB push_back
#define fi first
#define se second
#define rep(i,n) for(int i = 0; i < (int)(n); ++i)
#define rrep(i,n) for(int i = (int)n-1; i >= 0; --i)
#define srep(i,a,b) for(int i = (int)a; i < (int)(b); ++i)
#define all(x) (x).begin(),(x).end()
#define SUM(v) accumulate(all(v), 0LL)
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end())
#define SZ(c) (int)(c).size()
template<typename T>
ostream& operator << (ostream& os, vector<T>& vec) {
os << "{";
for (int i = 0; i<(int)vec.size(); i++) {
os << vec[i] << (i + 1 == (int)vec.size() ? "" : ", ");
}
os << "}";
return os;
}
// pair出力
template<typename T, typename U>
ostream& operator << (ostream& os, pair<T, U> pair_var) {
os << "(" << pair_var.first << ", " << pair_var.second << ")";
return os;
}
// map出力
template<typename T, typename U>
ostream& operator << (ostream& os, map<T, U>& map_var) {
os << "{";
for(auto itr = map_var.begin(); itr != map_var.end(); itr++){
os << "(" << itr->first << ", " << itr->second << ")";
itr++;
if(itr != map_var.end()) os << ", ";
itr--;
}
os << "}";
return os;
}
// set 出力
template<typename T>
ostream& operator << (ostream& os, set<T>& set_var) {
os << "{";
for(auto itr = set_var.begin(); itr != set_var.end(); itr++){
os << (*itr);
++itr;
if(itr != set_var.end()) os << ", ";
itr--;
}
os << "}";
return os;
}
#define overload2(_1, _2, name, ...) name
#define vec(type, name, ...) vector<type> name(__VA_ARGS__)
#define VEC(type, name, size) \
vector<type> name(size); \
IN(name)
#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 vvv(type, name, h, w, ...) vector<vector<vector<type>>> name(h, vector<vector<type>>(w, vector<type>(__VA_ARGS__)))
#define vvvv(type, name, a, b, c, ...) \
vector<vector<vector<vector<type>>>> name(a, vector<vector<vector<type>>>(b, vector<vector<type>>(c, vector<type>(__VA_ARGS__))))
#define INT(...) \
int __VA_ARGS__; \
IN(__VA_ARGS__)
#define LL(...) \
ll __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__)
int scan() { return getchar(); }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(double &a) { cin >> a; }
void scan(string &a) { cin >> a; }
template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); }
template <class T> void scan(vector<T> &);
template <class T> void scan(vector<T> &a) {
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...);
}
const string YESNO[2] = {"NO", "YES"};
const string YesNo[2] = {"No", "Yes"};
const string yesno[2] = {"no", "yes"};
void YES(bool t = 1) { cout << YESNO[t] << endl; }
void NO(bool t = 1) { YES(!t); }
void Yes(bool t = 1) { cout << YesNo[t] << endl; }
void No(bool t = 1) { Yes(!t); }
void yes(bool t = 1) { cout << yesno[t] << endl; }
void no(bool t = 1) { yes(!t); }
#ifdef LOCAL
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << " " << H;
debug_out(T...);
}
#define dbg(...) \
cerr << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl
#else
#define dbg(...) (void(0))
#define dump(x) (void(0))
#endif
template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val){
std::fill( (T*)array, (T*)(array+N), val );
}
template <class T> T ceil(T x, T y) {assert(y >= 1);return (x > 0 ? (x + y - 1) / y : x / y);}
template <class T> T floor(T x, T y) {assert(y >= 1);return (x > 0 ? x / y : (x + y - 1) / y);}
vector<int> iota(int n) {vector<int> a(n);iota(all(a), 0);return a;}
template <class T> T POW(T x, int n) {T res = 1;for(; n; n >>= 1, x *= x){if(n & 1) res *= x;}return res;}
ll pow2(int i) { return 1LL << i; }
int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); }
int topbit(ll t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); }
int lowbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); }
int lowbit(ll a) { return a == 0 ? 64 : __builtin_ctzll(a); }
// int allbit(int n) { return (1 << n) - 1; }
ll allbit(ll n) { return (1LL << n) - 1; }
int popcount(signed t) { return __builtin_popcount(t); }
int popcount(ll t) { return __builtin_popcountll(t); }
bool ispow2(int i) { return i && (i & -i) == i; }
template <class S> void fold_in(vector<S> &v) {}
template <typename Head, typename... Tail, class S> void fold_in(vector<S> &v, Head &&a, Tail &&...tail) {
for(auto e : a) v.emplace_back(e);
fold_in(v, tail...);
}
template <class S> void renumber(vector<S> &v) {}
template <typename Head, typename... Tail, class S> void renumber(vector<S> &v, Head &&a, Tail &&...tail) {
for(auto &&e : a) e = lb(v, e);
renumber(v, tail...);
}
template <class S, class... Args> void zip(vector<S> &head, Args &&...args) {
vector<S> v;
fold_in(v, head, args...);
sort(all(v)), v.erase(unique(all(v)), v.end());
renumber(v, head, args...);
}
template<class T> inline bool chmax(T &a, T b){
if(a<b){
a = b;
return true;
}
return false;
}
template<class T> inline bool chmin(T &a, T b){
if(a>b){
a = b;
return true;
}
return false;
}
template <unsigned int mod>
class ModInt {
private:
unsigned int v;
static unsigned int norm(const unsigned int& x){ return x < mod ? x : x - mod; }
static ModInt make(const unsigned int& x){ ModInt m; return m.v = x, m; }
static ModInt inv(const ModInt& x){ return make(inverse(x.v, mod)); }
static unsigned int inverse(int a, int m){
int u[] = {a, 1, 0}, v[] = {m, 0, 1}, t;
while(*v){
t = *u / *v;
swap(u[0] -= t * v[0], v[0]), swap(u[1] -= t * v[1], v[1]), swap(u[2] -= t * v[2], v[2]);
}
return (u[1] % m + m) % m;
}
public:
ModInt() : v{0}{}
ModInt(const long long val) : v{norm(val % mod + mod)} {}
ModInt(const ModInt<mod>& n) : v{n()} {}
explicit operator bool() const noexcept { return v != 0; }
bool operator!() const noexcept { return !static_cast<bool>(*this); }
ModInt& operator=(const ModInt& n){ return v = n(), (*this); }
ModInt& operator=(const long long val){ return v = norm(val % mod + mod), (*this); }
ModInt operator+() const { return *this; }
ModInt operator-() const { return v == 0 ? make(0) : make(mod - v); }
ModInt operator+(const ModInt& val) const { return make(norm(v + val())); }
ModInt operator-(const ModInt& val) const { return make(norm(v + mod - val())); }
ModInt operator*(const ModInt& val) const { return make((long long)v * val() % mod); }
ModInt operator/(const ModInt& val) const { return *this * inv(val); }
ModInt& operator+=(const ModInt& val){ return *this = *this + val; }
ModInt& operator-=(const ModInt& val){ return *this = *this - val; }
ModInt& operator*=(const ModInt& val){ return *this = *this * val; }
ModInt& operator/=(const ModInt& val){ return *this = *this / val; }
ModInt operator+(const long long val) const { return ModInt{v + val}; }
ModInt operator-(const long long val) const { return ModInt{v - val}; }
ModInt operator*(const long long val) const { return ModInt{(long long)v * (val % mod)}; }
ModInt operator/(const long long val) const { return ModInt{(long long)v * inv(val)}; }
ModInt& operator+=(const long long val){ return *this = *this + val; }
ModInt& operator-=(const long long val){ return *this = *this - val; }
ModInt& operator*=(const long long val){ return *this = *this * val; }
ModInt& operator/=(const long long val){ return *this = *this / val; }
bool operator==(const ModInt& val) const { return v == val.v; }
bool operator!=(const ModInt& val) const { return !(*this == val); }
bool operator==(const long long val) const { return v == norm(val % mod + mod); }
bool operator!=(const long long val) const { return !(*this == val); }
unsigned int operator()() const { return v; }
friend ModInt operator+(const long long val, const ModInt& n) { return n + val; }
friend ModInt operator-(const long long val, const ModInt& n) { return ModInt{val - n()}; }
friend ModInt operator*(const long long val, const ModInt& n) { return n * val; }
friend ModInt operator/(const long long val, const ModInt& n) { return ModInt{val} / n; }
friend bool operator==(const long long val, const ModInt& n) { return n == val; }
friend bool operator!=(const long long val, const ModInt& n) { return !(val == n); }
friend istream& operator>>(istream& is, ModInt& n){
unsigned int v;
return is >> v, n = v, is;
}
friend ostream& operator<<(ostream& os, const ModInt& n){ return (os << n()); }
friend ModInt mod_pow(ModInt x, long long n){
ModInt ans = 1;
while(n){
if(n & 1) ans *= x;
x *= x, n >>= 1;
}
return ans;
}
};
#define MOD 1000000007
using mod = ModInt<MOD>;
#define MAX_N 3000000
mod inv[MAX_N],fac[MAX_N],finv[MAX_N];
void make()
{
fac[0] = fac[1] = 1;
finv[0] = finv[1] = 1;
inv[1] = 1;
for(int i=2;i<MAX_N;i++){
inv[i] = MOD - inv[MOD % i] * (MOD / i);
fac[i] = fac[i-1] * i;
finv[i] = finv[i-1] * inv[i];
}
}
mod comb(int a, int b)
{
if(a!=b&&b<0)return 0;
if(a==0)return 1;
if(a==b)return 1;
if(b<0)return 0;
if(a<b) return 0;
return fac[a] * finv[b] * finv[a-b];
}
int main(){
make();
INT(a,b,x,y);
int t[4]={};
b++;
rep(i,4){
t[i] = b/4;
if(i < b%4)t[i]++;
}
if(x<0){
x = -x;
swap(t[0],t[2]);
}
if(y<0){
y = -y;
swap(t[1],t[3]);
}
mod res = 0;
for(int k = x;k<=a;k++){
if(a-k < y)continue;
if(k%2!=x%2)continue;
if((a-k)%2!=y%2)continue;
int X = k;
int Y = a-k;
mod tmp = 1;
if(t[0]!=0&&t[2]!=0){
tmp *= comb((X+x)/2+t[0]-1,t[0]-1)*comb((X-x)/2+t[2]-1,t[2]-1);
}else if(t[0]==0){
if(x!=0)tmp = 0;
}else if(t[2]==0){
if(x!=X)tmp = 0;
}
if(t[1]!=0&&t[3]!=0){
tmp *= comb((Y+y)/2+t[1]-1,t[1]-1)*comb((Y-y)/2+t[3]-1,t[3]-1);
}else if(t[1]==0){
if(y!=0)tmp = 0;
}else if(t[3]==0){
if(y!=Y)tmp = 0;
}
res += tmp;
dbg(X,Y,x,y,t[0],t[1],t[2],t[3],res);
}
cout << res << endl;
return 0;
}