結果
問題 | No.1019 最小格子三角形 |
ユーザー | snuke |
提出日時 | 2020-04-04 01:12:38 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 137 ms / 2,000 ms |
コード長 | 4,303 bytes |
コンパイル時間 | 2,262 ms |
コンパイル使用メモリ | 209,236 KB |
実行使用メモリ | 11,508 KB |
最終ジャッジ日時 | 2024-07-03 06:41:45 |
合計ジャッジ時間 | 5,133 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | 33 ms
11,400 KB |
testcase_01 | AC | 32 ms
11,420 KB |
testcase_02 | AC | 33 ms
11,456 KB |
testcase_03 | AC | 32 ms
11,456 KB |
testcase_04 | AC | 32 ms
11,408 KB |
testcase_05 | AC | 32 ms
11,408 KB |
testcase_06 | AC | 33 ms
11,412 KB |
testcase_07 | AC | 32 ms
11,404 KB |
testcase_08 | AC | 32 ms
11,412 KB |
testcase_09 | AC | 33 ms
11,400 KB |
testcase_10 | AC | 32 ms
11,396 KB |
testcase_11 | AC | 34 ms
11,408 KB |
testcase_12 | AC | 31 ms
11,412 KB |
testcase_13 | AC | 111 ms
11,404 KB |
testcase_14 | AC | 134 ms
11,408 KB |
testcase_15 | AC | 130 ms
11,408 KB |
testcase_16 | AC | 111 ms
11,396 KB |
testcase_17 | AC | 122 ms
11,408 KB |
testcase_18 | AC | 110 ms
11,408 KB |
testcase_19 | AC | 123 ms
11,408 KB |
testcase_20 | AC | 109 ms
11,480 KB |
testcase_21 | AC | 115 ms
11,412 KB |
testcase_22 | AC | 132 ms
11,408 KB |
testcase_23 | AC | 137 ms
11,412 KB |
testcase_24 | AC | 137 ms
11,408 KB |
testcase_25 | AC | 133 ms
11,508 KB |
testcase_26 | AC | 132 ms
11,412 KB |
ソースコード
#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define maxs(x,y) (x = max(x,y)) #define mins(x,y) (x = min(x,y)) #define limit(x,l,r) max(l,min(x,r)) #define lims(x,l,r) (x = max(l,min(x,r))) #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cout<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; inline int getInt() { int x; scanf("%d",&x); return x;} template<typename T>inline istream& operator>>(istream&i,v(T)&v) {rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const v(T)&v) {stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);} template<typename T>inline ostream& operator<<(ostream&o,const v(T)&v) {if(sz(v))o<<join(v);return o;} template<typename T1,typename T2>inline istream& operator>>(istream&i,pair<T1,T2>&v) {return i>>v.fi>>v.se;} template<typename T1,typename T2>inline ostream& operator<<(ostream&o,const pair<T1,T2>&v) {return o<<v.fi<<","<<v.se;} template<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("Yes");}else{puts("No");} const int MX = 1000005; // linear sieve vi ps, pf; void sieve(int mx) { pf = vi(mx+1); rep(i,mx+1) pf[i] = i; for (int i = 2; i <= mx; ++i) { if (pf[i] == i) ps.pb(i); for (int j = 0; j < sz(ps) && ps[j] <= pf[i]; ++j) { int x = ps[j]*i; if (x > mx) break; pf[x] = ps[j]; } } } inline bool isp(int x) { return pf[x] == x && x >= 2;} vp factor(int x) { // asc if (x == 1) return {}; vp res(1, P(pf[x], 0)); while (x != 1) { if (res.back().fi == pf[x]) res.back().se++; else res.pb(P(pf[x],1)); x /= pf[x]; } return res; } // vi meb; void mebinit(int n) { sieve(n+1); meb = vi(n+1,1); meb[0] = 0; for (int p : ps) { for (int i = p; i <= n; i += p) meb[i] = -meb[i]; ll p2 = (ll)p*p; for (ll i = p2; i <= n; i += p2) meb[i] = 0; } } // Mod int const int mod = 998244353; struct mint { ll x; mint():x(0){} mint(ll x):x((x%mod+mod)%mod){} // mint(ll x):x(x){} mint& fix() { x = (x%mod+mod)%mod; return *this;} mint operator-() const { return mint(0) - *this;} mint& operator+=(const mint& a){ if((x+=a.x)>=mod) x-=mod; return *this;} mint& operator-=(const mint& a){ if((x+=mod-a.x)>=mod) x-=mod; return *this;} mint& operator*=(const mint& a){ (x*=a.x)%=mod; return *this;} mint operator+(const mint& a)const{ return mint(*this) += a;} mint operator-(const mint& a)const{ return mint(*this) -= a;} mint operator*(const mint& a)const{ return mint(*this) *= a;} bool operator<(const mint& a)const{ return x < a.x;} bool operator==(const mint& a)const{ return x == a.x;} }; istream& operator>>(istream&i,mint&a){i>>a.x;return i;} ostream& operator<<(ostream&o,const mint&a){o<<a.x;return o;} typedef vector<mint> vm; // mint f(ll n) { if (n == 0) return 0; mint res; ll j = 1; for (; j*j <= n; ++j); for (ll i = 1; i*i <= n; ++i) { while (i*i + j*j > n) --j; mint now = i*j; now += j*(j+1)/2; res += now*4*6; } return res; } int main() { ll n; cin>>n; mebinit(MX); mint ans = 0; rrep(i,MX) { if (meb[i] == 0) continue; mint now = f(n/i/i); now *= i; ans += now*meb[i]; } ans += 8; cout<<ans<<endl; return 0; }