結果
問題 | No.843 Triple Primes |
ユーザー | NyaanNyaan |
提出日時 | 2019-07-02 23:41:19 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 8 ms / 2,000 ms |
コード長 | 5,745 bytes |
コンパイル時間 | 1,423 ms |
コンパイル使用メモリ | 113,488 KB |
実行使用メモリ | 7,188 KB |
最終ジャッジ日時 | 2024-09-19 14:16:09 |
合計ジャッジ時間 | 2,950 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 4 ms
7,136 KB |
testcase_01 | AC | 8 ms
7,128 KB |
testcase_02 | AC | 4 ms
7,168 KB |
testcase_03 | AC | 4 ms
7,084 KB |
testcase_04 | AC | 4 ms
7,168 KB |
testcase_05 | AC | 4 ms
7,168 KB |
testcase_06 | AC | 4 ms
7,040 KB |
testcase_07 | AC | 7 ms
7,188 KB |
testcase_08 | AC | 7 ms
7,104 KB |
testcase_09 | AC | 7 ms
7,168 KB |
testcase_10 | AC | 7 ms
7,184 KB |
testcase_11 | AC | 8 ms
7,012 KB |
testcase_12 | AC | 8 ms
7,132 KB |
testcase_13 | AC | 8 ms
7,136 KB |
testcase_14 | AC | 7 ms
7,168 KB |
testcase_15 | AC | 7 ms
7,120 KB |
testcase_16 | AC | 7 ms
7,132 KB |
testcase_17 | AC | 4 ms
7,120 KB |
testcase_18 | AC | 4 ms
7,040 KB |
testcase_19 | AC | 3 ms
6,948 KB |
testcase_20 | AC | 4 ms
7,040 KB |
testcase_21 | AC | 3 ms
7,168 KB |
testcase_22 | AC | 6 ms
7,040 KB |
testcase_23 | AC | 6 ms
7,124 KB |
testcase_24 | AC | 5 ms
7,168 KB |
testcase_25 | AC | 5 ms
7,168 KB |
testcase_26 | AC | 8 ms
7,184 KB |
testcase_27 | AC | 3 ms
7,168 KB |
testcase_28 | AC | 8 ms
6,984 KB |
testcase_29 | AC | 5 ms
7,084 KB |
testcase_30 | AC | 8 ms
7,172 KB |
testcase_31 | AC | 3 ms
7,140 KB |
testcase_32 | AC | 4 ms
7,016 KB |
testcase_33 | AC | 5 ms
7,080 KB |
testcase_34 | AC | 5 ms
7,016 KB |
testcase_35 | AC | 8 ms
7,168 KB |
testcase_36 | AC | 4 ms
7,164 KB |
testcase_37 | AC | 7 ms
7,152 KB |
testcase_38 | AC | 7 ms
7,112 KB |
testcase_39 | AC | 7 ms
7,168 KB |
testcase_40 | AC | 4 ms
7,128 KB |
testcase_41 | AC | 3 ms
7,168 KB |
testcase_42 | AC | 7 ms
6,952 KB |
testcase_43 | AC | 8 ms
7,168 KB |
ソースコード
#pragma GCC optimize("O2") #include <algorithm> #include <cassert> #include <cmath> #include <cstdarg> #include <cstdio> #include <cstring> #include <deque> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <utility> #include <vector> #define whlie while #define retunr return #define reutrn return #define reutnr return #define mp make_pair #define pb push_back #define eb emplace_back #define fi first #define se second #define inf 1001001001 #define infLL (1LL << 61) #define MOD 1000000007 #define FOR(i,a,b) for(int (i)=(int)(a); (i)<(int)(b); (i)++) // [a,b) #define rep(i,N) FOR((i), 0, (int)(N)) // [0,N) #define FORR(i,a,b) for(int (i)=(int)(b) - 1; (i)>=(int)(a); (i)--) #define repr(i,N) FORR((i), 0, (int)(N)) #define all(v) (v).begin(),(v).end() #define sz(v) ((int)(v).size()) #define vrep(v,it) for(auto it=v.begin();it!=v.end();it++) #define vrepr(v,it) for(auto it=v.rbegin();it!=v.rend();it++) #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) ll __VA_ARGS__; in(__VA_ARGS__) #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define ind(...) double __VA_ARGS__; in(__VA_ARGS__) #define inpii(...) pii __VA_ARGS__; in(__VA_ARGS__) #define rand mtrand #define randinit random_device seed_gen; mt19937 mtrand(seed_gen()+2) #ifdef LOCAL #define trc(...) do { cout << #__VA_ARGS__ << " = "; dbg_out(__VA_ARGS__);} while(0) #define stopif(val) assert( !(val) ) #define trcv(v,...) do { cout << #v << " = "; vector_debug(v , ##__VA_ARGS__);cout << endl;} while(0) #else #define trc(...) #define stopif(...) #define trcv(...) #endif using namespace std; using ll = long long; using pii = pair<int,int>; using pll = pair<ll,ll>; using vi = vector<int>; using vl = vector<ll>; using vs = vector<string>; using vpii = vector<pii>; using vii = vector< vector<int> >; struct IoSetupNya {IoSetupNya() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cerr << fixed << setprecision(15);} } iosetupnya; int gcd(int a, int b){if(a>b) swap(a,b); return a==0 ? b : gcd(b%a,a);} ll gcd(ll a, ll b){if(a>b) swap(a,b); return a==0 ? b : gcd(b%a,a);} ll lcm(int a, int b){return (1LL * a / gcd(a,b)) * b;} ll lcm(ll a, ll b){return (a / gcd(a,b)) * b;} inline ll pow(int a, int b){ll ans = 1; rep(i,b) ans *= a; return ans;} inline ll pow(ll a, ll b){ll ans = 1; rep(i,b) ans*= a; return ans;} inline ll pow(int a, ll b){ll ans = 1; rep(i,b) ans *= a; return ans;} inline ll pow(ll a, int b){ll ans = 1; rep(i,b) ans*= a; return ans;} template<typename T, typename U> inline bool amin(T &x, U y) { return (y < x) ? (x = y, true) : false; } template<typename T, typename U> inline bool amax(T &x, U y) { return (x < y) ? (x = y, true) : false; } template<typename C> inline void _cin(C &c){cin >> c;} template<typename T,typename U> inline void _cin(pair<T,U> &p){cin >> p.fi; cin >> p.se;} template<typename C> inline void _cout(const C &c){cout << c;} template<typename T,typename U> inline void _cout(const pair<T,U> &p){cout << p.fi << ' ' << p.se;} void in(){} template <typename T,class... U> void in(T &t,U &...u){ _cin(t); in(u...);} void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,U ...u){ _cout(t); if(sizeof...(u)) cout << ' '; out(u...);} template<typename C> inline void in(vector<C> &v,int N=-1){if(sz(v) != 0){int M=(N == -1) ? sz(v) : N; rep(i,M) _cin(v[i]);}else{C c;rep(i,N) v.pb((_cin(c),c));}} template<typename C> inline void in(C v[],int N){rep(i,N) _cin(v[i]);} template<typename C> inline void out(const vector<C> &v,int N=-1){int M=(N == -1) ? sz(v) : N; rep(i,M) {cout<<( (i)?" ":"" ); _cout(v[i]);} cout<<"\n";} template<typename C> inline void out(C v[],int N){rep(i,N) {cout<<( (i)?" ":"" ); _cout(v[i]);} cout<<"\n";} template<typename C> inline void vector_debug(const vector<C> &v,int N=-1){cout << "{"; int M=(N == -1) ? sz(v) : N; rep(i,M) {cout<<( (i)?", ":"" ); _cout(v[i]);} cout<<"}";} template<typename C> inline void vector_debug(C v[], int N){cout << "{"; rep(i,N) {cout<<((i)?", ":""); _cout(*(v+i));} cout<<"}";} void dbg_out(){cout << endl;} template <typename T,class... U> void dbg_out(const T &t,U ...u){ _cout(t); if(sizeof...(u)) cout << ", "; dbg_out(u...);} template<typename C,class... U> void dbg_out(const vector<C> &v,U ...u){vector_debug(v); if(sizeof...(u)) cout << ", "; dbg_out(u...);} template<typename C,class... U> void dbg_out(const vector<vector<C>> &v,U ...u){cout << "{ "; rep(i,sz(v)) {if(i)cout<<", "; vector_debug(v[i]);} cout << " }"; if(sizeof...(u)) cout << ", "; dbg_out(u...);} template<typename C> inline C vmax(const vector<C> &v){C n=v[0]; rep(i,sz(v)) amax(n,v[i]); return n;} template<typename C> inline C vmax(C v[], int N){C n=v[0]; rep( i , N ) amax(n,v[i]); return n;} template<typename C> inline C vmin(const vector<C> &v){C n=v[0]; rep(i,sz(v)) amin(n,v[i]); return n;} template<typename C> inline C vmin(C v[], int N){C n=v[0]; rep( i , N ) amin(n,v[i]); return n;} //////////// /// main /// //////////// // 1からNまでの素数を判定するライブラリ // A[i] == 1 <-> iは素数 vi A(1000100); void prime(vi& A,int N){ rep(i,N + 1) A[i] = 1; A[0] = 0; A[1] = 0; for(int i=2 ; i*i <= N ; i++){ if(A[i]){ for(int j=2; i*j <= N; j++){ A[i*j] = 0; } } } } int main(){ ini(N); prime(A,N * 2); int ans = 0; int cur; for(int r = 1;r * r <= N + 2; r += (r<=2?1:2) ){ if(A[r] == 0) continue; if(A[r*r-2]) { if(r * r == 4) ans++; else ans+=2; } } out(ans); }