結果
問題 | No.407 鴨等素数間隔列の数え上げ |
ユーザー | kei |
提出日時 | 2018-12-02 18:34:11 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 317 ms / 1,000 ms |
コード長 | 1,968 bytes |
コンパイル時間 | 1,606 ms |
コンパイル使用メモリ | 170,724 KB |
実行使用メモリ | 46,588 KB |
最終ジャッジ日時 | 2024-07-01 05:26:04 |
合計ジャッジ時間 | 14,257 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 297 ms
46,452 KB |
testcase_01 | AC | 300 ms
46,584 KB |
testcase_02 | AC | 300 ms
46,584 KB |
testcase_03 | AC | 287 ms
46,456 KB |
testcase_04 | AC | 293 ms
46,324 KB |
testcase_05 | AC | 291 ms
46,452 KB |
testcase_06 | AC | 304 ms
46,444 KB |
testcase_07 | AC | 298 ms
46,452 KB |
testcase_08 | AC | 304 ms
46,456 KB |
testcase_09 | AC | 293 ms
46,452 KB |
testcase_10 | AC | 301 ms
46,460 KB |
testcase_11 | AC | 293 ms
46,580 KB |
testcase_12 | AC | 303 ms
46,584 KB |
testcase_13 | AC | 299 ms
46,460 KB |
testcase_14 | AC | 296 ms
46,588 KB |
testcase_15 | AC | 311 ms
46,324 KB |
testcase_16 | AC | 317 ms
46,588 KB |
testcase_17 | AC | 299 ms
46,456 KB |
testcase_18 | AC | 296 ms
46,332 KB |
testcase_19 | AC | 300 ms
46,328 KB |
testcase_20 | AC | 302 ms
46,456 KB |
testcase_21 | AC | 300 ms
46,456 KB |
testcase_22 | AC | 310 ms
46,588 KB |
testcase_23 | AC | 305 ms
46,324 KB |
testcase_24 | AC | 304 ms
46,452 KB |
testcase_25 | AC | 299 ms
46,360 KB |
testcase_26 | AC | 307 ms
46,456 KB |
testcase_27 | AC | 307 ms
46,456 KB |
testcase_28 | AC | 310 ms
46,524 KB |
testcase_29 | AC | 298 ms
46,456 KB |
testcase_30 | AC | 297 ms
46,456 KB |
testcase_31 | AC | 292 ms
46,456 KB |
testcase_32 | AC | 292 ms
46,328 KB |
testcase_33 | AC | 287 ms
46,460 KB |
testcase_34 | AC | 296 ms
46,456 KB |
testcase_35 | AC | 285 ms
46,456 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll LINF = 1e18; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* <url:https://yukicoder.me/problems/no/407> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ const ll MAX_PRIME = 10000000; vector<int> primes; vector<int> is_prime(MAX_PRIME + 1,true); void init_primes(){ is_prime[0] = is_prime[1] = false; for(int i = 2; i <= MAX_PRIME;i++){ if(is_prime[i]){ primes.push_back(i); for(int j = i*2; j <= MAX_PRIME; j+=i) is_prime[j] = false; } } } ll solve(){ init_primes(); ll res = 0; ll N,L; cin >> N >> L; for(auto p:primes){ res += max(L-p*(N-1)+1,0LL); } return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }