結果
問題 | No.371 ぼく悪いプライムじゃないよ |
ユーザー | satanic |
提出日時 | 2016-05-14 01:27:22 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 58,369 bytes |
コンパイル時間 | 1,637 ms |
コンパイル使用メモリ | 169,872 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-05 21:11:10 |
合計ジャッジ時間 | 2,961 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 1 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 1 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 1 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 3 ms
5,248 KB |
testcase_24 | AC | 20 ms
5,248 KB |
testcase_25 | WA | - |
testcase_26 | AC | 1 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 22 ms
5,248 KB |
testcase_29 | AC | 179 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 1 ms
5,248 KB |
testcase_32 | AC | 1 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 2 ms
5,248 KB |
testcase_35 | AC | 1 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 1 ms
5,248 KB |
testcase_38 | AC | 2 ms
5,248 KB |
testcase_39 | AC | 2 ms
5,248 KB |
testcase_40 | AC | 2 ms
5,248 KB |
testcase_41 | AC | 1 ms
5,248 KB |
testcase_42 | AC | 2 ms
5,248 KB |
testcase_43 | AC | 96 ms
5,248 KB |
testcase_44 | AC | 13 ms
5,248 KB |
testcase_45 | AC | 2 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> #define INIT std::ios::sync_with_stdio(false);std::cin.tie(0); #define VAR(type, a) type a;std::cin>>a; // VAR(int, x); #define OUT(d) std::cout<<(d); #define SP std::cout<<" "; #define ENDL std::cout<<"\n"; #define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i; #define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i; #define ALL(a) (a).begin(),(a).end() #define FOR(i,a,b) for (int i=(a);i<(b);++i) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);--i) #define REP(i,n) for (int i=0;i<(n);i++) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) using ll = long long; #define int ll ll cnt = 0; const std::array<int, 9617> prime = 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ll PrimeFactMin(ll n, ll p){ double sqrtn = std::sqrt(n); for(int i=std::distance(prime.begin(), std::lower_bound(ALL(prime), p)); prime[i]<=sqrtn; ++i){ ++cnt; if(n%prime[i] == 0){ for(int j=0; j<std::distance(prime.begin(), std::lower_bound(ALL(prime), p)); ++j){ ++cnt; if(n%prime[j]==0){ return prime[j]; } } return prime[i]; } } return n; } signed main(){ INIT; VAR(ll, l);VAR(ll, h); int sqrtL = std::sqrt(l); int sqrtH = std::sqrt(h); ll ans = -1; int primeMin = 0; if(std::upper_bound(ALL(prime), sqrtH)-std::upper_bound(ALL(prime), sqrtL)!=0){ ll t = prime[std::distance(prime.begin(), std::upper_bound(ALL(prime), sqrtH))-1]; for(int i=std::distance(prime.begin(), std::lower_bound(ALL(prime), t)); t*prime[i]<=h; ++i){ ans = t*prime[i]; } }else{ ll a = std::distance(prime.begin(), std::upper_bound(ALL(prime), sqrtL))-1; ll b = std::distance(prime.begin(), std::upper_bound(ALL(prime), sqrtH)); FOR(i, l, h+1){ ll t = PrimeFactMin(i, primeMin); if(i!=t && primeMin<=t){ primeMin = t; ans = i; } } } //OUT(cnt)ENDL; OUT(ans)ENDL; return 0; }