結果
| 問題 |
No.458 異なる素数の和
|
| ユーザー |
|
| 提出日時 | 2017-10-24 06:24:05 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,729 bytes |
| コンパイル時間 | 670 ms |
| コンパイル使用メモリ | 87,628 KB |
| 実行使用メモリ | 6,824 KB |
| 最終ジャッジ日時 | 2024-11-21 17:13:31 |
| 合計ジャッジ時間 | 2,848 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | WA * 3 |
| other | WA * 28 |
ソースコード
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <sstream>
#include <climits>
#include <cmath>
#include <string>
#include <vector>
#include <algorithm>
#include <queue>
#include <map>
#include <functional>
#include <set>
#include <numeric>
#include <stack>
#include <utility>
#include <time.h>
#include <iterator>
#include <bitset>
//#include "util.h"
using namespace std;
typedef unsigned uint;
typedef long long lint;
typedef unsigned long long ulint;
//呪文
template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const pair<_KTy, _Ty>& m) { cout << "{" << m.first << ", " << m.second << "}"; return ostr; }
template <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const map<_KTy, _Ty>& m) { if (m.empty()) { cout << "{ }"; return ostr; } cout << "{" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { cout << "{ }"; return ostr; } cout << "{" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; }
template <typename _Ty> ostream& operator << (ostream& ostr, const set<_Ty>& s) { if (s.empty()) { cout << "{ }"; return ostr; } cout << "{" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { cout << ", " << *itr; } cout << "}"; return ostr; }
//template <typename T> void print(T* v, int N) { if (N == 0) cout << "{ }"; cout << "{" << v[0]; for (int i = 1; i < N; i++) cout << ", " << v[i]; cout << "}"; }
#define PI 3.14159265358979323846
#define EPS 1e-8
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define all(x) (x).begin(), (x).end()
vector<int> gen_prime(int N)
{
vector<int> res;
vector<bool> p(N + 1, true);
p[0] = p[1] = false;
for (int i = 2; i * i <= N; i++)
if (p[i])
for (int j = i * i; j <= N; j += i)
p[j] = false;
res.push_back(0);
for (int i = 0; i <= N; i++)
if (p[i]) res.push_back(i);
return res;
}
int yuki0458()
{
const int MAX = 20000;
vector<int> p = gen_prime(MAX);
cout << p << endl;
vector<int> dp(MAX + 1, -1);
dp[0] = 0;
int sum = 0;
for (int i = 1; i < p.size(); i++) {
//cout << "add " << p[i] << " : ";
for (int j = 0; j <= sum; j++) {
if (dp[j] < 0) continue;
if (p[i] + j > MAX) break;
dp[p[i] + j] = max(dp[p[i] + j], dp[j] + 1);
}
//cout << dp << endl;
sum += p[i];
}
//cout << dp << endl;
int N;
cin >> N;
cout << dp[N] << endl;
return 0;
}
int main()
{
//clock_t start, end;
//start = clock();
yuki0458();
//end = clock();
//printf("%d msec.\n", end - start);
return 0;
}