結果
| 問題 |
No.719 Coprime
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2018-07-28 00:12:37 |
| 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 | 3,709 bytes |
| コンパイル時間 | 569 ms |
| コンパイル使用メモリ | 65,576 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-05 17:12:51 |
| 合計ジャッジ時間 | 2,068 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 37 WA * 24 |
ソースコード
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T> inline void POSS(T condition){ if(condition) cout << "POSSIBLE" << endl; else cout << "IMPOSSIBLE" << endl; }
template<class T> inline void Poss(T condition){ if(condition) cout << "Possible" << endl; else cout << "Impossible" << endl; }
template<class T> inline void First(T condition){ if(condition) cout << "First" << endl; else cout << "Second" << endl; }
int character_count(string text, char character){ int ans = 0; for(int i = 0; i < text.size(); i++){ ans += (text[i] == character); } return ans; }
long power(long base, long exponent, long module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ long root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}
struct position{ int y, x; }; position move_pattern[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); }
template<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + "," + to_string(x.second); }
template<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++){ ans += to_string(*i) + " "; } ans.pop_back(); cout << ans << endl; }
template<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; }
#define mod long(1e9 + 7)
#define all(x) (x).begin(), (x).end()
#define bitcount(n) __builtin_popcountl(long(n))
#define fcout cout << fixed << setprecision(10)
#define highest(x) (63 - __builtin_clzl(x))
vector< bool > get_prime(int n){
vector< bool > prime( n + 1, true);
if(n >= 0) prime[0] = false;
if(n >= 1) prime[1] = false;
for(int i = 2; i * i <= n; i++){
if(prime[i]){
for(int j = i + i; j <= n; j += i) prime[j] = false;
}
}
return(prime);
}
int maximum_on_power_of(int base, int upper){
int ans = 1;
while(ans * base <= upper){
ans *= base;
}
return ans;
}
int maximum_on_power_of(int base1, int base2, int upper){
int ans = 0, now = 1;
while(now <= upper){
ans = max(ans, now * maximum_on_power_of(base2, upper / now));
now *= base1;
}
return ans;
}
int main(){
int N;
cin >> N;
vector<bool> prime_array = get_prime(N);
vector<int> primes;
for(int i = 2; i <= N; i++){
if(prime_array[i]){
primes.push_back(i);
}
}
int ans = 0;
int ans_array[primes.size()];
for(int i = 0; i < primes.size(); i++){
ans_array[i] = maximum_on_power_of(primes[i], N);
}
for(int i = 0; i < primes.size(); i++){
for(int j = 0; j <= i; j++){
int a = j, b = i - j;
if(a == b){
continue;
}
if(!ans_array[a] || !ans_array[b]){
continue;
}
if(ans_array[a] + ans_array[b] < maximum_on_power_of(primes[a], primes[b], N)){
ans += maximum_on_power_of(primes[a], primes[b], N);
ans_array[a] = 0;
ans_array[b] = 0;
}
}
}
for(int i = 0; i < primes.size(); i++){
ans += ans_array[i];
}
cout << ans << endl;
}