제출 #1108360

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1108360		vjudge1	Art Exhibition (JOI18_art)	C++17	10 / 100	1047 ms	4576 KiB

art

#include<bits/stdc++.h>
#define int long long
using namespace std;

const int N = 1e6 + 5;

int n, a[N], b[N];

int res = 0, c[N];

void check(){
    int amin = 1e18;
    int amax = 0;
    int sum = 0;
    int cnt = 0;
    for(int i = 1; i <= n; i++){
        if(c[i] == 1){
            amin = min(a[i], amin);
            amax = max(a[i], amax);
            sum += b[i];
            cnt++;
        }        
    }
    if(cnt != 0) res = max(res, sum - (amax - amin));
}
void sinh_np(int i){
    for(int j = 0; j <= 1; j++){
        c[i] = j;
        if(i == n) check();
        else sinh_np(i + 1);
    }
}
int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    #define Task "Flower"
    if(fopen(Task".inp","r")){
        freopen(Task".inp","r",stdin);
        freopen(Task".out","w",stdout);
    }
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i] >> b[i];
    }
    sinh_np(1);
    cout << res;



}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int32_t main()':
art.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen(Task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
art.cpp:39:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |         freopen(Task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50