oj.uz

답안 #926129

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
926129 2024-02-12T15:16:37 Z haru09 Art Exhibition (JOI18_art) C++17
0 / 100
 0 ms 344 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define task "code"

const int ar=5e5+5;
const ll mod=1e9+7;
int n;
pair<ll,int> a[ar];
ll ans=-1e18;
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    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].fi>>a[i].se;
    }
    sort(a+1,a+n+1);
    ll ma=0;
    for (int i=1;i<=n;i++)
    {
        if (i==1)
        {
            ma+=a[i].fi;
            ma+=a[i].se;
        }
        else
        {
            ma+=a[i].se;
        }
        ans=max(ans,ma-a[i].fi);
    }
    cout<<ans;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
art.cpp:20:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -