Submission #95341

#	Time	Username	Problem	Language	Result	Execution time	Memory
95341		dalgerok	Art Exhibition (JOI18_art)	C++14	100 / 100	211 ms	21132 KiB

art

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




main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int n;
    cin >> n;
    vector < pair < int, int > > q;
    for(int i = 1; i <= n; i++){
        int x, y;
        cin >> x >> y;
        q.push_back(make_pair(x, y));
    }
    sort(q.begin(), q.end());
    int ans = 0, sum = 0, mx = 0;
    for(int i = 0; i < n; i++){
        mx = max(mx, q[i].first - sum);
        sum += q[i].second;
        ans = max(ans, sum - q[i].first + mx);
    }
    cout << ans;
}

Compilation message (stderr)

art.cpp:8:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

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