Submission #985874

#	Time	Username	Problem	Language	Result	Execution time	Memory
985874		teokakabadze	Art Exhibition (JOI18_art)	C++17	100 / 100	144 ms	25048 KiB

art

#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define int long long
#define N 500005
#define pii pair<int, int>
using namespace std;
 
int n, i, j, mx, ans, dp[N];
pii a[N];
 
main()
{
    std::ios::sync_with_stdio(0);
    cin.tie(0);
 
    cin >> n;
    for(i = 0; i < n; i++)
    cin >> a[i].f >> a[i].s;
    sort(a, a + n);
    for(i = 0; i < n; i++)
    {
        dp[i] = max(a[i].s, mx + a[i].s - a[i].f);
        mx = dp[i] + a[i].f;
        ans = max(ans, dp[i]);
    }
    cout << ans << '\n';
}

Compilation message (stderr)

art.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main()
      | ^~~~

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