Submission #1228893

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228893		nguthianmangcay	Art Exhibition (JOI18_art)	C++20	100 / 100	108 ms	8264 KiB

art

#include<bits/stdc++.h>
using namespace std;
const int N=5e5+3;
const long long inf=LLONG_MIN;
#define ll long long
#define fi first
#define se second
#define pi pair
pair<ll,ll>a[N];
int32_t main(){
    cin.tie(0)->sync_with_stdio(0);
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i].fi>>a[i].se;
    }
    sort(a+1,a+1+n);
    ll ma=-inf;
    ll sum=0;
    ll best=-inf;
    for(int i=1;i<=n;i++){
       best=max(best,a[i].fi-sum);
       sum+=a[i].se;
       ma=max(ma,sum-a[i].fi+best);
    }
    cout<<ma;
}

Compilation message (stderr)

art.cpp: In function 'int32_t main()':
art.cpp:18:11: warning: integer overflow in expression of type 'long long int' results in '-9223372036854775808' [-Woverflow]
   18 |     ll ma=-inf;
      |           ^~~~
art.cpp:20:13: warning: integer overflow in expression of type 'long long int' results in '-9223372036854775808' [-Woverflow]
   20 |     ll best=-inf;
      |             ^~~~

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