Submission #1071965

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071965		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	155 ms	12140 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
#define pb push_back
#define fi first
#define se second
const int N = 1e6 + 8  , inf = 1e17 ;
int  n , m , q ;
pair<int , int >a[N];
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin>> n ;
    vector<pair<int,   int >> v ;
    int ok =-inf , mx1 =0 ;
    for(int i  = 1; i <= n; i++){
        cin>> a[i].fi>>a[i].se;
    }
    sort(a + 1, a + n + 1 );
    int p[n+1] ,mx =0  , ans =0 ;
    p[0] =0 ;
    for(int i =1 ; i <= n; i++){
        p[i] = p[i-1]+a[i].se;
        mx = max(mx , a[i].fi - p[i-1]);
        ans = max(ans , p[i] - a[i].fi + mx);
    }
    cout << ans ;

}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:15:9: warning: unused variable 'ok' [-Wunused-variable]
   15 |     int ok =-inf , mx1 =0 ;
      |         ^~
art.cpp:15:20: warning: unused variable 'mx1' [-Wunused-variable]
   15 |     int ok =-inf , mx1 =0 ;
      |                    ^~~

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