Submission #1313355

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313355		nambanana987	Art Exhibition (JOI18_art)	C++20	50 / 100	1096 ms	8172 KiB

art

#include <bits/stdc++.h>
#include <climits>
using namespace std;
#define f first
#define s second
#define all(a) a.begin(),a.end()
#define sz(a) (int)a.size()
#define int long long
const int N=5e5+5;
int n;
pair<int,int> M[N];
int dp[N];

bool comp(pair<int,int>a,pair<int,int>b){
    return b.f<a.f;
}
void solve(){
    cin>>n;
    for(int i=1;i<=n;++i) cin>>M[i].f>>M[i].s;
    sort(M+1,M+n+1,comp);
    
    int ans=0;
    for(int i=1;i<=n;++i){
        int ma=0,mi=LLONG_MAX,sum=0;
        for(int j=i;j<=n;++j){
            sum+=M[j].s;
            ma=max(ma,M[j].f);
            mi=min(mi,M[j].f);
            ans=max(ans,sum-ma+mi);
        }
    }
    cout<<ans;
}
signed main(){

    ios_base::sync_with_stdio(0);cin.tie(0);
    int T=1;
    while(T--) solve();
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50