Submission #77114

#	Time	Username	Problem	Language	Result	Execution time	Memory
77114		Vardanyan	Art Exhibition (JOI18_art)	C++14	50 / 100	1078 ms	11288 KiB

art

#include <bits/stdc++.h>
using namespace std;
const int N = 500*1000+7;
pair<long long,long long> a[N];
int main(){
    int n;
    scanf("%d",&n);
    for(int i = 1;i<=n;i++) scanf("%lld%lld",&a[i].first,&a[i].second);
    sort(a+1,a+1+n);
    long long ans = 0;
    for(int i = 1;i<=n;i++){
        long long mx = 0;
        long long mn = 10000000000000005;
        long long s = 0;
        for(int j = i;j<=n;j++){
            mx = max(mx,a[j].first);
            mn = min(mn,a[j].first);
            s+=a[j].second;
            ans = max(ans,s-(mx-mn));
        }
    }
    printf("%lld\n",ans);
    return 0;
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
art.cpp:8:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1;i<=n;i++) scanf("%lld%lld",&a[i].first,&a[i].second);
                             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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