Submission #159881

#TimeUsernameProblemLanguageResultExecution timeMemory
159881dantoh000Art Exhibition (JOI18_art)C++14
100 / 100
337 ms21112 KiB
#include <bits/stdc++.h> #define int long long using namespace std; typedef pair<int,int> ii; main(){ int n; scanf("%lld",&n); ii a[n]; for (int i = 0; i < n; i++){ scanf("%lld%lld",&a[i].first,&a[i].second); } sort(a,a+n); int m = -a[0].first; int cur = 0; int ans = 0; for (int i = 0; i < n; i++){ cur += a[i].second; //printf("%d %d %d -> ",cur,m,a[i].first); //printf("%d ",cur-m-a[i].first); ans = max(ans,cur-m-a[i].first); m = min(m,cur-a[i+1].first); } printf("%lld",ans); }

Compilation message (stderr)

art.cpp:5:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
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("%lld",&n);
     ~~~~~^~~~~~~~~~~
art.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld",&a[i].first,&a[i].second);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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