제출 #537892

#제출 시각아이디문제언어결과실행 시간메모리
537892smthArt Exhibition (JOI18_art)C++14
100 / 100
214 ms8204 KiB
#include<bits/stdc++.h> #define endl '\n' using namespace std; struct st { long long a,b; }; st s[1000000]; bool cmp(st p, st q) { return p.a<q.a; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long i,j,n,maxi=0, pref=0, res=0; cin>>n; for(i=0;i<n;i++)cin>>s[i].a>>s[i].b; sort(s,s+n,cmp); for(i=0;i<n;i++) { maxi=max(maxi,s[i].a-pref); pref+=s[i].b; res=max(res, -s[i].a+pref+maxi); } cout<<res<<endl; }

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int main()':
art.cpp:21:17: warning: unused variable 'j' [-Wunused-variable]
   21 |     long long i,j,n,maxi=0, pref=0, res=0;
      |                 ^
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