제출 #867899

#제출 시각아이디문제언어결과실행 시간메모리
867899iskhakkutbilimArt Exhibition (JOI18_art)C++17
100 / 100
146 ms21204 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define ff first #define ss second #define all(a) a.begin(), a.end() main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; int ans = 0; vector< pair<int, int> > a(n); for(int i = 0;i < n; i++) cin >> a[i].ff >> a[i].ss; sort(all(a)); int cursum = 0, pref = -a[0].ff; for(int i = 0;i < n; i++){ cursum+= a[i].ss; ans = max(ans, cursum - pref - a[i].ff); pref = min(pref, cursum - (i + 1 >= n ? INT_MAX : a[i+1].ff)); } cout << ans; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

art.cpp:12:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   12 | main(){
      | ^~~~
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