제출 #1076118

#제출 시각아이디문제언어결과실행 시간메모리
1076118lmaobruhArt Exhibition (JOI18_art)C++14
0 / 100
1 ms348 KiB
#include <bits/stdc++.h> using namespace std; #define ii pair<long long, long long> #define fi first #define se second const int N = 5e5+5; int n; ii a[N]; bool cmp(ii p1, ii p2) { if (p1 == p2) return 0; else if (p1 != p2) return p1.fi < p2.fi; else return p1.se > p2.se; } int main() { cin.tie(0)->sync_with_stdio(0); if (fopen("A.inp", "r")) freopen("A.inp", "r", stdin); cin >> n; for (int i = 1; i <= n; ++i) cin >> a[i].fi >> a[i].se; sort(a+1, a+n+1, cmp); long long ans = a[1].se, mx = 0; for (int i = 1; i <= n; ++i) { ans = max(ans, mx - a[i].fi + a[i].se); mx = max(mx + a[i].se, a[i].fi + a[i].se); } cout << ans; }

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int main()':
art.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen("A.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...