제출 #63332

#제출 시각아이디문제언어결과실행 시간메모리
63332chunghanArt Exhibition (JOI18_art)C++14
0 / 100
3 ms380 KiB
#include<iostream> #include<memory.h> #include<utility> #include<algorithm> #include<vector> using namespace std; typedef long long lld; lld n, s[500001] = {0, }, a, b, tmp; vector<pair<lld, lld>> art; int main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n; art.push_back(pair<int, int>(0, 0)); for(int i = 0; i < n; i++) { cin >> a >> b; art.push_back(pair<int, int>(a, b)); } sort(art.begin(), art.end()); for(int i = 1; i <= n; i++) { s[i] = s[i-1] + get<1>(art[i]); } lld tmp = 0; for(int i = 1; i <= n; i++) { for(int j = 1; j <= n; j++) { tmp = max(tmp, s[j] - s[i-1] - get<0>(art[j]) + get<0>(art[i])); } } cout << tmp << '\n'; return 0; }
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