제출 #699325

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
699325		Hossam_	Art Exhibition (JOI18_art)	C++17	50 / 100	1090 ms	12072 KiB

art

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define IO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl '\n'
#define all(x) begin(x), end(x)
#define pb push_back
 
int n;
vector<pair<int, int>>v;
 
int32_t main() {
    IO
 
    cin>>n;
    for(int i=0;i<n;i++){int a,b;cin>>a>>b;v.pb({a,b});}
    sort(all(v));
    vector<int>sum(n+1);
    int at=0;
    for(int i=0;i<n;i++){at+=v[i].second;sum[i+1]=at;}
    int ans=0;
    for(int i=0;i<v.size();i++){
        for(int j=i;j<v.size();j++) {
            at=(sum[j+1]-sum[i])-(v[j].first-v[i].first);
            ans=max(ans, at);
        }
    }
    cout<<ans;
 
    
}
 
 
 
 
/*
 
*/  

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'int32_t main()':
art.cpp:22:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
art.cpp:23:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for(int j=i;j<v.size();j++) {
      |                     ~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 50