Submission #1071458

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071458		vjudge1	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	2396 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
#define pb push_back
const int N = 1e6 + 8  , inf = 1e9+7 ;
int  n , m , q , a[N], b[N];
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin>> n ;
    vector<pair<int,   int >> v ;
    for(int i  = 1; i <= n; i++){
        cin>> a[i]>> b[i];
        v.pb({a[i] , b[i]});
    }
    sort(v.begin() , v.end());
    int mx =-1 , pos =0  ;
    for(int i =0 ; i < v.size() ; i++){
        if(v[i].second - v[i].first> mx){
            mx = v[i].second - v[i].first;
            pos = i ;
        }
    }
    int S = v[pos].second  , mn = v[pos].first ;
    mx =0 ;
    for(int i = pos+1 ; i < v.size() ; i++){
        mx = max(mx , S + v[i].second - (v[i].first - mn) );
        S+=v[i].second;
    }
    cout << mx ;

}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:18:22: 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]
   18 |     for(int i =0 ; i < v.size() ; i++){
      |                    ~~^~~~~~~~~~
art.cpp:26:27: 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]
   26 |     for(int i = pos+1 ; i < v.size() ; i++){
      |                         ~~^~~~~~~~~~

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