Submission #1169949

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169949	2025-03-19 09:59:01	mnbvcxz123	Schools (IZhO13_school)	C++20	100 / 100	69 ms	9668 KiB

school

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
struct City {
    int A, B;
    int d; // A - B
};
 
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int N, M, S;
    cin >> N >> M >> S;
    vector<City> cities(N);
    for (int i = 0; i < N; i++){
        cin >> cities[i].A >> cities[i].B;
        cities[i].d = cities[i].A - cities[i].B;
    }
    
    // Sort cities descending by (A - B)
    sort(cities.begin(), cities.end(), [](const City &c1, const City &c2){
        return c1.d > c2.d;
    });
    
    // Handle cases where one type of school is 0.
    if(M == 0 && S > 0){
        // Choose S cities maximizing B.
        priority_queue<int, vector<int>, greater<int>> minHeap;
 
 
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• Subtask 1: 100 / 100