Submission #676386

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
676386	2022-12-30 15:11:17	vjudge1	Schools (IZhO13_school)	C++17	100 / 100	112 ms	10828 KiB

school

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int MAXN=3e5;
int n, m, s;
int a[MAXN+5];
int b[MAXN+5];
int id[MAXN+5];
bool cmp(int i, int j){
    return a[i]-b[i]>a[j]-b[j];
}
ll pre[MAXN+5];
ll suf[MAXN+5];
priority_queue<int, vector<int>, greater<int> > pq;
int main(){
//    freopen("C.INP", "r", stdin);
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>m>>s;
    for(int i=1; i<=n; i++){
        cin>>a[i]>>b[i];
        id[i]=i;
    }
    sort(id+1, id+n+1, cmp);
    ll cur=0;
    for(int i=1; i<=n; i++){
        pq.push(a[id[i]]);
        cur+=a[id[i]];
        if(i>m){
 
 
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• Subtask 1: 100 / 100