Ryhmät

#include <bits/stdc++.h>
#define F first
#define S second
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;

pair<int,int> lim[101010];
int k[101010];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n,tcs;
    cin>>n>>tcs;
    for (int i=0;i<n;i++) cin>>lim[i].F>>lim[i].S;
    sort(lim,lim+n);

    for (int tc=0;tc<tcs;tc++) {
        int m;
        cin>>m;
        for (int i=0;i<m;i++) cin>>k[i];
        sort(k,k+m);
        bool ok=true;
        map<int,int> ava;
        int si=0;
        int j=0;
        for (int i=0;i<m;i++) {
            while (j<n && lim[j].F <= k[i]) {
                ava[lim[j].S]++;
                si++;
                j++;
            }
            while (!ava.empty() && ava.begin()->F < k[i]) {
                si-=ava.begin()->S;
                ava.erase(ava.begin());
            }
            if (si < k[i]) {
                cout<<"NO\n";
                ok=false;
                break;
            }
            si-=k[i];
            while (!ava.empty() && ava.begin()->S <= k[i]) {
                k[i]-=ava.begin()->S;
                ava.erase(ava.begin());
            }
            if (k[i]) {
                ava.begin()->S -= k[i];
            }
        }
        if (ok) cout<<"YES\n";
    }
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED