提出 #73917203

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ソースコード 拡げる

#include <iostream>
#include <vector>
#include <map>
using namespace std;
int main() {
    int N, Q;
    cin >> N >> Q;
    vector<int> balls(N + 1);
    map<int, int> freq;
    for (int i = 1; i <= N; i++) {
        cin >> balls[i];
        freq[balls[i]]++;
    }
    while (Q--) {
        int K;
        cin >> K;
        vector<int> removed(K);
        for (int i = 0; i < K; i++) {
            int pos;
            cin >> pos;
            int val = balls[pos];
            removed[i] = val;
            freq[val]--;
            if (freq[val] == 0) {
                freq.erase(val);
            }
        }
        cout << freq.begin()->first << endl;
        for (int val : removed) {
            freq[val]++;
        }
    }
    return 0;
}

提出情報

ジャッジ結果