Submission #1133049

#	Time	Username	Problem	Language	Result	Execution time	Memory
1133049		lopkus	Martian DNA (BOI18_dna)	C++20	40 / 100	2092 ms	8264 KiB

dna

#include <bits/stdc++.h>

#define int long long

using namespace std;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, dic, r;
    cin >> n >> dic >> r;
    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    int ans = n + 1;
    vector<int> p(r + 1);
    vector<int> k(r + 1);
    for(int i = 1; i <= r; i++) {
        cin >> p[i] >> k[i];
    }
    for(int i = 1; i <= n; i++) {
        map<int,int> M;
        for(int j = i; j <= n; j++) {
            M[a[j]] += 1;
            int ok = 1;
            for(int q = 1; q <= r; q++) {
                if(M[p[q]] >= k[q]) {

                }
                else {
                    ok = 0;
                }
            }
            if(ok) {
                ans = min(ans, j - i + 1);
            }
        }
    }
    if(ans == n + 1) {
        cout << "impossible";
    }
    else {
        cout << ans;
    }
}

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 0 / 28
• Subtask 4: 0 / 32