Submission #676901

# Submission time Handle Problem Language Result Execution time Memory
676901 2023-01-01T14:07:37 Z KKT89 Martian DNA (BOI18_dna) C++17
100 / 100
31 ms 4492 KB
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myrand(ll B){
    return (ull)rng() % B;
}
inline double time() {
    return static_cast<long double>(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()) * 1e-9;
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n,k,q; cin >> n >> k >> q;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    vector<int> b(k);
    for (int i = 0; i < q; ++i) {
        int x,y; cin >> x >> y;
        b[x] = y;
    }
    vector<int> c(k);
    int cnt = 0;
    for (int i = 0; i < k; ++i) {
        if(c[i] >= b[i]) cnt++;
    }
    int res = n+1;
    int r = 0;
    for (int l = 0; l < n; ++l) {
        while(r < n and cnt < k){
            c[a[r]]++;
            if(c[a[r]] == b[a[r]]) cnt++;
            r++;
        }
        if(cnt == k){
            res = min(res, r-l);
        }
        if(c[a[l]] == b[a[l]]) cnt--;
        c[a[l]]--;
    }
    if(res == n+1){
        cout << "impossible" << endl;
    }
    else{
        cout << res << endl;
    }
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 280 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 1488 KB Output is correct
2 Correct 11 ms 1488 KB Output is correct
3 Correct 13 ms 1484 KB Output is correct
4 Correct 11 ms 1488 KB Output is correct
5 Correct 17 ms 2760 KB Output is correct
6 Correct 12 ms 1492 KB Output is correct
7 Correct 15 ms 1620 KB Output is correct
8 Correct 18 ms 3912 KB Output is correct
9 Correct 15 ms 2072 KB Output is correct
10 Correct 12 ms 1492 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 356 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 25 ms 3404 KB Output is correct
2 Correct 23 ms 3140 KB Output is correct
3 Correct 19 ms 2892 KB Output is correct
4 Correct 11 ms 1492 KB Output is correct
5 Correct 30 ms 4036 KB Output is correct
6 Correct 31 ms 4492 KB Output is correct
7 Correct 17 ms 2124 KB Output is correct
8 Correct 18 ms 2508 KB Output is correct
9 Correct 11 ms 1488 KB Output is correct
10 Correct 11 ms 1492 KB Output is correct
11 Correct 12 ms 1548 KB Output is correct
12 Correct 12 ms 1532 KB Output is correct
13 Correct 16 ms 2760 KB Output is correct
14 Correct 11 ms 1492 KB Output is correct
15 Correct 12 ms 1620 KB Output is correct
16 Correct 20 ms 3912 KB Output is correct
17 Correct 15 ms 2112 KB Output is correct
18 Correct 12 ms 1488 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 324 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 324 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct