#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mxN = 2e5+10;
int N, K, R;
void solve() {
cin >> N >> K >> R;
vector<int> DNA(N), need(K, INT_MAX);
for (auto& dna : DNA)
cin >> dna;
for (int i = 0; i < R; i++) {
int B, Q;
cin >> B >> Q;
need[B] = Q;
}
int ans = INT_MAX;
int good = 0;
for (int l = 0, r = 0; l < N; l++) {
while(good < R && r < N)
if (--need[DNA[r++]] == 0)
++good;
if (good == R)
ans = min(ans, r - l);
if (++need[DNA[l]] == 1)
--good;
}
cout << (ans == INT_MAX ? "impossible" : to_string(ans));
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
252 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
1100 KB |
Output is correct |
2 |
Correct |
17 ms |
1100 KB |
Output is correct |
3 |
Correct |
17 ms |
1100 KB |
Output is correct |
4 |
Correct |
17 ms |
1100 KB |
Output is correct |
5 |
Correct |
21 ms |
1356 KB |
Output is correct |
6 |
Correct |
17 ms |
1100 KB |
Output is correct |
7 |
Correct |
17 ms |
1100 KB |
Output is correct |
8 |
Correct |
24 ms |
1900 KB |
Output is correct |
9 |
Correct |
20 ms |
1100 KB |
Output is correct |
10 |
Correct |
18 ms |
1100 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
2 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
1356 KB |
Output is correct |
2 |
Correct |
31 ms |
1328 KB |
Output is correct |
3 |
Correct |
25 ms |
1344 KB |
Output is correct |
4 |
Correct |
16 ms |
1100 KB |
Output is correct |
5 |
Correct |
37 ms |
1484 KB |
Output is correct |
6 |
Correct |
49 ms |
1740 KB |
Output is correct |
7 |
Correct |
22 ms |
1100 KB |
Output is correct |
8 |
Correct |
27 ms |
1148 KB |
Output is correct |
9 |
Correct |
18 ms |
1100 KB |
Output is correct |
10 |
Correct |
17 ms |
1100 KB |
Output is correct |
11 |
Correct |
18 ms |
1100 KB |
Output is correct |
12 |
Correct |
17 ms |
1100 KB |
Output is correct |
13 |
Correct |
21 ms |
1356 KB |
Output is correct |
14 |
Correct |
16 ms |
1100 KB |
Output is correct |
15 |
Correct |
19 ms |
1052 KB |
Output is correct |
16 |
Correct |
29 ms |
1868 KB |
Output is correct |
17 |
Correct |
20 ms |
1100 KB |
Output is correct |
18 |
Correct |
17 ms |
1100 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
204 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |