#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define all(x) (x).begin(),(x).end()
#define X first
#define Y second
#define sep ' '
#define endl '\n'
#define debug(x) cerr << #x << ": " << x << endl;
const ll MAXN = 1e6 + 10;
int R[MAXN], n, k, r, ans = MAXN, A[MAXN];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n >> k >> r;
for (int i = 1; i <= n; i++) cin >> A[i];
for (int i = 1; i <= r; i++) {
int x, y;
cin >> x >> y;
R[x] = y;
}
int p = 1;
for (int i = 1; i <= n; i++) {
if (R[A[i]] == 1) r--;
R[A[i]]--;
while (R[A[p]] < 0)
R[A[p++]]++;
if (r <= 0) ans = min(ans, i - p + 1);
}
cout << (ans == MAXN ? "impossible" : to_string(ans)) << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 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 |
336 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
324 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
320 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 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 |
13 ms |
1480 KB |
Output is correct |
| 2 |
Correct |
12 ms |
1428 KB |
Output is correct |
| 3 |
Correct |
12 ms |
1520 KB |
Output is correct |
| 4 |
Correct |
14 ms |
1448 KB |
Output is correct |
| 5 |
Correct |
16 ms |
2512 KB |
Output is correct |
| 6 |
Correct |
10 ms |
1488 KB |
Output is correct |
| 7 |
Correct |
15 ms |
1620 KB |
Output is correct |
| 8 |
Correct |
17 ms |
3060 KB |
Output is correct |
| 9 |
Correct |
14 ms |
2000 KB |
Output is correct |
| 10 |
Correct |
11 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 |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
324 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
0 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
0 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
30 ms |
3116 KB |
Output is correct |
| 2 |
Correct |
25 ms |
2876 KB |
Output is correct |
| 3 |
Correct |
19 ms |
2604 KB |
Output is correct |
| 4 |
Correct |
10 ms |
1436 KB |
Output is correct |
| 5 |
Correct |
27 ms |
3652 KB |
Output is correct |
| 6 |
Correct |
34 ms |
3884 KB |
Output is correct |
| 7 |
Correct |
15 ms |
2116 KB |
Output is correct |
| 8 |
Correct |
18 ms |
2364 KB |
Output is correct |
| 9 |
Correct |
10 ms |
1484 KB |
Output is correct |
| 10 |
Correct |
11 ms |
1496 KB |
Output is correct |
| 11 |
Correct |
12 ms |
1552 KB |
Output is correct |
| 12 |
Correct |
12 ms |
1492 KB |
Output is correct |
| 13 |
Correct |
15 ms |
2528 KB |
Output is correct |
| 14 |
Correct |
10 ms |
1484 KB |
Output is correct |
| 15 |
Correct |
11 ms |
1620 KB |
Output is correct |
| 16 |
Correct |
18 ms |
3092 KB |
Output is correct |
| 17 |
Correct |
15 ms |
1988 KB |
Output is correct |
| 18 |
Correct |
10 ms |
1424 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
468 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 |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
328 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
340 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
340 KB |
Output is correct |
| 31 |
Correct |
0 ms |
212 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
