#include <bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 1000000007
#define LOGN 20
#define MAXN 100005
vector<vector<int>> pref;
vector<int> DNA;
int main() {
fast
int N, K, R;
cin >> N >> K >> R;
DNA = vector<int>(N+1);
for (int i = 1; i <= N; i++)
cin >> DNA[i];
pref = vector<vector<int>>(R, vector<int>(N+1, 0));
vector<pair<int,int>> req(R);
for (int i = 0; i < R; i++)
cin >> req[i].f >> req[i].s;
for (int i = 1; i <= N; i++) {
for (int ch = 0; ch < R; ch++)
pref[ch][i] = pref[ch][i-1] + (DNA[i] == req[ch].f);
}
int res = 1e7;
for (int i = 1; i <= N; i++) {
int ans = 1e7;
for (int ch = 0; ch < R; ch++) {
if (pref[ch][i] < req[ch].s) {
ans = -1;
break;
}
int q = upper_bound(pref[ch].begin(), pref[ch].end(), pref[ch][i] - req[ch].s) - pref[ch].begin() - 1;
ans = min(ans, q);
}
if (ans == -1)
continue;
else
res = min(res, i-ans+1);
}
if (res == 1e7)
cout << "impossible\n";
else
cout << res-1 << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
316 KB |
Output is correct |
7 |
Correct |
0 ms |
324 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
1 ms |
464 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
468 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 |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
324 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
9300 KB |
Output is correct |
2 |
Correct |
17 ms |
3020 KB |
Output is correct |
3 |
Correct |
81 ms |
10124 KB |
Output is correct |
4 |
Correct |
63 ms |
10112 KB |
Output is correct |
5 |
Correct |
51 ms |
10924 KB |
Output is correct |
6 |
Correct |
24 ms |
10052 KB |
Output is correct |
7 |
Correct |
28 ms |
10264 KB |
Output is correct |
8 |
Correct |
39 ms |
10980 KB |
Output is correct |
9 |
Correct |
57 ms |
10580 KB |
Output is correct |
10 |
Correct |
63 ms |
10060 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
484 KB |
Output is correct |
16 |
Correct |
1 ms |
468 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 |
1 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
324 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |