#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;
const ll mod=1e9+7;
const ll maxn=2e5+5;
const int INF=1e9;
#define ok ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define fi first
#define se second
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define endl '\n'
int n, k, r, arr[maxn], cnt[maxn], hrs[maxn], x, y, ans=INF, ls=1, tot;
bool use[maxn];
int main() {
ok
cin >> n >> k >> r;
for(int i=1; i<=n; i++) {
cin >> arr[i];
}
for(int i=1; i<=r; i++) {
cin >> x >> y;
hrs[x]=y;
}
for(int i=1; i<=n; i++) {
while(tot<r && ls<=n) {
cnt[arr[ls]]++;
if(!use[arr[ls]] && cnt[arr[ls]]>=hrs[arr[ls]] && hrs[arr[ls]]) {
tot++;
use[arr[ls]]=1;
}
ls++;
}
if(tot==r) {
ans=min(ans, ls-i);
}
cnt[arr[i]]--;
if(use[arr[i]] && cnt[arr[i]]<hrs[arr[i]]) {
tot--;
use[arr[i]]=0;
}
}
if(ans==INF) cout << "impossible";
else cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
1092 KB |
Output is correct |
2 |
Correct |
13 ms |
1052 KB |
Output is correct |
3 |
Correct |
14 ms |
1120 KB |
Output is correct |
4 |
Correct |
13 ms |
1120 KB |
Output is correct |
5 |
Correct |
16 ms |
1404 KB |
Output is correct |
6 |
Correct |
12 ms |
1108 KB |
Output is correct |
7 |
Correct |
13 ms |
1068 KB |
Output is correct |
8 |
Correct |
18 ms |
1864 KB |
Output is correct |
9 |
Correct |
16 ms |
1092 KB |
Output is correct |
10 |
Correct |
12 ms |
1108 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 |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
1752 KB |
Output is correct |
2 |
Correct |
23 ms |
1612 KB |
Output is correct |
3 |
Correct |
20 ms |
1620 KB |
Output is correct |
4 |
Correct |
12 ms |
1064 KB |
Output is correct |
5 |
Correct |
27 ms |
1884 KB |
Output is correct |
6 |
Correct |
31 ms |
2636 KB |
Output is correct |
7 |
Correct |
17 ms |
1108 KB |
Output is correct |
8 |
Correct |
21 ms |
1188 KB |
Output is correct |
9 |
Correct |
12 ms |
1108 KB |
Output is correct |
10 |
Correct |
17 ms |
1124 KB |
Output is correct |
11 |
Correct |
14 ms |
1040 KB |
Output is correct |
12 |
Correct |
13 ms |
1108 KB |
Output is correct |
13 |
Correct |
21 ms |
1440 KB |
Output is correct |
14 |
Correct |
12 ms |
1004 KB |
Output is correct |
15 |
Correct |
14 ms |
1120 KB |
Output is correct |
16 |
Correct |
18 ms |
1920 KB |
Output is correct |
17 |
Correct |
16 ms |
1100 KB |
Output is correct |
18 |
Correct |
13 ms |
1056 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 |
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 |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
340 KB |
Output is correct |
27 |
Correct |
0 ms |
340 KB |
Output is correct |
28 |
Correct |
0 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
0 ms |
340 KB |
Output is correct |
31 |
Correct |
0 ms |
340 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |