#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
#define nn "\n"
#define x_x ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define intt int _; cin >> _; while (_--)
#define emp push_back
#define mod 1000000007
#define all(v) v.begin(), v.end()
#define ld long double
#define A first
#define B second
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
int main() {
x_x
int n, k, r; cin>>n>>k>>r; map<int,int>mp,f;
int ar[n];
for(int i=0; i<n; i++)
cin>>ar[i];
int z=0;
for(int i=0, a,b; i<r;i++)
cin>>a>>b, mp[a]=b, z+=(b==0);
int sz=5+n;
for(int i=0, j=0; j<n||i<n;) {
while (z<r&&j<n) {
f[ar[j]]++;
if (mp.find(ar[j])!=mp.end()&&f[ar[j]]==mp[ar[j]])z++;
j++;
}
if(z==r&&i<=j)sz=min(sz,j-i);
if(mp.find(ar[i])!=mp.end()&&f[ar[i]]==mp[ar[i]])
z-=1;
f[ar[i]]-=1; i++;
}
if(sz>n) cout<<"impossible"; else cout<<sz;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
2 ms |
600 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
1116 KB |
Output is correct |
2 |
Correct |
11 ms |
1232 KB |
Output is correct |
3 |
Correct |
17 ms |
1116 KB |
Output is correct |
4 |
Correct |
17 ms |
1116 KB |
Output is correct |
5 |
Correct |
86 ms |
5120 KB |
Output is correct |
6 |
Correct |
21 ms |
1116 KB |
Output is correct |
7 |
Correct |
28 ms |
1236 KB |
Output is correct |
8 |
Correct |
111 ms |
10432 KB |
Output is correct |
9 |
Correct |
52 ms |
1372 KB |
Output is correct |
10 |
Correct |
24 ms |
1208 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
600 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
246 ms |
8728 KB |
Output is correct |
2 |
Correct |
198 ms |
6848 KB |
Output is correct |
3 |
Correct |
136 ms |
4972 KB |
Output is correct |
4 |
Correct |
10 ms |
1112 KB |
Output is correct |
5 |
Correct |
269 ms |
9912 KB |
Output is correct |
6 |
Correct |
302 ms |
14580 KB |
Output is correct |
7 |
Correct |
141 ms |
1940 KB |
Output is correct |
8 |
Correct |
169 ms |
2644 KB |
Output is correct |
9 |
Correct |
16 ms |
1112 KB |
Output is correct |
10 |
Correct |
11 ms |
1116 KB |
Output is correct |
11 |
Correct |
17 ms |
1236 KB |
Output is correct |
12 |
Correct |
17 ms |
1116 KB |
Output is correct |
13 |
Correct |
78 ms |
4956 KB |
Output is correct |
14 |
Correct |
20 ms |
1112 KB |
Output is correct |
15 |
Correct |
27 ms |
1116 KB |
Output is correct |
16 |
Correct |
140 ms |
10560 KB |
Output is correct |
17 |
Correct |
49 ms |
1368 KB |
Output is correct |
18 |
Correct |
21 ms |
1116 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |