#include<bits/stdc++.h>
using namespace std;
const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
const int maxn = 2e5+10;
int n,k,R,s[maxn], mn[maxn], qtd[maxn];
void solve() {
cin >> n >> k >> R;
for(int i = 1; i <= n; i++) {
cin >> s[i];
}
int q = R;
for(int i = 1; i <= R; i++) {
int id;
cin >> id;
cin >> mn[id];
}
int ans = inf;
int r = 0;
for(int i = 1; i <= n; i++) {
while(r != n && q != 0) {
//aumenta r
r++;
qtd[s[r]]++;
if(qtd[s[r]] == mn[s[r]]) {
q--;
}
}
if(q == 0) ans = min(ans, r-i+1);
//tira i
qtd[s[i]]--;
if(qtd[s[i]] == mn[s[r]]-1) {
q++;
}
}
if(ans == inf) cout << "impossible" << endl;
else cout << ans << endl;
}
int32_t main() {
ios::sync_with_stdio(false); cin.tie(0);
// freopen("in.in", "r", stdin);
// freopen("out.out", "w", stdout);
int tt = 1;
// cin >> tt;
while(tt--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
11 ms |
2260 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
26 ms |
4796 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |