//!yrt tsuj uoy srettam gnihton no emoc
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define mp make_pair
#define pii pair <int, int>
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define F first
#define S second
const int maxn = 2e5 + 5;
int a[maxn], t[maxn], l[maxn], ind[maxn];
int b[maxn], q[maxn], f[maxn], nxt[maxn];
int main(){
fast_io;
int n, k, r;
cin >> n >> k >> r;
for(int i = 0; i < n; i ++){
cin >> a[i];
ind[a[i]] = l[a[i]] = -1;
}
for(int i = 0; i < r; i ++){
cin >> b[i] >> q[i];
ind[b[i]] = i;
}
int ans = INT_MAX;
set <int> s, cor;
for(int i = 0; i < n; i ++){
t[a[i]] ++;
if(ind[a[i]] != -1){
if(l[a[i]] == -1){
f[a[i]] = i;
}
if(l[a[i]] != -1){
nxt[l[a[i]]] = i;
}
l[a[i]] = i;
s.insert(i);
if(t[a[i]] >= q[ind[a[i]]]){
cor.insert(a[i]);
}
if(t[a[i]] > q[ind[a[i]]]){
t[a[i]] --;
s.erase(f[a[i]]);
f[a[i]] = nxt[f[a[i]]];
}
}
// cout << i << " -> " << *s.begin() << endl;
if((int)cor.size() >= r){
// cout << i << " :: " << *s.begin() << endl;
ans = min(ans, i - *s.begin() + 1);
}
}
if(ans == INT_MAX){
cout << "impossible";
return 0;
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
0 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
6144 KB |
Output is correct |
2 |
Correct |
52 ms |
3820 KB |
Output is correct |
3 |
Correct |
38 ms |
1900 KB |
Output is correct |
4 |
Correct |
65 ms |
4716 KB |
Output is correct |
5 |
Correct |
22 ms |
2156 KB |
Output is correct |
6 |
Correct |
58 ms |
11372 KB |
Output is correct |
7 |
Correct |
21 ms |
2156 KB |
Output is correct |
8 |
Correct |
24 ms |
3564 KB |
Output is correct |
9 |
Correct |
19 ms |
1792 KB |
Output is correct |
10 |
Correct |
72 ms |
5484 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
492 KB |
Output is correct |
14 |
Correct |
2 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
2 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
199 ms |
10988 KB |
Output is correct |
2 |
Correct |
179 ms |
8812 KB |
Output is correct |
3 |
Correct |
58 ms |
4588 KB |
Output is correct |
4 |
Correct |
25 ms |
1900 KB |
Output is correct |
5 |
Correct |
73 ms |
11628 KB |
Output is correct |
6 |
Correct |
173 ms |
15212 KB |
Output is correct |
7 |
Correct |
132 ms |
6380 KB |
Output is correct |
8 |
Correct |
130 ms |
5228 KB |
Output is correct |
9 |
Correct |
60 ms |
6124 KB |
Output is correct |
10 |
Correct |
52 ms |
3820 KB |
Output is correct |
11 |
Correct |
36 ms |
1900 KB |
Output is correct |
12 |
Correct |
59 ms |
4716 KB |
Output is correct |
13 |
Correct |
21 ms |
2156 KB |
Output is correct |
14 |
Correct |
58 ms |
11372 KB |
Output is correct |
15 |
Correct |
21 ms |
2156 KB |
Output is correct |
16 |
Correct |
26 ms |
3564 KB |
Output is correct |
17 |
Correct |
19 ms |
1772 KB |
Output is correct |
18 |
Correct |
69 ms |
5484 KB |
Output is correct |
19 |
Correct |
1 ms |
492 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
2 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
1 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
364 KB |
Output is correct |
30 |
Correct |
1 ms |
364 KB |
Output is correct |
31 |
Correct |
1 ms |
364 KB |
Output is correct |
32 |
Correct |
1 ms |
364 KB |
Output is correct |
33 |
Correct |
1 ms |
364 KB |
Output is correct |