#include <iostream>
#include <string>
#include <math.h>
#include <algorithm>
#include <vector>
#include <string.h>
#include <numeric>
#include <iostream>
#include <queue>
#include <assert.h>
#include <map>
#include <set>
#include <limits.h>
#include <random>
#include <chrono>
using namespace std;
#define ll long long
#define ld long double
const int MX = 200005;
const int BLOCK = 105;
const ll mod = 1e9 + 7;
const ll inv2 = (mod + 1) / 2;
const int dxh[] = {1, 1, -1, -1, 2, 2, -2, -2};
const int dyh[] = {2, -2, 2, -2, 1, -1, 1, -1}; // horse
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1}; // adj
const int dxd[] = {1, 1, 1, 0, -1, -1, -1, 0};
const int dyd[] = {1, 0, -1, -1, -1, 0, 1, 1}; // diag
int n, k, r, v[MX];
int st[MX * 4];
void upd(int nd, int cl, int cr, int ps, int val){
if(ps < cl || cr < ps) return;
if(cl == cr) return void(st[nd] += val);
upd(nd * 2, cl, (cl + cr) / 2, ps, val);
upd(nd * 2 + 1, (cl + cr) / 2 + 1, cr, ps, val);
st[nd] = max(st[nd * 2], st[nd * 2 + 1]);
}
int main(){
cin.tie(0) -> sync_with_stdio(0);
cin >> n >> k >> r;
for(int i = 0; i < n; i ++)
cin >> v[i];
for(int a, c, i = 0; i < r; i ++){
cin >> a >> c;
upd(1, 0, k - 1, a, c);
}
int ans = MX + MX + MX;
for(int i = 0, j = -1; i < n; i ++){
for(; j < n && st[1] > 0; upd(1, 0, k - 1, v[++ j], -1));
if(j >= n) break;
ans = min(ans, j - i + 1);
upd(1, 0, k - 1, v[i], 1);
}
if(ans > n) cout << "impossible\n";
else cout << ans << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
2 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 |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
364 KB |
Output is correct |
2 |
Correct |
2 ms |
364 KB |
Output is correct |
3 |
Correct |
2 ms |
412 KB |
Output is correct |
4 |
Correct |
3 ms |
364 KB |
Output is correct |
5 |
Correct |
2 ms |
364 KB |
Output is correct |
6 |
Correct |
2 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
26 ms |
1516 KB |
Output is correct |
2 |
Correct |
23 ms |
1516 KB |
Output is correct |
3 |
Correct |
32 ms |
1536 KB |
Output is correct |
4 |
Correct |
32 ms |
1516 KB |
Output is correct |
5 |
Correct |
101 ms |
3308 KB |
Output is correct |
6 |
Correct |
23 ms |
1516 KB |
Output is correct |
7 |
Correct |
33 ms |
1772 KB |
Output is correct |
8 |
Correct |
109 ms |
4460 KB |
Output is correct |
9 |
Correct |
78 ms |
2156 KB |
Output is correct |
10 |
Correct |
29 ms |
1516 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
3 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
364 KB |
Output is correct |
16 |
Correct |
2 ms |
364 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 |
492 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
131 ms |
4076 KB |
Output is correct |
2 |
Correct |
122 ms |
3300 KB |
Output is correct |
3 |
Correct |
107 ms |
2924 KB |
Output is correct |
4 |
Correct |
20 ms |
1516 KB |
Output is correct |
5 |
Correct |
108 ms |
4332 KB |
Output is correct |
6 |
Correct |
151 ms |
5356 KB |
Output is correct |
7 |
Correct |
59 ms |
2156 KB |
Output is correct |
8 |
Correct |
85 ms |
2540 KB |
Output is correct |
9 |
Correct |
27 ms |
1576 KB |
Output is correct |
10 |
Correct |
21 ms |
1532 KB |
Output is correct |
11 |
Correct |
38 ms |
1516 KB |
Output is correct |
12 |
Correct |
28 ms |
1516 KB |
Output is correct |
13 |
Correct |
104 ms |
3308 KB |
Output is correct |
14 |
Correct |
23 ms |
1516 KB |
Output is correct |
15 |
Correct |
32 ms |
1644 KB |
Output is correct |
16 |
Correct |
109 ms |
4588 KB |
Output is correct |
17 |
Correct |
77 ms |
2156 KB |
Output is correct |
18 |
Correct |
31 ms |
1516 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
2 ms |
364 KB |
Output is correct |
21 |
Correct |
2 ms |
364 KB |
Output is correct |
22 |
Correct |
3 ms |
364 KB |
Output is correct |
23 |
Correct |
2 ms |
364 KB |
Output is correct |
24 |
Correct |
2 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
388 KB |
Output is correct |
27 |
Correct |
2 ms |
364 KB |
Output is correct |
28 |
Correct |
1 ms |
364 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 |