#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;
const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;
ll J[N], O[N], I[N];
vector<ll> v;
ll calc(ll x){
return I[O[J[x]]];
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
ll n, k;
cin >> n >> k;
str s;
cin >> s;
J[n] = n;
O[n] = n;
I[n] = n;
v.clear();
for(int i = n - 1; i >= 0; i--){
if(s[i] == 'J') v.pb(i);
J[i] = (v.size() < k ? n : v[v.size() - k]);
}
v.clear();
for(int i = n - 1; i >= 0; i--){
if(s[i] == 'O') v.pb(i);
O[i] = (v.size() < k ? n : v[v.size() - k]);
}
v.clear();
for(int i = n - 1; i >= 0; i--){
if(s[i] == 'I') v.pb(i);
I[i] = (v.size() < k ? n : v[v.size() - k]);
}
if(calc(0) == n) return cout << "-1\n", 0;
ll ans = n;
for(int i = 0; i < n; i++){
if(calc(i) == n) break;
ans = min(ans, (calc(i) - i + 1) - 3*k);
}
cout << ans;
return 0;
}
/*
5
4 7 9 10 11 12
3 5 7 9 11
*/
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:40:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
J[i] = (v.size() < k ? n : v[v.size() - k]);
~~~~~~~~~^~~
ho_t2.cpp:45:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
O[i] = (v.size() < k ? n : v[v.size() - k]);
~~~~~~~~~^~~
ho_t2.cpp:50:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
I[i] = (v.size() < k ? n : v[v.size() - k]);
~~~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
4 ms |
380 KB |
Output is correct |
| 3 |
Correct |
5 ms |
380 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
4 ms |
380 KB |
Output is correct |
| 3 |
Correct |
5 ms |
380 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
504 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
504 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
504 KB |
Output is correct |
| 25 |
Correct |
5 ms |
504 KB |
Output is correct |
| 26 |
Correct |
5 ms |
504 KB |
Output is correct |
| 27 |
Correct |
7 ms |
632 KB |
Output is correct |
| 28 |
Correct |
6 ms |
504 KB |
Output is correct |
| 29 |
Correct |
5 ms |
504 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
5 ms |
508 KB |
Output is correct |
| 33 |
Correct |
5 ms |
376 KB |
Output is correct |
| 34 |
Correct |
5 ms |
376 KB |
Output is correct |
| 35 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
4 ms |
380 KB |
Output is correct |
| 3 |
Correct |
5 ms |
380 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
504 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
504 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
504 KB |
Output is correct |
| 25 |
Correct |
5 ms |
504 KB |
Output is correct |
| 26 |
Correct |
5 ms |
504 KB |
Output is correct |
| 27 |
Correct |
7 ms |
632 KB |
Output is correct |
| 28 |
Correct |
6 ms |
504 KB |
Output is correct |
| 29 |
Correct |
5 ms |
504 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
5 ms |
508 KB |
Output is correct |
| 33 |
Correct |
5 ms |
376 KB |
Output is correct |
| 34 |
Correct |
5 ms |
376 KB |
Output is correct |
| 35 |
Correct |
5 ms |
376 KB |
Output is correct |
| 36 |
Correct |
11 ms |
5500 KB |
Output is correct |
| 37 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 38 |
Correct |
15 ms |
5880 KB |
Output is correct |
| 39 |
Correct |
13 ms |
5880 KB |
Output is correct |
| 40 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 41 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 42 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 43 |
Correct |
9 ms |
4016 KB |
Output is correct |
| 44 |
Correct |
10 ms |
4604 KB |
Output is correct |
| 45 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 46 |
Correct |
11 ms |
5880 KB |
Output is correct |
| 47 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 48 |
Correct |
12 ms |
5884 KB |
Output is correct |
| 49 |
Correct |
9 ms |
4092 KB |
Output is correct |
| 50 |
Correct |
14 ms |
5880 KB |
Output is correct |
| 51 |
Correct |
11 ms |
5880 KB |
Output is correct |
| 52 |
Correct |
11 ms |
5756 KB |
Output is correct |
| 53 |
Correct |
12 ms |
5880 KB |
Output is correct |
| 54 |
Correct |
9 ms |
5880 KB |
Output is correct |
| 55 |
Correct |
9 ms |
5880 KB |
Output is correct |
| 56 |
Correct |
10 ms |
5880 KB |
Output is correct |
