oj.uz

Submission #484698

# Submission time Handle Problem Language Result Execution time Memory
484698 2021-11-05T06:39:44 Z Jarif_Rahman JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 12 ms 2016 KB 
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const int inf = 1e9;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k; str s; cin >> n >> k >> s;

    vector<int> J, O, I;
    for(int i = 0; i < n; i++){
        if(s[i] == 'J') J.pb(i);
        if(s[i] == 'O') O.pb(i);
        if(s[i] == 'I') I.pb(i);
    }

    int ans = inf;

    for(int i = k-1; i < O.size(); i++){
        int cur = n;
        cur-=3*k;

        auto it = lower_bound(J.begin(), J.end(), O[i-k+1]);
        int j = it-J.begin();
        j--;
        j-=k-1;
        if(j < 0) continue;
        cur-=J[j];

        it = lower_bound(I.begin(), I.end(), O[i]);
        if(it == I.end()) continue;
        j = it-I.begin();
        j+=k-1;
        if(j >= I.size()) continue;
        cur-=n-I[j]-1;

        ans = min(ans, cur);
    }

    if(ans == inf) ans = -1;
    cout << ans << "\n";
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:23:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i = k-1; i < O.size(); i++){
      |                      ~~^~~~~~~~~~
ho_t2.cpp:38:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |         if(j >= I.size()) continue;
      |            ~~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 316 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 308 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 0 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 9 ms 1684 KB Output is correct
37 Correct 10 ms 1904 KB Output is correct
38 Correct 12 ms 1956 KB Output is correct
39 Correct 10 ms 1980 KB Output is correct
40 Correct 8 ms 1992 KB Output is correct
41 Correct 8 ms 1940 KB Output is correct
42 Correct 10 ms 1816 KB Output is correct
43 Correct 4 ms 1260 KB Output is correct
44 Correct 5 ms 1488 KB Output is correct
45 Correct 8 ms 2000 KB Output is correct
46 Correct 7 ms 1992 KB Output is correct
47 Correct 6 ms 2000 KB Output is correct
48 Correct 6 ms 2016 KB Output is correct
49 Correct 4 ms 1328 KB Output is correct
50 Correct 7 ms 1988 KB Output is correct
51 Correct 7 ms 2000 KB Output is correct
52 Correct 4 ms 1488 KB Output is correct
53 Correct 4 ms 1732 KB Output is correct
54 Correct 5 ms 1992 KB Output is correct
55 Correct 3 ms 2004 KB Output is correct
56 Correct 3 ms 2004 KB Output is correct