oj.uz

Submission #365330

# Submission time Handle Problem Language Result Execution time Memory
365330 2021-02-11T13:24:12 Z AdOjis485 JJOOII 2 (JOI20_ho_t2) C++17
13 / 100
 2000 ms 3048 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#define int int64_t
using namespace std;

signed main()
{
    int n, k;
    string s;
    cin >> n >> k >> s;
    
    vector<int> jvec;
    vector<int> ovec;
    vector<int> ivec;

    for(int i = 0; i < n; i ++) 
    {
        if(s[i] == 'J') jvec.push_back(i);
        else if(s[i] == 'O') ovec.push_back(i);
        else ivec.push_back(i);
    }

    int ans = 1e9;

    for(int i = 0; i + k <= jvec.size(); i ++)
    {
        int j = 0;
        while(j < ovec.size() && ovec[j] < jvec[i + k - 1]) j ++;
        if(j + k > ovec.size()) continue;
        int j2 = 0;
        while(j2 < ivec.size() && ivec[j2] < ovec[j + k - 1]) j2 ++;
        if(j2 + k <= ivec.size())
        {
         //   cerr << i << " " << j << " " << j2 << " " << j2 + k - 4 - i << '\n'; 
            ans = min(ivec[j2 + k - 1] - jvec[i] - 3 * k + 1, ans);
        }
    }

    if(ans == 1e9) cout << "-1\n";
    else cout << ans << '\n';    
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:26:26: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i = 0; i + k <= jvec.size(); i ++)
      |                    ~~~~~~^~~~~~~~~~~~~~
ho_t2.cpp:29:17: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         while(j < ovec.size() && ovec[j] < jvec[i + k - 1]) j ++;
      |               ~~^~~~~~~~~~~~~
ho_t2.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         if(j + k > ovec.size()) continue;
      |            ~~~~~~^~~~~~~~~~~~~
ho_t2.cpp:32:18: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         while(j2 < ivec.size() && ivec[j2] < ovec[j + k - 1]) j2 ++;
      |               ~~~^~~~~~~~~~~~~
ho_t2.cpp:33:19: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         if(j2 + k <= ivec.size())
      |            ~~~~~~~^~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 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 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 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

Subtask #2
12.0 / 12.0

# 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 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 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
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 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
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 0 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
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct

Subtask #3
0 / 87.0

# 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 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 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 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
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 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
26 Correct 1 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 0 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
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1852 ms 2456 KB Output is correct
37 Execution timed out 2057 ms 3048 KB Time limit exceeded
38 Halted 0 ms 0 KB -