oj.uz

Submission #974083

# Submission time Handle Problem Language Result Execution time Memory
974083 2024-05-02T18:24:11 Z kilikuma JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 7 ms 3816 KB 
#include <bits/stdc++.h>
using namespace std;


int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n,k; cin>>n>>k;
    string s;cin>>s;

    int prefj[n],prefo[n],prefi[n];
    for(int i=0;i<n;i++){
      prefj[i]=n+1;
      prefo[i]=n+1;
      prefi[i]=n+1;
    }
    queue<int> posj,poso,posi;
    for(int i=n-1;i>=0;i--){
      if(s[i]=='J') posj.push(i);
      if(s[i]=='O') poso.push(i);
      if(s[i]=='I') posi.push(i);
      while (posj.size()>k) posj.pop();
      if (posj.size()==k) prefj[i]=posj.front();
      while (poso.size()>k) poso.pop();
      if (poso.size()==k) prefo[i]=poso.front();
      while (posi.size()>k) posi.pop();
      if (posi.size()==k) prefi[i]=posi.front();
    }
    int ans=n+1;
    for (int i=0;i<n;i++) {
      if (prefj[i]+1>=n) continue;
      if (prefo[prefj[i]+1]+1>=n) continue;
      if (prefi[prefo[prefj[i]+1]+1]>=n) continue;
      ans=min(ans,prefi[prefo[prefj[i]+1]+1]-i+1-3*k);
    }
    if(ans==(n+1)) cout<<-1;
    else cout<<ans;

}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:24:25: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |       while (posj.size()>k) posj.pop();
      |              ~~~~~~~~~~~^~
ho_t2.cpp:25:22: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |       if (posj.size()==k) prefj[i]=posj.front();
      |           ~~~~~~~~~~~^~~
ho_t2.cpp:26:25: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |       while (poso.size()>k) poso.pop();
      |              ~~~~~~~~~~~^~
ho_t2.cpp:27:22: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   27 |       if (poso.size()==k) prefo[i]=poso.front();
      |           ~~~~~~~~~~~^~~
ho_t2.cpp:28:25: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |       while (posi.size()>k) posi.pop();
      |              ~~~~~~~~~~~^~
ho_t2.cpp:29:22: warning: comparison of integer expressions of different signedness: 'std::queue<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |       if (posi.size()==k) prefi[i]=posi.front();
      |           ~~~~~~~~~~~^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 516 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 516 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 516 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 600 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 5 ms 3048 KB Output is correct
37 Correct 5 ms 3292 KB Output is correct
38 Correct 6 ms 3480 KB Output is correct
39 Correct 5 ms 3304 KB Output is correct
40 Correct 5 ms 3416 KB Output is correct
41 Correct 6 ms 3304 KB Output is correct
42 Correct 7 ms 3456 KB Output is correct
43 Correct 3 ms 2140 KB Output is correct
44 Correct 4 ms 2656 KB Output is correct
45 Correct 5 ms 3304 KB Output is correct
46 Correct 5 ms 3304 KB Output is correct
47 Correct 5 ms 3304 KB Output is correct
48 Correct 5 ms 3304 KB Output is correct
49 Correct 4 ms 2280 KB Output is correct
50 Correct 5 ms 3304 KB Output is correct
51 Correct 5 ms 3424 KB Output is correct
52 Correct 5 ms 3560 KB Output is correct
53 Correct 5 ms 3816 KB Output is correct
54 Correct 4 ms 3304 KB Output is correct
55 Correct 4 ms 3544 KB Output is correct
56 Correct 4 ms 3816 KB Output is correct