oj.uz

Submission #207832

# Submission time Handle Problem Language Result Execution time Memory
207832 2020-03-09T08:14:22 Z kai824 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 16 ms 1916 KB 
#include "bits/stdc++.h"
using namespace std;

vector<int> js,os,is;//store indexes...

int32_t main() {
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n,k,b1,b2,b3,ans=INT_MAX;
    string s;
    cin>>n>>k>>s;
    for(int i=0;i<n;i++){
      if(s[i]=='J')js.push_back(i);
      else if(s[i]=='O')os.push_back(i);
      else is.push_back(i);
    }
    for(int i=k-1;i<is.size();i++){//must contain at least k of each kind...
      b1=is[i-(k-1)];//first break point...
      b1=(lower_bound(os.begin(),os.end(),b1)-os.begin()) -k;//index in os...
      if(b1<0)continue;
      b2=os[b1];
      b2=(lower_bound(js.begin(),js.end(),b2)-js.begin()) -k;//index in js...
      if(b2<0)continue;
      b2=js[b2];
      ans=min(is[i]-b2+1,ans);
    }
    if(ans==INT_MAX)cout<<"-1\n";
    else cout<<ans-(k*3)<<'\n';
    return 0;
}

Compilation message

ho_t2.cpp: In function 'int32_t main()':
ho_t2.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=k-1;i<is.size();i++){//must contain at least k of each kind...
                   ~^~~~~~~~~~
ho_t2.cpp:8:19: warning: unused variable 'b3' [-Wunused-variable]
     int n,k,b1,b2,b3,ans=INT_MAX;
                   ^~

Subtask #1
1.0 / 1.0

# 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 376 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 380 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 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# 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 376 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 380 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 4 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 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 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 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 380 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 376 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 504 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

Subtask #3
87.0 / 87.0

# 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 376 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 380 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 4 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 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 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 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 380 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 376 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 504 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 15 ms 1404 KB Output is correct
37 Correct 16 ms 1728 KB Output is correct
38 Correct 15 ms 1896 KB Output is correct
39 Correct 14 ms 1912 KB Output is correct
40 Correct 12 ms 1884 KB Output is correct
41 Correct 15 ms 1772 KB Output is correct
42 Correct 16 ms 1784 KB Output is correct
43 Correct 9 ms 1240 KB Output is correct
44 Correct 10 ms 1388 KB Output is correct
45 Correct 14 ms 1788 KB Output is correct
46 Correct 12 ms 1656 KB Output is correct
47 Correct 12 ms 1788 KB Output is correct
48 Correct 12 ms 1916 KB Output is correct
49 Correct 9 ms 1156 KB Output is correct
50 Correct 13 ms 1832 KB Output is correct
51 Correct 12 ms 1660 KB Output is correct
52 Correct 8 ms 1472 KB Output is correct
53 Correct 9 ms 1720 KB Output is correct
54 Correct 10 ms 1788 KB Output is correct
55 Correct 8 ms 1788 KB Output is correct
56 Correct 7 ms 1788 KB Output is correct