Submission #881753

# Submission time Handle Problem Language Result Execution time Memory
881753 2023-12-01T20:21:28 Z AlphaMale06 JJOOII 2 (JOI20_ho_t2) C++14
100 / 100
10 ms 4832 KB
#include <bits/stdc++.h>

using namespace std;
#define int long long
#define pb push_back



signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    int L, R;
    vector<int> posj, poso, posi;
    int pos[n];
    for(int i=0; i< n; i++){
        if(s[i]=='J'){
            posj.pb(i);
            pos[i]=posj.size()-1;
        }
        else if(s[i]=='O'){
            poso.pb(i);
            pos[i]=poso.size()-1;
        }
        else{
            posi.pb(i);
            pos[i]=posi.size()-1;
        }
    }
    int szj, szo, szi;
    szj=posj.size(); szo=poso.size(); szi=posi.size();
    int ans=1e9;
    for(int i=0; i+k<=szj; i++){
        int ind=posj[i+k-1];
        auto its=upper_bound(poso.begin(), poso.end(), ind);
        if(its==poso.end())break;
        int ind2=*its;
        ind2=pos[ind2];
        ind2+=k-1;
        if(ind2>=szo)break;
        its=upper_bound(posi.begin(), posi.end(), poso[ind2]);
        if(its==posi.end())break;
        int ind3=*its;
        ind3=pos[ind3];
        ind3+=k-1;
        if(ind3>=szi)break;
        ans=min(ans, posi[ind3]-posj[i]-3*k+1);
    }
    if(ans>1e8)cout << -1 << '\n';
    else cout << ans << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:17:9: warning: unused variable 'L' [-Wunused-variable]
   17 |     int L, R;
      |         ^
ho_t2.cpp:17:12: warning: unused variable 'R' [-Wunused-variable]
   17 |     int L, R;
      |            ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 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 0 ms 452 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 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 0 ms 452 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 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 464 KB Output is correct
24 Correct 1 ms 344 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 596 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 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 0 ms 452 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 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 464 KB Output is correct
24 Correct 1 ms 344 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 596 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 8 ms 3904 KB Output is correct
37 Correct 10 ms 4564 KB Output is correct
38 Correct 10 ms 4396 KB Output is correct
39 Correct 8 ms 4520 KB Output is correct
40 Correct 6 ms 4564 KB Output is correct
41 Correct 7 ms 4564 KB Output is correct
42 Correct 9 ms 4564 KB Output is correct
43 Correct 3 ms 2940 KB Output is correct
44 Correct 3 ms 3288 KB Output is correct
45 Correct 4 ms 4504 KB Output is correct
46 Correct 4 ms 4504 KB Output is correct
47 Correct 4 ms 4680 KB Output is correct
48 Correct 4 ms 4492 KB Output is correct
49 Correct 3 ms 3028 KB Output is correct
50 Correct 4 ms 4536 KB Output is correct
51 Correct 4 ms 4564 KB Output is correct
52 Correct 4 ms 4036 KB Output is correct
53 Correct 4 ms 4428 KB Output is correct
54 Correct 4 ms 4832 KB Output is correct
55 Correct 3 ms 4832 KB Output is correct
56 Correct 3 ms 4832 KB Output is correct