oj.uz

답안 #994370

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
994370 2024-06-07T13:48:48 Z rsinventor JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 11 ms 3300 KB 
//
//  main.cpp
//  jjooii_2
//
//  Created by Raunak Singh on 6/7/24.
//

#include "bits/stdc++.h"
using namespace std;
#define ll long long

int main() {
    ll n, k;
    cin >> n >> k;
    string s;
    cin >> s;
    vector<ll> jidxs;
    vector<ll> oidxs;
    vector<ll> iidxs;
    for(ll i = 0; i < n; i++) {
        if(s[i]=='J') {
            jidxs.push_back(i);
        } else if(s[i]=='O') {
            oidxs.push_back(i);
        } else if(s[i]=='I') {
            iidxs.push_back(i);
        }
    }
    if(jidxs.size()<k || iidxs.size()<k || oidxs.size()<k) {
        cout << -1 << endl;
        return 0;
    }
    ll ans = -1;
    for(ll i = 0; i < jidxs.size()-k+1; i++) {
//        ll pos = 0;
//        for(ll j = i; j < i+k-1; j++) {
//            pos += jidxs[j+1] - jidxs[j] - 1;
//        }
        ll o_idx = lower_bound(oidxs.begin(), oidxs.end(), jidxs[i+k-1]) - oidxs.begin();
        if(o_idx+k-1>=oidxs.size()) {
            continue;
        }
//        for(ll j = o_idx; j < o_idx+k-1; j++) {
//            pos += oidxs[j+1] - oidxs[j] - 1;
//        }
        ll i_idx = lower_bound(iidxs.begin(), iidxs.end(), oidxs[o_idx+k-1]) - iidxs.begin();
        if(i_idx+k-1>=iidxs.size()) {
            continue;
        }
//        for(ll j = i_idx; j < i_idx + k -1; j++) {
//            pos += iidxs[j+1] - iidxs[j] - 1;
//        }
        ll pos = iidxs[i_idx+k-1] - jidxs[i] - 3*k + 1;
        if(ans==-1 || pos < ans) {
            ans = pos;
        }
    }
    cout << ans << endl;
    
    return 0;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:29:20: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   29 |     if(jidxs.size()<k || iidxs.size()<k || oidxs.size()<k) {
      |        ~~~~~~~~~~~~^~
ho_t2.cpp:29:38: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   29 |     if(jidxs.size()<k || iidxs.size()<k || oidxs.size()<k) {
      |                          ~~~~~~~~~~~~^~
ho_t2.cpp:29:56: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   29 |     if(jidxs.size()<k || iidxs.size()<k || oidxs.size()<k) {
      |                                            ~~~~~~~~~~~~^~
ho_t2.cpp:34:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare]
   34 |     for(ll i = 0; i < jidxs.size()-k+1; i++) {
      |                   ~~^~~~~~~~~~~~~~~~~~
ho_t2.cpp:40:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if(o_idx+k-1>=oidxs.size()) {
      |            ~~~~~~~~~^~~~~~~~~~~~~~
ho_t2.cpp:47:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         if(i_idx+k-1>=iidxs.size()) {
      |            ~~~~~~~~~^~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 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 1 ms 344 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 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 1 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 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 1 ms 344 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 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 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 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 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 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 348 KB Output is correct

Subtask #3
87.0 / 87.0

# 결과 실행 시간 메모리 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 1 ms 344 KB Output is correct
6 Correct 0 ms 348 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 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 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 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 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 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 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 348 KB Output is correct
36 Correct 11 ms 2512 KB Output is correct
37 Correct 11 ms 3024 KB Output is correct
38 Correct 11 ms 2876 KB Output is correct
39 Correct 11 ms 2884 KB Output is correct
40 Correct 9 ms 2860 KB Output is correct
41 Correct 11 ms 3036 KB Output is correct
42 Correct 11 ms 3036 KB Output is correct
43 Correct 5 ms 1956 KB Output is correct
44 Correct 6 ms 1884 KB Output is correct
45 Correct 9 ms 2876 KB Output is correct
46 Correct 9 ms 3064 KB Output is correct
47 Correct 9 ms 3032 KB Output is correct
48 Correct 8 ms 3000 KB Output is correct
49 Correct 5 ms 1996 KB Output is correct
50 Correct 9 ms 3004 KB Output is correct
51 Correct 10 ms 3032 KB Output is correct
52 Correct 6 ms 2508 KB Output is correct
53 Correct 7 ms 2900 KB Output is correct
54 Correct 8 ms 3300 KB Output is correct
55 Correct 6 ms 3300 KB Output is correct
56 Correct 6 ms 3300 KB Output is correct