oj.uz

답안 #335627

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
335627 2020-12-13T11:21:55 Z Joshc JJOOII 2 (JOI20_ho_t2) C++11
100 / 100
 23 ms 1772 KB 
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
    int n, k, ans=1e9;
    scanf("%d%d", &n, &k);
    char c;
    vector<int> j, o, i;
    for (int l=0; l<n; l++) {
        scanf(" %c", &c);
        if (c == 'J') j.push_back(l);
        else if (c == 'O') o.push_back(l);
        else i.push_back(l);
    }
    for (int s=0; s<j.size()-k+1; s++) {
        int cur = j[s+k-1];
        if (cur > o.back()) break;
        cur = lower_bound(o.begin(), o.end(), cur)-o.begin();
        if (cur+k > o.size()) break;
        cur = o[cur+k-1];
        if (cur > i.back()) break;
        cur = lower_bound(i.begin(), i.end(), cur)-i.begin();
        if (cur+k <= i.size()) ans = min(ans, i[cur+k-1]-j[s]+1);
    }
    printf("%d\n", ans==1e9 ? -1 : ans-3*k);
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int s=0; s<j.size()-k+1; s++) {
      |                   ~^~~~~~~~~~~~~
ho_t2.cpp:21:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         if (cur+k > o.size()) break;
      |             ~~~~~~^~~~~~~~~~
ho_t2.cpp:25:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         if (cur+k <= i.size()) ans = min(ans, i[cur+k-1]-j[s]+1);
      |             ~~~~~~^~~~~~~~~~~
ho_t2.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%d%d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~
ho_t2.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |         scanf(" %c", &c);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 376 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 1 ms 364 KB Output is correct
28 Correct 1 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
87.0 / 87.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 0 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 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 376 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 1 ms 364 KB Output is correct
28 Correct 1 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 21 ms 1380 KB Output is correct
37 Correct 22 ms 1700 KB Output is correct
38 Correct 22 ms 1720 KB Output is correct
39 Correct 21 ms 1744 KB Output is correct
40 Correct 18 ms 1644 KB Output is correct
41 Correct 20 ms 1644 KB Output is correct
42 Correct 23 ms 1644 KB Output is correct
43 Correct 11 ms 1136 KB Output is correct
44 Correct 14 ms 1280 KB Output is correct
45 Correct 18 ms 1772 KB Output is correct
46 Correct 18 ms 1640 KB Output is correct
47 Correct 19 ms 1644 KB Output is correct
48 Correct 23 ms 1768 KB Output is correct
49 Correct 13 ms 1256 KB Output is correct
50 Correct 19 ms 1660 KB Output is correct
51 Correct 17 ms 1644 KB Output is correct
52 Correct 14 ms 1404 KB Output is correct
53 Correct 17 ms 1692 KB Output is correct
54 Correct 18 ms 1764 KB Output is correct
55 Correct 16 ms 1764 KB Output is correct
56 Correct 15 ms 1764 KB Output is correct