답안 #973871

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
973871 2024-05-02T12:10:05 Z Pekiban JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
23 ms 2004 KB
#include <bits/stdc++.h>

using namespace std;
int f(char c) {
    return c == 'J' ? 2 : c == 'I';
}
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, k;
    cin >> n >> k;
    vector<int> v[3];
    for (int i = 0; i < n; ++i) {
        char c;
        cin >> c;
        v[f(c)].push_back(i);
    }
    auto fnd = [&](int x, char c) {
        return lower_bound(v[f(c)].begin(), v[f(c)].end(), x) - v[f(c)].begin();
    };
    int ans = 1e9;
    for (int i = 0; i < n; ++i) {
        int x = fnd(i, 'J');
        if (x + k - 1 >= v[f('J')].size())    break;
        int y = fnd(v[f('J')][x + k - 1], f('O'));
        if (y + k - 1 >= v[f('O')].size())  break;
        int z = fnd(v[f('O')][y + k - 1], 'I');
        if (z + k - 1 >= v[f('I')].size())  break;
        ans = min(ans,  v[f('I')][z + k - 1] - i - 3*k + 1);
    }
    cout << (ans > n ? -1 : ans) << '\n';
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         if (x + k - 1 >= v[f('J')].size())    break;
      |             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
ho_t2.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         if (y + k - 1 >= v[f('O')].size())  break;
      |             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
ho_t2.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         if (z + k - 1 >= v[f('I')].size())  break;
      |             ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 1 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 0 ms 344 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 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 1 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 0 ms 344 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 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 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 460 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 456 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 452 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 344 KB Output is correct
33 Correct 0 ms 600 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 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 344 KB Output is correct
6 Correct 1 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 0 ms 344 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 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 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 460 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 456 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 452 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 344 KB Output is correct
33 Correct 0 ms 600 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 19 ms 1496 KB Output is correct
37 Correct 21 ms 1688 KB Output is correct
38 Correct 21 ms 1740 KB Output is correct
39 Correct 17 ms 1748 KB Output is correct
40 Correct 7 ms 1952 KB Output is correct
41 Correct 14 ms 1756 KB Output is correct
42 Correct 23 ms 1836 KB Output is correct
43 Correct 3 ms 1368 KB Output is correct
44 Correct 3 ms 1368 KB Output is correct
45 Correct 6 ms 1748 KB Output is correct
46 Correct 4 ms 2004 KB Output is correct
47 Correct 4 ms 1840 KB Output is correct
48 Correct 4 ms 1880 KB Output is correct
49 Correct 3 ms 1236 KB Output is correct
50 Correct 4 ms 1752 KB Output is correct
51 Correct 5 ms 1752 KB Output is correct
52 Correct 4 ms 1496 KB Output is correct
53 Correct 4 ms 1736 KB Output is correct
54 Correct 8 ms 1888 KB Output is correct
55 Correct 5 ms 1888 KB Output is correct
56 Correct 3 ms 1888 KB Output is correct