Submission #202452

# Submission time Handle Problem Language Result Execution time Memory
202452 2020-02-16T07:33:54 Z Kastanda JJOOII 2 (JOI20_ho_t2) C++11
100 / 100
43 ms 5368 KB
// In The Name Of The Queen
#include<bits/stdc++.h>
using namespace std;
const int N = 200005;
int n, k, P[3][N], Nxt[3][N];
char S[N];
int main()
{
    scanf("%d%d%s", &n, &k, S + 1);
    S[++ n] = 'J';
    for (int i = 1; i <= n; i ++)
    {
        if (S[i] == 'J') S[i] = 0;
        if (S[i] == 'O') S[i] = 1;
        if (S[i] == 'I') S[i] = 2;
    }
    for (int w = 0; w <= 2; w ++)
        for (int i = 1; i <= n; i ++)
            P[w][i] = P[w][i - 1] + (S[i] == w);
    for (int w = 0; w <= 2; w ++)
        for (int i = 1; i <= n; i ++)
            Nxt[w][i] = lower_bound(P[w], P[w] + n + 1, P[w][i - 1] + k) - P[w];
    int Mn = n + 1;
    for (int l = 1; l <= n; l ++)
    {
        int nw = l;
        for (int w = 0; w <= 2; w ++)
            if (nw <= n)
                nw = Nxt[w][nw] + 1;
        if (nw <= n)
            Mn = min(Mn, nw - l - k * 3);
    }
    if (Mn > n)
        Mn = -1;
    return !printf("%d\n", Mn);
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%s", &n, &k, S + 1);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 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 372 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 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 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 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 372 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 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 5 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 380 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 504 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 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 428 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
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 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 372 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 4 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 5 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 380 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 504 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 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 428 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 37 ms 4856 KB Output is correct
37 Correct 41 ms 5240 KB Output is correct
38 Correct 40 ms 5240 KB Output is correct
39 Correct 40 ms 5112 KB Output is correct
40 Correct 37 ms 5240 KB Output is correct
41 Correct 38 ms 5368 KB Output is correct
42 Correct 40 ms 5240 KB Output is correct
43 Correct 24 ms 3320 KB Output is correct
44 Correct 29 ms 4088 KB Output is correct
45 Correct 36 ms 5240 KB Output is correct
46 Correct 35 ms 5240 KB Output is correct
47 Correct 35 ms 5240 KB Output is correct
48 Correct 35 ms 5240 KB Output is correct
49 Correct 25 ms 3580 KB Output is correct
50 Correct 35 ms 5240 KB Output is correct
51 Correct 43 ms 5240 KB Output is correct
52 Correct 28 ms 4984 KB Output is correct
53 Correct 29 ms 5240 KB Output is correct
54 Correct 31 ms 5240 KB Output is correct
55 Correct 28 ms 5240 KB Output is correct
56 Correct 26 ms 5240 KB Output is correct