Submission #94428

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
94428	2019-01-18T12:03:03 Z	choikiwon	Joyful KMP (KRIII5_JK)	C++17	2 / 7	58 ms	6472 KB

JK

#include<bits/stdc++.h>
using namespace std;

typedef long long ll;

const int mod = 1e9 + 7;
const int MN = 1000010;

string S;
ll K;
int pi[MN];

int main() {
    std::ios::sync_with_stdio(false);

    cin >> S >> K;

    int ans = 26;
    for(int i = 1, j = 0; i < S.size(); i++) {
        vector<int> chk(26, 0);
        int cnt = 0;
        while(j && S[i] != S[j]) {
            if(!chk[ S[j] - 'a' ]) {
                chk[ S[j] - 'a' ] = 1;
                cnt++;
            }
            j = pi[j - 1];
        }
        if(S[i] == S[j]) {
            pi[i] = ++j;
        }
        else {
            if(!chk[ S[0] - 'a' ]) cnt++;
            ans = 1LL * ans * (26 - cnt) % mod;
        }
    }

    cout << ans << endl;
}

Compilation message

JK.cpp: In function 'int main()':
JK.cpp:19:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 1, j = 0; i < S.size(); i++) {
                           ~~^~~~~~~~~~

Subtask #1

2.0 / 1.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	2 ms	376 KB	Output is partially correct
2	Partially correct	2 ms	376 KB	Output is partially correct
3	Partially correct	2 ms	376 KB	Output is partially correct
4	Partially correct	2 ms	516 KB	Output is partially correct
5	Partially correct	51 ms	6396 KB	Output is partially correct
6	Partially correct	51 ms	6344 KB	Output is partially correct
7	Partially correct	52 ms	6396 KB	Output is partially correct
8	Partially correct	54 ms	6404 KB	Output is partially correct
9	Partially correct	50 ms	6396 KB	Output is partially correct
10	Partially correct	2 ms	376 KB	Output is partially correct
11	Partially correct	2 ms	376 KB	Output is partially correct
12	Partially correct	2 ms	376 KB	Output is partially correct
13	Partially correct	2 ms	376 KB	Output is partially correct
14	Partially correct	3 ms	376 KB	Output is partially correct
15	Partially correct	5 ms	760 KB	Output is partially correct
16	Partially correct	8 ms	1016 KB	Output is partially correct
17	Partially correct	29 ms	3444 KB	Output is partially correct
18	Partially correct	54 ms	6284 KB	Output is partially correct
19	Partially correct	54 ms	6400 KB	Output is partially correct
20	Partially correct	58 ms	6412 KB	Output is partially correct
21	Partially correct	58 ms	6396 KB	Output is partially correct
22	Partially correct	57 ms	6400 KB	Output is partially correct
23	Partially correct	47 ms	6396 KB	Output is partially correct
24	Partially correct	49 ms	6400 KB	Output is partially correct
25	Partially correct	47 ms	6364 KB	Output is partially correct
26	Partially correct	47 ms	6400 KB	Output is partially correct
27	Partially correct	46 ms	6400 KB	Output is partially correct
28	Partially correct	47 ms	6400 KB	Output is partially correct
29	Partially correct	46 ms	6292 KB	Output is partially correct
30	Partially correct	49 ms	6396 KB	Output is partially correct
31	Partially correct	47 ms	6396 KB	Output is partially correct
32	Partially correct	48 ms	6396 KB	Output is partially correct
33	Partially correct	48 ms	6400 KB	Output is partially correct
34	Partially correct	49 ms	6400 KB	Output is partially correct
35	Partially correct	50 ms	6400 KB	Output is partially correct
36	Partially correct	47 ms	6396 KB	Output is partially correct
37	Partially correct	48 ms	6400 KB	Output is partially correct
38	Partially correct	48 ms	6472 KB	Output is partially correct
39	Partially correct	49 ms	6388 KB	Output is partially correct
40	Partially correct	53 ms	6400 KB	Output is partially correct
41	Partially correct	49 ms	6396 KB	Output is partially correct
42	Partially correct	48 ms	6396 KB	Output is partially correct
43	Partially correct	49 ms	6396 KB	Output is partially correct
44	Partially correct	48 ms	6396 KB	Output is partially correct
45	Partially correct	49 ms	6400 KB	Output is partially correct
46	Partially correct	51 ms	6400 KB	Output is partially correct
47	Partially correct	49 ms	6400 KB	Output is partially correct
48	Partially correct	48 ms	6396 KB	Output is partially correct
49	Partially correct	48 ms	6396 KB	Output is partially correct
50	Partially correct	49 ms	6400 KB	Output is partially correct