#include<bits/stdc++.h>
using namespace std;
const int MAXN = 410;
char st1[MAXN];
char st2[MAXN];
int prefix[MAXN];
int sufix[MAXN];
int ans;
pair<int, int> pos;
int n1, n2;
int main(){
scanf(" %s", st1);
scanf(" %s", st2);
n1 = strlen(st1);
n2 = strlen(st2);
for(int i = 0; i < n1; i++){
for(int j = 1; j < n1; j++)
swap(st1[j - 1], st1[j]);
for(int j = 0; j < n2; j++){
prefix[j] = 0;
sufix[j] = 0;
for(int k = 0; k < min(n1, n2); k++){
if(st1[k] == st2[(j + k) % n2]) prefix[j]++;
else break;
}
for(int k = 0; k < min(n1, n2); k++){
if(st1[n1 - k - 1] == st2[(j - k + n2) % n2]) sufix[j]++;
else break;
}
}
// printf("%s\n", st1);
// printf("%s\n", st2);
for(int j = 0; j < n2; j++){
for(int k = (j + prefix[j]) % n2; k != j; k++, k %= n2){
int aux = (k - j + n2) % n2 + 1;
if(prefix[j] + sufix[k] >= aux) ans = max(ans, min(aux, min(n1, n2)));
}
// printf("\tp[%d] = %d, s[%d] = %d\n", j, prefix[j], j, sufix[j]);
}
}
reverse(st2, st2 + n2);
for(int i = 0; i < n1; i++){
for(int j = 1; j < n1; j++)
swap(st1[j - 1], st1[j]);
for(int j = 0; j < n2; j++){
prefix[j] = 0;
sufix[j] = 0;
for(int k = 0; k < min(n1, n2); k++){
if(st1[k] == st2[(j + k) % n2]) prefix[j]++;
else break;
}
for(int k = 0; k < min(n1, n2); k++){
if(st1[n1 - k - 1] == st2[(j - k + n2) % n2]) sufix[j]++;
else break;
}
}
// printf("%s\n", st1);
// printf("%s\n", st2);
for(int j = 0; j < n2; j++){
for(int k = (j + prefix[j]) % n2; k != j; k++, k %= n2){
int aux = (k - j + n2) % n2 + 1;
if(prefix[j] + sufix[k] >= aux) ans = max(ans, min(aux, min(n1, n2)));
}
// printf("\tp[%d] = %d, s[%d] = %d\n", j, prefix[j], j, sufix[j]);
}
}
printf("%d\n", ans);
}
Compilation message
necklace.cpp: In function 'int main()':
necklace.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
18 | scanf(" %s", st1);
| ~~~~~^~~~~~~~~~~~
necklace.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
19 | scanf(" %s", st2);
| ~~~~~^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
17 ms |
384 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
17 ms |
384 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
17 ms |
384 KB |
Unexpected end of file - int32 expected |
2 |
Halted |
0 ms |
0 KB |
- |