| using namespace std; | |
| string s; | |
| void proc(char p[12], int l) { | |
| char next[12]; | |
| if (l == s.length()) { | |
| for (int i = 0; i < l; i++) printf("%c", p[i]); | |
| printf("\n"); | |
| } else { | |
| for (int i = 0; i < l; i++) next[i+1] = p[i]; | |
| next[0] = s[l]; | |
| for (int i = 0; i <= l; i++) { | |
| proc(next, l + 1); | |
| char auxi = next[i]; | |
| next[i] = next[i+1]; | |
| next[i+1] = auxi; | |
| } | |
| } | |
| } | |
| int main() { | |
| char p[12]; | |
| bool first = false; | |
| while (cin >> s) { | |
| if (first) printf("\n"); | |
| else first = true; | |
| proc(p, 0); | |
| } | |
| return 0; | |
| } | |