Created
June 12, 2017 19:22
-
-
Save tmdroid/285b0427d24c497ca1aacec8e119e292 to your computer and use it in GitHub Desktop.
Crisztinel
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <stdio.h> | |
int frec[10], st[10]; | |
int k, n; | |
int verif() { | |
int i, j; | |
for(i = 0; i < k - 1; i++) { | |
for(j = i + 1; j < k; j++) { | |
if(st[i] == st[j]) return 0; | |
} | |
} | |
return 1; | |
} | |
void back(int l) { | |
if(l == k) { | |
if(verif()) { | |
int i; | |
for (i = 0; i < l; i++) { | |
printf("%d", st[i]); | |
} | |
printf("\n"); | |
} | |
} else { | |
int i; | |
for (i = 0; i < 10; i++) { | |
if(frec[i]) { | |
st[l] = i; | |
back(l + 1); | |
} | |
} | |
} | |
} | |
int main() { | |
int nr[20]; | |
int nrr = 0, i; | |
do { | |
scanf("%d", &n); | |
if(n == 0) | |
break; | |
nr[nrr++] = n; | |
} while(n != 0); | |
for(i = 0; i < nrr; i++) { | |
int x = nr[i]; | |
while(x) { | |
int c = x % 10; | |
frec[c] = 1; | |
x = x / 10; | |
} | |
} | |
printf("k = "); | |
scanf("%d", &k); | |
back(0); | |
return 0; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment