Question

How to print lexicographic permutations of 0, 1 and 2 in C

Answer 1

#include <stdio.h>
   
int main(void) {
  
    for (int i = 0; i < 3; i++) {  
        for (int j = 0; j < 3; j++) {  
            for (int k = 0; k < 3; k++) {  
                if (i != j && i != k && j != k) {
                    printf("%d%d%d\n", i, j, k); 
                }
            }  
        }  
    }  
       
    return 0;
}
   
   
   
     
/*
run:
     
012
021
102
120
201
210
   
*/

 

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