18/09/18 07:43:40.10 jA0T/PMd.net
#include<stdlib.h>
#define N 5
int b[N];
//char * u[] = {"0","1","2","3","4"};
char * u[] = {"志学","而立","不惑","知命","耳順","従心"};
void fill(int k){
int i,j;
if(k < N){
for(i=0;i<N;i++){
for(j=0; j < k && b[j]!=i; j++);
;
if(j==k){
b[k] = i;
fill(k+1);
}
}
}
else{
for(i = 0;i < N; i++){
printf("%s ", u[b[i]] );
}
printf("\n");
}
}
int main(){
printf("all around\n");
fill(0);
return 0;
}