Pagini recente » Cod sursa (job #2174391) | Cod sursa (job #1724671) | Cod sursa (job #2085859) | Cod sursa (job #2242300) | Cod sursa (job #1042798)
#include<cstdio>
int i,j,n,fr[20],x[20];
FILE *f,*g;
void back(int k){
int i;
if(k>n){
for(i=1;i<=n;i++){
fprintf(g,"%d ",x[i]);
}
fprintf(g,"\n");
return;
}
for(i=1;i<=n;i++){
if(fr[i]==0){
fr[i]=1;
x[k]=i;
back(k+1);
fr[i]=0;
}
}
}
int main(){
f=fopen("permutari.in","r");
g=fopen("permutari.out","w");
fscanf(f,"%d",&n);
back(1);
fclose(f);
fclose(g);
return 0;
}