#include <stdio.h>
void writeX(int n){
int i;
for(i=0;i<n;i++){
}
}
void figure( int n ){
if(n>0){
figure(n-1);
writeX(n);
return figure(n-1);
}
}
int main(void) {
int n;
figure(n);
return 0;
}
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