#include <stdio.h>
int fuga(int x,int y){
int sum=1,i;
if( y==0 ){
return 1;
}
for(i=0;i<y;i++) sum*=x;
return sum+fuga(x,y-1);
}
int main(void) {
int x=2,y=3,result;
result=fuga(x,y);
}
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