#include <stdio.h>
void printpattern(int n);
int main() {
int n = 4;
printpattern(n);
//code
return 0;
}
void printpattern(int n){
int i;
if(n == 1){
printf("*\n");
return;
}
printpattern(n-1);
for(i=0;i<2*n-1;i++){
printf("*");
}
printf("\n");
}
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