int main(){ int n,i,j,k,rsum[20],csum[20],arr1[20][20];
printf("Enter an integer that is square of an integer:");
scanf("%d", &n);
if(n>=0){ double a=sqrt(n); if(a == round(a)){ printf("\nYour matrix is:\n\n");
for(i = 0; i < a;i++) {
for(j = 0; j < a;j++) {
printf("%d ", rand()%100);
}
printf("\n");}