Question

#include <stdio.h>
int main()
{
int i,j,k;
for(i=1;i<=4;i++)
{
printf("%d",k=i);
for(j=4;j>i;j--)
printf("%d",k+=j);
printf("\n");
}
return 0;
}​

Answer 1

Answer:  

15810

269

37

4

Explanation: