Sum and Difference of Two Numbers Hackerrank Solution - C Language Code: #include < stdio.h > #include < string.h > #include < math.h > #include < stdlib.h > int main() { int a,b; float c,d; scanf( "%d %d %f %f" ,&a,&b,&c,&d); int sum1 = a+b; int diff1 = a-b; float sum2 = c+d; float diff2 = c-d; printf( "%d %d\n" ,sum1,diff1); printf( "%.1f %.1f" ,sum2,diff2); return 0 ; }