Question
#include<stdio.h>
#define MAX(a, b, c) (a>b ? a>c ? a : c: b>c ? b : c)
int main()
{
int x;
x = MAX(3+2, 2+7, 3+7);
printf("%d\n", x);
return 0;
}
What will be the output of the program?
#include<stdio.h>
#define MAX(a, b, c) (a>b ? a>c ? a : c: b>c ? b : c)
int main()
{
int x;
x = MAX(3+2, 2+7, 3+7);
printf("%d\n", x);
return 0;
}
Answer: Option C
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The macro MAX(a, b, c) (a>b ? a>c ? a : c: b>c ? b : c) returns the biggest of given three numbers.
Step 1: int x; The variable x is declared as an integer type.
Step 2: x = MAX(3+2, 2+7, 3+7); becomes,
=> x = (3+2 >2+7 ? 3+2 > 3+7 ? 3+2 : 3+7: 2+7 > 3+7 ? 2+7 : 3+7)
=> x = (5 >9 ? (5 > 10 ? 5 : 10): (9 > 10 ? 9 : 10) )
=> x = (5 >9 ? (10): (10) )
=> x = 10
Step 3: printf("%d`setminus`n", x); It prints the value of 'x'.
Hence the output of the program is "10".
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