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Control Instructions - Programming

Q1:

What will be the output of the program? 
#include<stdio.h>
int main()
{
    int i = 1;
    switch(i)
    {
        printf('Hello\n');
        case 1:
            printf('Hi\n');
            break;
        case 2:
            printf('\nBye\n');
            break;
    }
    return 0;
}

A Hello
Hi

B Hello
Bye

C Hi

D Bye

ANS:A - Hello
Hi

switch(i) has the variable i it has the value '1'(one). Then case 1: statements got executed. so, it prints 'Hi'. The break; statement make the program to be exited from switch-case statement. switch-case do not execute any statements outside these blocks case and default Hence the output is 'Hi'.