Question

Please explain this program? Why the answer of the program is 1621 ?

#include

int main()
{
int i;

for(i=0;i<20;i++)
{
switch(i)
{
case 0: i+=5;
case 1: i+=2;
case 5: i+=5;
default: i+=4;
}
printf("%d", i);
}
return 0;
}

Answer 1

Answer:

int main()

{

int x = 2;

switch (x) {

x--;

switch (x) {

case 1:

printf("Hello");

break;

case 2:

printf("GFG");

break;

case 3:

printf("Welcome");

break;

default:

printf("BYE");

}

}

return (0);