What is the output of following program?# includestdio.hvoid fun(int x){x = 30;}int main(){int y = 20;fun(y);printf('%d', y);return 0;}void fun(int x){x = 30;}int main(){int y = 20;fun(y);printf('%d', y);return 0;}

What is the output of following program?

# includestdio.h
void fun(int x)
{
x = 30;
}
int main()
{
int y = 20;
fun(y);
printf("%d", y);
return 0;
}
void fun(int x)
{
x = 30;
}
int main()
{
int y = 20;
fun(y);
printf("%d", y);
return 0;
}

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What is the output of following program?# includestdio.hvoid fun(int x){x = 30;}int main(){int y = 20;fun(y);printf("%d", y);return 0;}void fun(int x){x = 30;}int main(){int y = 20;fun(y);printf("%d", y);return 0;}

What is the output of following program?

# includestdio.h
void fun(int x)
{
x = 30;
}
int main()
{
int y = 20;
fun(y);
printf("%d", y);
return 0;
}
void fun(int x)
{
x = 30;
}
int main()
{
int y = 20;
fun(y);
printf("%d", y);
return 0;
}