Variables & Data Types Questions

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#include<stdio.h>
int main()
{
float i, j;
scanf(%f  %f, &i, &j);
printf(%.2f %.3f, i, j);
return 0;
}

What will be the output for the give input 12.342 and 123.4568

#include<stdio.h>
void main()

{
float me = 1.1; 
double you = 1.1; 
if(me==you)
printf("I love U"); 
else
printf("I hate U"); 
}

#include<stdio.h>
int main(){
    int a=5;
    static int b=a;
    printf("%d %d",a,b);
    return 0;
}

#include<stdio.h>
void main()
{
static int var = 5; 
printf("%d ",var--); 
if(var)
main();
}

#include<stdio.h>
int main(){
    float x;
    x=(int)5.6f*3.2f/sizeof((int)6.6);
    printf("%f",x);
    return 0;
}

#include<stdio.h>
int main(){
    float **(*ptr)[4]=(float **(*)[4])0;
    ptr+=5;
    printf("%d  %d",ptr,sizeof ptr);
    return 0;
}

#include<stdio.h>
int main() { 
extern out; 
printf("%d", out); 
return 0;
} 
int out=100;

#include<stdio.h>
void main()
{
extern int i;
i=20; 
printf("%d",i);
}

Note: 32 bit compiler

#include<stdio.h>
int main(){
    float **(*ptr)[4]=(float **(*)[4])0;
    ptr+=5;
    printf("%d  %d",ptr,sizeof ptr);
    return 0;
}

#include<stdio.h>
int main(){
    float x;
    x=(int)5.6 * 3.2/sizeof((int)6.6);
    printf("%f",x);
    return 0;
}

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