C programming - Type casting

Question

Please explain the output for the following program:

 

#include<stdio.h>

int main() {
    
    int i = 100;
    int *a = &i;
    float *f = (float *)a;
    
    (*f)++;
    
    printf("%d", *a); //getting some garbage value
}

Comments

@garvit_vijai,

unknowingly, you took the toughest example... for understanding this you need the concept of how floating points represents in memory.

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printf (" *f=%d ", *f);
gives 17?why?

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make it as comment not as answer

the similar concept is https://gateoverflow.in/241739/nptel