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void pointer and Casting

Code

#include <stdio.h>




void add_and_print(void *a, void *b, char type) {
    // Write your logic here using type casting
    if(type == 'i')
    {
        int sum = *(int*) a + *(int*) b;
        printf("%d", sum);
    }

    if(type == 'f')
    {
        float sum = *(float*) a + *(float*) b;
        printf("%0.1f", sum);
    }
}

int main() {
    char type;
    scanf(" %c", &type);

    if (type == 'i') {
        int x, y;
        scanf("%d %d", &x, &y);
        add_and_print(&x, &y, type);
    } else if (type == 'f') {
        float x, y;
        scanf("%f %f", &x, &y);
        add_and_print(&x, &y, type);
    }

    return 0;
}

Solving Approach

/*
dynamic casting

# plan
- if type = i then (int*)
- if type = f then (float*)
- then perform the addition and return result

*/

 

 

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Input

i 10 20

Expected Output

30