void pointer and Casting

Code

#include <stdio.h>

void add_and_print(void *a, void *b, char type) {
    switch (type){
        case 'i':{
            int result = *((int*) a) + *((int*) b);
            printf("%d", result);
        }
        break;

        case 'f':{
            float result = *((float*) a) + *((float*) b);
            printf("%0.1f", result);
        }
        break;
        
        default:{}break;
    }
}

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

 

 

 

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Input

i 10 20

Expected Output

30