#include <stdio.h>

double media(int n1, int n2) {
    double m;
    m = (float)(n1 + n2) / 2;
    //return m;
}

int dif(int n1, int n2) {
    int r;
    if(n1>n2) r=n1-n2;
    else r=n2-n1;
    //return r;
}

int main() {
    int a, b;
    double c;
    a = 2;
    b = 5;
    //printf("Ins a: ");scanf("%f",&a); getchar();
    //printf("Ins b: ");scanf("%f",&a); getchar();
    c = media(a, b);
    printf("La media è %f", c);
    printf("La dif è %f", dif(a,b));
    return 0;
}