code.c

#include <stdio.h>

int main(void)
{
    float a, b, c, d, e, all[4], aux, soma=0;
    scanf("%f %f %f %f %f", &a, &b, &c, &d, &e);
    all[0] = a; all[1] = b; all[2] = c; all[3] = d; all[4] = e;
        for(int j=0; j<=4; j++){
            for(int i=0; i<=3; i++)
                if(all[i]>all[i+1]){
                    aux=all[i];
                    all[i]=all[i+1];
                    all[i+1]=aux;
                }
        }

    soma = all[1] + all[2] + all[3];

    printf("%2.1f", (soma));

    return 0;
}