Questão dos Resistores - PréProva2

#include <stdlib.h>
#include <stdio.h>
#define mf i=0;i<5;i++


typedef struct cores{
    int a;
    int b;
    int c;
    int d;
}cor;

int main(){
    float tol[12] = {0,1,2,0,0,0.5,0.25,0.1,0.05,0,5,10};
    char zer[][30] = {"0","00","x10³","x10⁴","x10⁵",
                      "x10⁶","x10⁷","x10⁸","x10⁹"};
    cor c[5];
    int i=0,k=1;
    for(mf){
        printf("Menu de cores:\n 0 - Preto\n 1 - Marrom\n 2 - Vermelho\n 3 - Laranja\n 4 - Amarelo\n 5 - Verde\n 6 - Azul\n 7 - Violeta\n 8 - Cinza\n 9 - Branco\n TOLERANCIA:\n 10 - Dourado\n 11 - Prata\n\n ");
        printf("Resistor %d: \n",i+1);
        printf("cor1: ");
        scanf("%d",&c[i].a);
        printf("cor2: ");
        scanf("%d",&c[i].b);
        printf("cor3: ");
        scanf("%d",&c[i].c);
        printf("cor4: ");
        scanf("%d",&c[i].d);
        printf("\n-----------------------\n");
    }
    system("clear");
    printf("Valores:\n");

    for(mf){
        printf("\nResistor %d: %d%d%s",i+1,c[i].a,c[i].b,zer[(c[i].c)-1]);
        printf("ohms com %g de tolerancia. \n",tol[c[i].d]);
        printf("\n------------------------\n");
    }
    //system("PAUSE"); //para funcionar no windows só apagar o getchar e descomentar essa linha
    getchar();
    return 0;
}