tano solari

/* enswmatwsh vivliothikwn */#include <stdio.h>/* Protwtypa synarthsewn  - SYMPLHRWSTE ANALOGA */void compare(float,float);/* Orismos synartisewn - SYMPLHRWSTE ANALOGA  */void compare(float num1,float num2){float diairesi;   switch(num1, num2){  case "(num1>0) && (num2>0)":    if (num1>num2){      diairesi=(num2/num1);      printf("To %.2f / %.2f mas kanei %.2f \n", num2,num1,diairesi);}  case "(num1>0) && (num2<0)" :    printf("O prwtos arithmos einai thetikos oxi omws o deuteros \n");  case "(num1<0) && (num2>0)":    printf("O deuteros arithmos einai thetikos oxi omws kai o prwtos \n");  case "(num1<0) && (num2<0)":    printf("Oute o prwtos, oute kai o deuteros einai thetikoi arithmoi");      }}}int main(){  /* Dilosi metavlitwn */  float num1, num2;    /* Diavasma dedomenwn */  printf("Tha dwseis dyo arithmous\n");                  printf("Dwse prwto arithmo: ");  scanf("%f", &num1);  printf("Dwse deytero arithmo: ");  scanf("%f", &num2);  /*Kalesma synartisis */  compare(num1, num2);      return(0);}