DayoftheYear.c

/*Day of year*/  
  
#include <stdio.h>
#include <conio.h>  
 
int Td (int d, int m, int a){
int mes[13], i, soma = 0;
  
mes[0] = 0; 
mes[1] = mes[3] = mes[5] = mes[7] = mes[8] = mes[10] = mes[12] = 31;
  
    //Checks if the year is leap
    if ((a % 4) == 0)
        mes[2] = 29;
    else
        mes[2] = 28;
  
mes[4] = mes[6] = mes[9] = mes[11] = 30;

for (i = 1; i < m; i++)
    soma += mes[i];

soma += d;
   
return (soma);

}

int main (){
  
int dia, mes, ano, total;
  
printf ("\n Enter the day: "); 
scanf ("%d", &dia); 
printf ("\n Enter month: (de 1 a 12) ");
scanf ("%d", &mes); 
printf ("\n Enter the year: "); 
scanf ("%d", &ano);
  
total = Td (dia, mes, ano);
  
printf ("\n\n Day of year = %d\n", total); 
getch ();
  
return 0;

}