Computer Programming Contest Preparation

    1 #include <stdio.h>
    2 #include <strings.h>
    3 #include <sys/types.h>
    4 #include <sys/stat.h>
    5 #include <fcntl.h>
    6 #include <stdlib.h>
    7 
    8 /*
    9  *  Author: Unknown
   10  *    Date: 2005-03-07
   11  * Purpose: Contest Practice
   12  * Problem: 377 - Cowculations <http://isaac.lsu.edu/udv/v3/377.html>
   13  */
   14 
   15 #define TRUE  (1 == 1)
   16 #define FALSE (1 != 1)
   17 
   18 #define DEBUG if (FALSE)
   19 
   20 int numberOfTimes;
   21 int num1, num2, num3;
   22 char op[3];
   23 
   24 
   25 int init()
   26 {
   27     /* FUNCTION init */
   28     scanf("%d ", &numberOfTimes);
   29 } /* FUNCTION init */
   30 
   31 void dump()
   32 {
   33     /* FUNCTION dump */
   34 } /* FUNCTION dump */
   35 
   36 void getInput()
   37 {
   38     /* FUNCTION getInput */
   39     int i;
   40 
   41     char buffer[10];
   42     scanf("%s ", buffer);
   43     num1 = convertString(buffer);
   44     scanf("%s ", buffer);
   45     num2 = convertString(buffer);
   46     for (i = 0; i < 3; i++)
   47         {
   48             scanf("%s ", buffer);
   49             op[i] = buffer[0];
   50         }
   51     scanf("%s ", buffer);
   52     num3 = convertString(buffer);
   53 
   54     return ;
   55 } /* FUNCTION getInput */
   56 
   57 int convertString(char string[])
   58 {
   59     int total = 0;
   60     int i;
   61 
   62     for (i = 0; i < strlen(string); i++)
   63         {
   64             total *= 4;
   65 
   66             switch(string[i])
   67                 {
   68                 case 'V':
   69                     break;
   70 
   71                 case 'U':
   72                     total += 1;
   73                     break;
   74 
   75                 case 'C':
   76                     total += 2;
   77                     break;
   78 
   79                 case 'D':
   80                     total += 3;
   81                     break;
   82 
   83                 default:
   84                     DEBUG fprintf(stderr, "Something went wrong in convertString.\n");
   85                     break;
   86                 }
   87         }
   88 
   89     return total;
   90 }
   91 
   92 void process()
   93 {
   94     /* FUNCTION process */
   95     int i;
   96 
   97     for (i = 0; i < 3; i++)
   98         {
   99             switch(op[i])
  100                 {
  101                 case 'A':
  102                     num2 = num1 + num2;
  103                     break;
  104                 case 'R':
  105                     num2 = num2 / 4;
  106                     break;
  107                 case 'L':
  108                     num2 = num2 * 4;
  109                     break;
  110                 case 'N':
  111                     break;
  112 
  113                 default:
  114                     DEBUG fprintf(stderr, "Something went wrong in process().\n");
  115                     break;
  116                 }
  117         }
  118     if (num2 == num3)
  119         {
  120             printf("YES\n");
  121         }
  122     else
  123         {
  124             printf("NO\n");
  125         }
  126 } /* FUNCTION process */
  127 
  128 int main ()
  129 {
  130     /* main */
  131     int i;
  132 
  133     init();
  134     printf("COWCULATIONS OUTPUT\n");
  135     for (i=0; i<numberOfTimes; i++)
  136         {
  137             /* while */
  138             getInput();
  139             process();
  140         } /* while */
  141     printf("END OF OUTPUT\n");
  142 
  143     return EXIT_SUCCESS;
  144 } /* main */
  145