Computer Programming Contest Preparation

ToolBox - Source for: 6/674/a.c



/home/toolbox/public_html/solutions/6/674/a.c
    1 #include <stdio.h>
    2 #include <string.h>
    3 #include <sys/types.h>
    4 #include <sys/stat.h>
    5 #include <fcntl.h>
    6 #include <stdint.h>
    7 #include <math.h>
    8 #include <stdlib.h>
    9 
   10 #define TRUE  (1 == 1)
   11 #define FALSE (1 != 1)
   12 
   13 #define DEBUG if (FALSE)
   14 
   15 
   16 /*
   17  *  Author: Isaac Traxler
   18  *    Date: 2015-03-11
   19  * Purpose: Fun
   20  * Problem: 674
   21  */
   22 
   23 /*
   24  * This template reads lines of data at a time until end of file.
   25  */
   26 
   27 /* Dynamic Programming
   28  * count is the cache (memomization)
   29  * countCoins is the recursive solution
   30  */
   31 
   32 #define MAX_COINS 7500
   33 #define COIN_STOP 7490
   34 #define COIN_TYPES 5
   35 #define INT int
   36 
   37 INT count[MAX_COINS];
   38 INT coins[COIN_TYPES] = { 50, 25, 10, 5, 1 };
   39 INT chg;
   40 
   41 
   42 void init()
   43 {
   44     /* FUNCTION init */
   45     INT i;
   46     INT j;
   47 
   48     count[0] = 1;
   49     for (i=1; COIN_STOP>i; i=i+1)
   50         {
   51             /* for each coin value */
   52             count[i] = 0;
   53         } /* for each coin value */
   54 
   55     for (j=0; COIN_TYPES>j; j++)
   56         {
   57             /* for each coin type */
   58             for (i=0; COIN_STOP>i; i++)
   59                 {
   60                     /* for each possible query */
   61                     if (i >= coins[j])
   62                         {
   63                             /* could be some of this coin */
   64                             count[i] = count[i] + count[i-coins[j]];
   65                         } /* could be some of this coin */
   66                 } /* for each possible query */
   67         } /* for each coin type*/
   68 } /* FUNCTION init */
   69 
   70 void dump()
   71 {
   72     /* FUNCTION dump */
   73 } /* FUNCTION dump */
   74 
   75 int getInput()
   76 {
   77     /* FUNCTION getInput */
   78     int dataReadFlag;
   79 
   80     dataReadFlag = 1 == scanf(" %d ", &chg);
   81     return (dataReadFlag);
   82 } /* FUNCTION getInput */
   83 
   84 
   85 void process()
   86 {
   87     /* FUNCTION process */
   88     printf("%d\n", count[chg]);
   89 } /* FUNCTION process */
   90 
   91 int main()
   92 {
   93     /* main */
   94     int moreToDo;
   95 
   96     init();
   97     moreToDo = getInput();
   98     while (moreToDo)
   99         {
  100             /* while */
  101             process();
  102             moreToDo = getInput();
  103         } /* while */
  104 
  105     return EXIT_SUCCESS;
  106 } /* main */
  107