gistfile1.h

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void main(void) {
  int num_problems;
  int problem;
  char* welcome = "welcome to code jam";
  unsigned int ret[strlen(welcome)];
  const int wel_len = strlen(welcome);

  scanf("%d\n", &num_problems);

  for (problem = 1; problem <= num_problems; problem++) {
    int len;
    int i;
    char c;
    for (i = 0; i < wel_len; i ++)
      ret[i] = 0;

    printf("Case #%d: ", problem);
    while (c = getchar()) {
      int j;

      if (c == '\n') break;
      for (j = wel_len - 1; j >= 0 ; j --) {
        if (welcome[j] == c) {
          int previous = (j == 0) ? 1 : ret[j-1];
          ret[j] += previous;
          ret[j] %= 10000;
        }
      }
    }
    printf("%04d\n", ret[wel_len - 1]);
  }
}