数学趣题——排列组合

   1: #include <stdio.h>

   2:  

   3: int main()

   4: {

   5:     int red, yellow, green;

   6:     for (red=0; red<=3; ++red)

   7:         for (yellow=0; yellow<=3; ++yellow)

   8:             for (green=2; green<=6; ++green)

   9:                 if(red + yellow + green == 8)

  10:                     printf("%d   %d    %d\n", red, yellow, green);

  11:     return 0;

  12: }