C语言程序设计 五种水果 任选三种不同的组成果盘 共有多少种选择方法

#include <stdlib.h>

int Combination(int sumKindsNum,int selectKindsNum)

int main(int argc, char *argv[])

{

printf("%d\n",Combination(5,4))

system("PAUSE")

return 0

}

int Combination(int sumKindsNum,int selectKindsNum)

{

int tempVal1 = 1

int tempVal2 = 1

int i = sumKindsNum - selectKindsNum + 1

int j = 1

if ( sumKindsNum <selectKindsNum )

{

return 0

}

for( ii <sumKindsNum + 1i++ )

{

tempVal1 *= i

}

for ( jj <selectKindsNum + 1j++ )

{

tempVal2 *= j

}

return tempVal1 / tempVal2

}