S=2方!+3方!
#include<stdio.h> int cal(int n) { int sum=1,i; for(i=1;i<=n;i++) //sum*=i; sum=sum*i; return sum; } int main(){ int i,j,sum,k; i = 2*2; j=3*3; sum = cal(i) +cal(j); printf("sum=%d",sum); return 0; }
#include<stdio.h> int cal(int n) { int sum=1,i; for(i=1;i<=n;i++) //sum*=i; sum=sum*i; return sum; } int main(){ int i,j,sum,k; i = 2*2; j=3*3; sum = cal(i) +cal(j); printf("sum=%d",sum); return 0; }