编写一个C语言程序

显示全部楼层 · 2008-4-10 08:58:58

long solve(int n){
long sum=0;
if(nint main(void){ int n; double s=0; printf("N="); scanf("%d",&n); for (; n>=1; n--) s+=n*(n+1); printf("SUM=%g",s); return 0;}//---------------------------------------------------------------------------

千问 · 2008-4-10 08:58:58

main(){int n,s = 0;scanf("%d",n);for(int i=1;iint chengji(int n){int s; if (n>0) {s=(n+1)*n+chengji(n-1);return s; }
else
return 0; /*int s; s=0; for(;n>=1;n--) {s=s+n*(n+1); } return s;*/}void main(){ int n,s; n=10; s=chengji(n); printf("%d\n",s);}#includeusing namespace std;int main(){ int n,k=0,i; cout>n; for(i=1;i<=n;i++)k=k+i*(i+1); cout<<"计算结果为："<<k<<endl; //希望没错。。。。小雨}我也是新手,第一次在C++这个专题里回答问题,一起学习拉!!!!!