错了么?
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九洲方除百尺冰,映秀又遭蛮牛耕。汽笛嘶鸣国旗半,哀伤尽处是重生。 -老K
治国就是治吏。礼义廉耻,国之四维。四维不张,国之不国。 -毛泽东
借鉴着改造一下
#include <iostream>
#include<iomanip>
using namespace std;
int main(){
cout<<"input n: ";
int n;
while(!(cin>>n))
{
cout<<"input error\n";
cin.clear();
while(cin.get()!='\n'){}
cout<<"input n : ";
}
int *p=new int[n];
for(int line=0; line<n; line++)
{
for(int list=0; list<n; list++)
{
int tmp1=(line > n-line-1 ? n-line-1: line);
int tmp2=(list > n-list-1 ? n-list-1: list);
int circle=(tmp1 < tmp2 ? tmp1 : tmp2);
if(list >= line)
p
}
delete[]p;
system("pause");
}
1+2+3+...+n=n(n+1)/2 忘了