#include <iostream> using namespace std; int main() { int a, b; while (cin>>a) { for(int i=1;i<=a;i++){ int b=a-i; int m=i; while(b!=0){ cout<<" "; b--; } while (m!=0){ cout<<"*"<<" "; m--; } cout<<endl; } } } // 64 位输出请用 printf("%lld")