数字三角形 题解

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for (int i=1;i<=n;i++){
        int cnt=1,c=n-i+1;
        for (int j=1;j<=i-1;j++) cout<<"     ";
        while (c>0){
            cout<<setw(5)<<cnt;
            cnt++;
            c--;
        }
        cout<<endl;
    }
    return 0;
}