刘世杰 • 10个月前
# include<iostream>
using namespace std;
int main(){
int n;
cin >> n;
for(int i = 1;i <= n;i++){
for(int j = 0;j < n - i;j++){
cout << " ";
}
for(int j = 0;j < i * 2 - 1;j++){
cout << i;
}
cout << endl;
}
return 0;
}
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