#include<stdio.h> int main(){ int n=0; scanf("%d",&n); int new_start=1,temp=0; for(int i=0;i<n;i++){ new_start += i; temp = new_start; printf("%d ",temp); for(int j=i+2;j<n+1;j++){ temp += j; printf("%d ",temp); } printf("\n"); } return 0; }```