题解 | #蛇形矩阵#

#include <iostream>
#include <vector>
using namespace std;

int main(int argc, char* argv[]){
    int N;
    cin >> N;
    int startNum = 1;
    for(int i = 0; i < N; ++i){
        startNum += i;
        cout << startNum << " ";
        int startPlus = i + 2;
        for(int j = 1; j < N - i; ++j){
            cout << startNum + startPlus << " ";
            startPlus +=  i + j + 2 ;
        }
        cout << endl;
    }

    return 0;
}