题解 | #创建二维动态数组#
创建二维动态数组
https://www.nowcoder.com/practice/9e55995c4e5345878a31682e4048a0ed
#include <iostream>
#include <vector>
using namespace std;
int main() {
int n;
cin >> n;
vector<vector<int>> arr(n, vector<int>(n));
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j){
arr[i][j] = i + j;
}
}
for (const auto &row : arr) {
for (int num : row) {
cout << num << ' ';
}
cout << endl;
}
return 0;
}
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