题解 | #像素翻转#
像素翻转
https://www.nowcoder.com/practice/17ab1e527c504df09a600e1af09d9a60
#include <vector> class Transform { public: vector<vector<int> > transformImage(vector<vector<int> > mat, int n) { // write code here vector<int> a; vector<vector<int> > res(n,a); for(int i=0;i<n;i++){ for(int j=n-1;j>=0;j--){ res[i].push_back(mat[j][i]); } } return res; } };
初始化一个空的多维数组,按顺序push_back~~