矩阵的转置

#include <iostream> using namespace std; int **getTranspose(int **list, int rows, int columns) { //创建一个newRow-newCol的转置矩阵 int newRow = columns, newCol = rows; int **trans = new int*[newRow]; for (int i = 0; i < newRow; i++) trans[i] = new int[newCol]; //进行转置 //按转置矩阵的行和列遍历 for (int i = 0; i < newRow; i++) { for (int j = 0; j < newCol; j++) trans[i][j] = list[j][i];//新矩阵的行元素 等于 原矩阵的列元素 } 或者按原矩阵的行和列循环遍历 //for (int i = 0; i < rows; i++) //{ // for (int j = 0; j < columns; j++) // trans[j][i] = list[i][j];//新矩阵的列元素 等于 原矩阵的行元素 //} return trans; } int main() { //请输入矩阵的行和列 cout << "请输入矩阵的行和列：" << endl; int rows = 0, columns = 0; cin >> rows >> columns; cout << "请输入矩阵的各元素：" << endl; int **list = new int*[rows]; for (int i = 0; i < rows; i++) { list[i] = new int[columns]; for (int j = 0; j < columns; j++) cin >> list[i][j]; } for (int i = 0; i < rows; i++) { for (int j = 0; j < columns; j++) cout<< list[i][j]<<" "; cout << endl; } cout << "\n转置之后的矩阵为：" << endl; int ** transpose = getTranspose(list, rows, columns); for (int i = 0; i < columns; i++) { for (int j = 0; j < rows; j++) cout << transpose[i][j]<<" "; cout << endl; } return 0; }