为什么我的transposeMatrix函数不起作用？

Question

为什么这段代码不起作用？我该如何改进它？我认为函数应该是void类型。 函数transposeMatrix（）将一个4×5矩阵和一个5×4矩阵作为参数。 函数转置4×5矩阵并将结果存储在5×4矩阵中。

void transposeMatrix(int a, int b, int N[a][b], int M[b][a]) // get 2 arrays 
    {      
     for (int i = 0; i < a; i++) {  // go through arrays 
      for (int j = 0; j < b; j++) 
       M[i][c] = N[i][c]; 
     }   
    } 
    int main(void) 
    { 
     int a = 4, b = 5; 

     int M[b][a] = // fist array 
     { 
      { 0, 10, 22, 30 }, 
      { 4, 50, 6, 77 }, 
      { 80, 9, 1000, 111 }, 
      { 12, 130, 14, 15 }, 
      { 16, 17, 102, 103 } 

     }; 

     int N[a][b] = // second array 
     { 
      { 1, 2, 3, 4, 5 }, 
      { 1, 2, 3, 4, 5 }, 
      { 1, 2, 3, 4, 5 }, 
      { 1, 2, 3, 4, 5 } 
     }; 

     printf("array M\n"); 
     for (int i = 0; i < a; i++) { 
      for (int c = 0; c < b; i++) 
       printf("%4i", M[i][c]); 

      printf("\n"); 
      } 
     transposeMatrix(a, b, N, M); // call function 

      printf("array M after transposeMatrix function/n "); 
      for (int i = 0; i < a; i++) { 
       for (int c = 0; c < b; i++) 

       printf("%4i", M[i][c]); 

      printf("\n"); 
      } 
     return 0; 
    } 

Answer 1

每次我们转置我们使用atranspose [i] [j] = a [j] [i]。

鉴于在你的代码中你正在使用M [i] [c] = N [i] [c] 这是错误的。

#include<iostream> 
using namespace std; 
int main() 
{ 

int matrix[5][5],transpose_matrix[5][5]; 
int i,j,rows,cols; 
// Taking Input In Array 

    cout<<"Enter Number of ROWS :"; 
    cin>>rows; 

    cout<<"Enter Number Of COLS :"; 
    cin>>cols; 
    for(i=0;i<rows;i++){ 
     for(j=0;j<cols;j++) 
     { 
      cin>>matrix[i][j]; 
     } 
     } 

     cout<<"\n Matrix You Entered\n"; 

    for(i=0;i<rows;i++){ 
     for(j=0;j<cols;j++) 
     { 
      cout<<matrix[i][j]<<"  "; 
     } 
     cout<<endl; 
     } 



     // Calculating Transpose of Matrix 
    cout<<"\n\n\nTranspose of Entered Matrix\n"; 
    for(i=0;i<rows;i++){ 
     for(j=0;j<cols;j++) 
     { 
      transpose_matrix[j][i]=matrix[i][j]; 
     } 
     cout<<endl; 
     } 


     //Displaying Final Resultant Array 
    for(i=0;i<cols;i++){ 
     for(j=0;j<rows;j++) 
     { 
      cout<<transpose_matrix[i][j]<<" "; 
     } 
     cout<<endl; 
     } 

return 0; }