[英]a program for transposing a matrix but in this program in printing result it has a bug
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int main(){
int m,n,i,j,t;
printf("in order enter line and column of matrix :");
scanf("%d%d",&n,&m);
int a[n][m],b[m][n];
for(i=0;i<n;i++){
for(j=0;j<m;j++){
printf("a[%d][%d]= ",i+1,j+1);
scanf("%d",&a[i][j]);
}
}
printf("first matrix:\n");
for(i=0;i<n;i++){
for(j=0;j<m;j++){
printf("%d ",a[i][j]);
}
printf("\n\n");
}
for(i=0;i<n;i++){
for(j=0;j<m;j++){
b[j][i]=a[i][j];
}
}
printf("transposed matrix:\n");
for(i=0;i<m;i++){
for(j=0;j<n;j++){
printf("%d ",b[j][i]);
}
printf("\n\n");
}
}
a program for transposing a matrix but in this program in printing result it has a bug, for example, this program for a Square matrix print first matrix一个用于转置矩阵的程序,但在这个程序中打印结果它有一个错误,例如,这个用于方形矩阵的程序打印第一个矩阵
You've interchanged the row and column indices.您已经交换了行索引和列索引。 Printing
b[i][j]
works fine.打印
b[i][j]
工作正常。 Even with non square matrices.即使是非方阵。
printf("transposed matrix:\n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("%d ",b[i][j]);
}
printf("\n\n");
}
Here is an example:这是一个例子:
a[1][1]= 1
a[1][2]= 2
a[2][1]= 3
a[2][2]= 4
a[3][1]= 5
a[3][2]= 6
first matrix:
1 2
3 4
5 6
transposed matrix:
1 3 5
2 4 6
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