程序代写代做代考 /*

/*
* Filename: main.c
* Description: Main driver for matrix manipulating functions
* Date: Feb. 2020
* Name:
*/

#include // printf()

#define N 4

void copy(void *, void *, int);
// void transpose(void *, int );
// void reverseColumns(void *, int n);
void printMatrixByRow(void *, int);

char A[N][N] = { 1, -2, 3, -4,
-5, 6, -7, 8,
-1, 2, -3, 4,
5, -6, 7, -8};

char C[N][N];

void main() {
int i, j;

printf(“Copy:
”);
copy(A, C, N);
printMatrixByRow(A, N); //
printMatrixByRow(C, N);

printf(“Rotating the matrix by 90 degrees clockwise:
”);
// transpose(C, N);
// reverseColumns(C, N);
printMatrixByRow(C, N);

return;
}

void printMatrixByRow(void *D, int n) {
int i, j;
char val;
for (i = 0; i < n; i++) { val = *((char*)(D + i*n + j)); printf("%4d %4d %4d %4d", *((char*)(D + i*n + 0)), *((char*)(D + i*n + 1)), *((char*)(D + i*n + 2)), *((char*)(D + i*n + 3))); printf(" "); } printf(" "); }