顺时针打印矩阵

#ifndef TIME_WISE_PRINT_MATRIX_H
#define TIME_WISE_PRINT_MATRIX_H
#include<iostream>
#define  COLUS  3
void printMatrixCore(int (*)[COLUS],int rows,int); 
void timewisePrintMatrix(int (*matrix)[COLUS],int rows){
	if(matrix==NULL){
		return; 
	}
	int printCount=0; 
	while(2*printCount<COLUS&&2*printCount<rows){
		printMatrixCore(matrix,rows,printCount); 
		printCount++; 
	}
}
void printMatrixCore(int (*matrix)[COLUS],int rows,int count){
	int rowStart=count; 
	int rowEnd=rows-count-1; 
	int colStart=count; 
	int colEnd=COLUS-count-1;
	//print the first rows
	for(int i=colStart; i<=colEnd; i++){
		std::cout<<matrix[rowStart][i]<<","; 
	}
	//print the second column
	if(rowEnd-rowStart>1){
		for(int i=rowStart+1; i<=rowEnd-1; i++){
			std::cout<<matrix[i][colEnd]<<","; 
		}
	}
	//print the second row
	if(rowEnd-rowStart>=1){
		for(int i=colEnd; i>=colStart; i--){
			std::cout<<matrix[rowEnd][i]<<","; 
		}
	}
	//print the first col
	if(rowEnd-rowStart>1&&colEnd-colStart>=1){
		for(int i=rowEnd-1; i>=rowStart+1; i--){
			std::cout<<matrix[i][colStart]<<","; 
		}
	}
}
#endif 

#include"timeWisePrintMatrix.h"
#include<iostream>
int main(){
	int matrix[3][3]={{1,2,3},{4,5,6},{7,8,9}}; 
	timewisePrintMatrix(matrix,3); 
}