c语言打印矩阵坐标,C语言实现顺时针打印矩阵代码

#include

#include

void printMatrix(int **matrix,int columns,int rows,int start)

{

int x=columns-start-1;

int y=rows-start-1;

int i;

for(i=start;i<=x;i++)//先打印一行

printf("%d ",matrix[start][i]);

if(start

{

for(i=start+1;i<=y;i++)

printf("%d ",matrix[i][x]);

}

if(x>start&&y>start)//从右到左打印

{

for(i=x-1;i>=start;i--)

printf("%d ",matrix[y][i]);

}

if(x>start&&y>start+1)//从下到上打印

{

for(i=y-1;i>=start+1;i--)

printf("%d ",matrix[i][start]);

}

}

void matrixClock(int **matrix,int columns,int rows)

{

if(matrix==NULL||columns<=0||rows<=0)

return;

int start=0;

while(columns>start*2&&rows>start*2)

{

printMatrix(matrix,columns,rows,start);

start++;

}

}

int main()

{

int n,m;

while(scanf("%d %d",&n,&m)!=NULL)

{

int **numbers;

int i,j;

numbers=(int **)malloc(sizeof(int *)*n);//n rows

for(i=0;i

numbers[i]=(int *)malloc(sizeof(int)*m);//m columns

for(i=0;i

for(j=0;j

scanf("%d",&numbers[i][j]);

matrixClock(numbers,m,n);

}

return 0;

}