44 lines
871 B
C
44 lines
871 B
C
#include "stdio.h"
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// a[i*rows+j]
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void print_matrix_incircle(int *matrix,int rows,int cols,int start){
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int endX = cols-start-1;
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int endY = rows-start-1;
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//然后依次打印 上，右，下，左
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for(int i=start;i<=endX;i++){
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printf("%d ",matrix[start*rows+i]);
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}
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for(int i=start+1;i<=endY;i++){
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printf("%d ",matrix[i*rows+endX]);
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}
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for(int i=endX-1;i>=start;i--){
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printf("%d ",matrix[endY*rows+i]);
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}
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for(int i=endY-1;i>start;i--){
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printf("%d ",matrix[i*rows+start]);
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}
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}
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void print_matrix(int *matrix,int rows,int cols){
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if(matrix==NULL) return ;
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if(rows<=0 || cols<=0) return;
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int start = 0;
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while(start*2<cols && start*2<rows){
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print_matrix_incircle(matrix,rows,cols,start);
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start++;
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}
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}
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int main(int argc, char const *argv[])
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{
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int matrix[] = {1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16};
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print_matrix(matrix,4,4);
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return 0;
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}
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