59 lines
1.0 KiB
C
59 lines
1.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#define MAX 15
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int Square[MAX][MAX];
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int N;
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int main(){
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int i , j ,row=0 , col=0 , num=2;
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do {
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printf("\nEnter odd matrix size : ");
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scanf("%d",&N);
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if( N % 2 == 0 || N <= 0 || N > 15){
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printf("should be > 0 and 15 odd number");
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}else{
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break;
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}
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}while(1);
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while(1){
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Square[0][(N-1)/2] = 1;
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col=(N-1)/2;
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if((row-1)<0 && (col+1<N)){
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row = N-1; // 如果行數超出上邊界，回到最後一行
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col++;
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Square[row--][col--] = num;
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}else if ((row-1)>0 && (col+1<N)){
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// row--;
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col = 4; // 如果列數超出左邊界，回到第一列
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Square[row--][co--] = num;
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}else if((row-1)>0 && (col+1<N)){
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row = row-1; // 如果行數超出上邊界及右邊界，回到下一行
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Square[row--][col--] = num;
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}
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if(Square[row][col]==0){
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Square[row--][col--] = num;
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}
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printf("num=%d ,Square[%d][%d]=%d\n",num ,row,col,Square[row][col]);
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// row++, col++;
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num++;
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if(num>N*N)
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break;
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}
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// for(i=0;i<N;i++){
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// for(j=0;j<N;j++){
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// printf("%d\t",Square[i][j]);
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// }printf("\n");
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// }
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return 0 ;
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}
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