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  1. #include<stdio.h>
  2.  
  3.  
  4. int c_array(int *a,int row,int column,int i,int j)
  5. {
  6.     printf("%d ",*( a + i*column +j ) );//使用pointer來控制矩陣
  7. }
  8.  
  9.  
  10. int main(void)
  11. {
  12.     int **ptr=NULL;
  13.     int row,column;
  14.     int i,j;
  15.  
  16.     while(1)
  17.     {
  18.         printf("row=\n");
  19.         scanf("%d",&row);
  20.         printf("column=\n");
  21.         scanf("%d",&column);
  22.  
  23.         if(row==0 && column==0) break;
  24.  
  25.  
  26.  
  27.        ptr=(int**)malloc(sizeof(int*)*row);
  28.        //生成一維指標陣列
  29.        for(i=0;i<row;i++)
  30.        {
  31.            ptr[i]=(int*)malloc(sizeof(int)*column);
  32.        }//二維
  33.  
  34.        for(i=0;i<row;i++)
  35.        {
  36.            for(j=0;j<column;j++)
  37.            {
  38.                ptr[i][j]=1;
  39.            }
  40.        }//將矩陣付值:1
  41.  
  42.        for(i=0;i<row;i++)
  43.        {
  44.            for(j=0;j<column;j++)
  45.            {
  46.                //printf("%d",ptr[i][j]);//測試用
  47.                c_array((int*)ptr,row,column,i,j);//使用另外函數來print
  48.            }
  49.  
  50.            printf("\n");//換行
  51.        }
  52.  
  53.        for(i=0;i<row;i++) free(ptr[i]);
  54.        free(ptr);//釋放記憶體
  55.  
  56.     }
  57.  
  58.     return 0;
  59.  
  60.  
  61.  
  62. }
  63.  
Time limit exceeded #stdin #stdout 5s 528384KB
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stdin 
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stdout 
Standard output is empty
https://ideone.com/JQjKaJ
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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