#include <stdio.h>
#include <stdlib.h>
#define row 3
#define col 4
int main(){                     
    int a[row][col]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
    int i,j,b,c,p;
   
    printf("Input two numbers:",b,c);
    for(i=0;i<row;i++)               
     for(j=0;j<col;j++)               
       scanf("%d",&a[i][j]);
      
   
        for(i=0;i<row;i++){               
          for(j=0;j<col;j++)
           if((i==b)&&(j==c)){
             printf("%d",a[i,j]);}
            else
           printf("/n");}
           
         
        
        
  
      system("PAUSE");   
     return 0;
}
题目：输入一个二维数组，再输入行号和列号，输出对应数值

行号和列号在二维数组中应如何表示出来