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I'm going to ask something about my code provided below... My question is in the line where there's a comment /*This line*/. I used variable y and x: y for the HEIGHT and x for the WIDTH. The very first time I run the program, the code was scanf("%d,%d", &y, &x); but unfortunately, the program was not running properly. But when I modified the code with this scanf("%d,%d", &x, &y);, then, I was able to run the program in turn. I can't understand how it happened, since I had set the y as HEIGHT and x as WIDTH?
File Edit Run Compile Project Options Debug Break/watch
╒════════════════════════════════════ Edit ════════════════════════════════════╕
│ Line 1 Col 43 Insert Indent Tab Fill Unindent * C:NONAME.C │
│#define HEIGHT 5 │
│#define WIDTH 10 │
│ │
│char enemy[HEIGHT][WIDTH]= │
│ { {0,0,0,0,0,0,0,0,0,0}, │
│ {0,1,1,0,0,1,0,0,0,0}, │
│ {0,0,0,1,0,1,0,1,1,0}, │
│ {0,0,0,0,0,0,0,0,1,1}, │
│ {0,0,1,1,0,1,0,0,0,1} }; │
│ │
│main() │
│{ │
│ char friend[HEIGHT][WIDTH]; │
│ int x,y; │
│ │
│ clrscr(); │
│ │
│ for(y=0; y<HEIGHT; y++) |
| for(x=0; x<WIDTH; x++) |
| friend[y][x]='.'; |
| |
| while(x >= 0) |
| { |
| for(y=0; y<HEIGHT; y++) |
| { |
| for(x=0; x<WIDTH; x++) |
| printf("%c", friend[y][x]); |
| printf("\n"); |
| } |
| |
| printf("Coordinates: "); |
| scanf("%d,%d", &x, &y); /*This line*/ |
| |
| if(enemy[y][x] == 1) |
| friend[y][x]="\xDB"; |
| else |
| friend[y][x]="\xB0"; |
| } |
|} │
├─────────────────────────────────── Watch ────────────────────────────────────┤
│ │
└──────────────────────────────────────────────────────────────────────────────┘
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639
The two-dimensional array can be defined as an array of arrays. The 2D array is organized as matrices which can be represented as the collection of rows and columns. However, 2D arrays are created to implement a relational database lookalike data structure.
A two-dimensional array is a data structure that contains a collection of cells laid out in a two-dimensional grid, similar to a table with rows and columns although the values are still stored linearly in memory.
The two dimensional (2D) array in C programming is also known as matrix. A matrix can be represented as a table of rows and columns.
Shortcut to declare and create a 2D array: int[][] rating; private GiftCard[][] family; rating = new int[3][4]; int[][] rating = new int[3][4];
The problem is the input data. 5,2 meant row 5, column 2, and the problem is that row 5 does not exist (Height is 5, so you have rows from 0 to 4). As soon as you changed the values, they became 2, 5, which correctly point to row 2 (third row) and column 5 (sixth column).
100
If you are using 5 and 2 for y[HEIGHT] and x[WIDTH], How it will work because your enemy[HEIGHT][WIDTH] array is the array of 5x10.
That is when you are using 5 for y that exceeds it limit that is 0 to 4.
Isn't it.....?
41
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