OJ Board

Yes, it is quite disappointing that such problem would pass unnoticed.

Oddly, it included an error to "scanf" too.

Actually it was not an error message, but a warning. The compiler was quite pedantic and notified you that the function scanf returns a value that should be used somehow in an ...

I tried to submit a program using ANSI C as compiler and I got the following compilation error:


code.o: In function `main':
code.c:(.text.startup+0x54): undefined reference to `floor'
code.c:(.text.startup+0xac): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status


It seems ...

For anyone who still have doubts about the problem description:

1. The country is divided in N x M regions, where (1 <= N, M <= 500). [It is not N x N as stated.]

2. All coordinates are given as (ROW, COLUMN), where (1 <= ROW <= N) and (1 <= COLUMN <= M). For instance, region (1, 2) is the ...

The lack of information in this problem is quite annoying, taking you a long time trying to figure out what's the best approach without using dynamic structures, and if they are fast and not too much memory consuming.
Here is an "update" of what Maniac has already discovered about the input data ...