i_am_bug's blog

Please please can someone tell me -{Be careful: the problem requires input/output via file(s)} what does it mean?
By i_am_bug, history, 4 years ago, In English

Problem- https://mirror.codeforces.com/contest/35/problem/D

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21 month(s) ago, # |
  Vote: I like it +9 Vote: I do not like it

This means you have to take input from the input file(input.txt) and you have to output the result in the output file(output.txt).

like in C++ you have to add these two line in your code

freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);

I hope now you got it

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    20 months ago, # ^ |
      Vote: I like it 0 Vote: I do not like it

    lets say the problem has input file as

    input : path.in

    output: standard output

    then how I will modify your ans??

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      20 months ago, # ^ |
        Vote: I like it +3 Vote: I do not like it

      just change the first line to freopen("path.in", "r", stdin); and remove the second line

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