VoolDD5's blog

Vector without #include vector
By VoolDD5, 12 years ago, In English

Hi!
Please look at my code HHHEEERRREEE I found two wonders in my code:

1- I didn't include vector but didn't got COMPILATION ERROR <<
2- $@#%!%^ (OK)

How situation 1 is possible?
thanks a lot

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12 years ago, hide # |
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Vote: I like it +6 Vote: I do not like it

Out of curiosity I tried submitting your solution. But I got compilation error. Here is the link to my solution. I think this is because of compiler difference. I tried same code on ideone with compiler as C++11 it worked. Need to look at it why it happened. Regarding 2nd part your code is giving garbage value for that test case or maybe you are missing something. See this

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12 years ago, hide # |
 
Vote: I like it +22 Vote: I do not like it

  1. I think it's included somewhere in <algorithm>, but do not rely on that — you don't want to write non-portable code.

  2. It's a sign of undefined behavior or invalid memory access (like array out of bounds).

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12 years ago, hide # |
 
Vote: I like it +9 Vote: I do not like it

You can use only one #include for all necessary algorithms.

#include <bits/stdc++.h>
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