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2d std::vector array resizing?

Started by Funkymunky Jan 12, 2008 at 6:55 PM 1 replies 850+ views
Original Post
Funkymunky
Funkymunky
im getting a crash when i try to resize a 2 dimensional vector of ints, declared as such: 
std::vector<std::vector<int>> map
i try to resize the "x" dimension like so: 
for(int i=0; i<map.size(); i++)
    map.resize(newnum);
yet i get a crash (send error report type crash). why is that?
smart_idiot
smart_idiot
Assuming you intend to write something like map[x][y], you're resizing y, not x. If not, it looks reasonable to me.
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Evil Steve
Evil Steve
Quote:
Original post by Funkymunky
yet i get a crash (send error report type crash). why is that?
Because you're not running your code in the debugger, which would tell you more precisely what's wrong; E.g. if it's an access violation, what address was causing it, and point you to the line that was causing it.

You should ALWAYS be running code in the debugger until you think it's completely bug free.

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