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Sorting not working in map of vectors
By harshit2202, history, 5 years ago, In English

I have been doing this code Code Link

Problem is that when I iterating over keys to sort their vector, then sorting is not working properly. Test Case:- 3 4 3 4 3 3 3 7 5 5 1 1 5 3 3 3 7 3 4 1 5 5 3 1 5 3

Input is n and m, then two matrices of n*m

Any idea why? Thanks in advance:)

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5 years ago, # |
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5 years ago, # |
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You are not passing reference while sorting. Pass it by reference like this.

    for(auto &it:m1)        sort(all(it.second));
    for(auto &it:m2)        sort(all(it.second));
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