Could u plz provide the logic behind next_permutation,like what’s the source code for the stl?
also how to write a’ for loop’ for pair for taking input from user?
Could u plz provide the logic behind next_permutation,like what’s the source code for the stl?
also how to write a’ for loop’ for pair for taking input from user?
hello @granthdhir
do u want to know the algorithm? or something else?
like this->
pair<int,int> A[N];
for(int i=0;i<N;i++)
cin>>A[i].first>>A[i].second;
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