hash tables and 2d vectors
- by Sunil
I want to push a 2d vector into a hash table row by row and later search for a row (vector) in the hash table and want to be able to find it. I want to do something like
#include <iostream>
#include <set>
#include <vector>
using namespace std;
int main(){
std::set < vector<int> > myset;
vector< vector<int> > v;
int k = 0;
for ( int i = 0; i < 5; i++ ) {
v.push_back ( vector<int>() );
for ( int j = 0; j < 5; j++ )
v[i].push_back ( k++ );
}
for ( int i = 0; i < 5; i++ ) {
std::copy(v[i].begin(),v[i].end(),std::inserter(myset)); // This is not correct but what is the right way ?
// and also here, I want to search for a particular vector if it exists in the table. for ex. the second row of vector v.
}
return 0;
}
I'm not sure how to insert and look up a vector in a set. So if nybody could guide me, it will be helpful. Thanks
