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Write a function named “make_mult_table” that takes an integer (denoting the max_factor) and returns a vector of vectors of longs representing a multiplication table from 0 to (and including) max_factor.
Example:
max_factor = 3
Return value:
{ {0, 0, 0, 0},
{0, 1, 2, 3},
{0, 2, 4, 6},
{0, 3, 6, 9}, }
use c++
Expert Answer
#include <cstdlib>
#include <vector>
using namespace std;
vector<vector < long > > make_mult_table(long max_factor){
vector<vector < long > > vec;
for(int i=0;i<=max_factor;++i){
vector<long>v;
for(int j=0;j<=max_factor;++j){
v.push_back(i*j);
}
vec.push_back(v);
}
return vec;
}
int main()
{
vector< vector < long > > vec = make_mult_table(3);
for (int i = 0; i < vec.size(); i++)
{
cout<<endl;
for (int j = 0; j < vec[i].size(); j++)
{
cout << vec[i][j] <<” “;
}
}
return 0;
}
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See Output
