2d vector print
for(auto lst : vec){
for(auto e : lst){
cout<<e<<" ";
}
cout<<endl;
}2d vector print
for(auto lst : vec){
for(auto e : lst){
cout<<e<<" ";
}
cout<<endl;
}print 2d vector c++
for(int i=0; i<v.size(); i++)
for(int j=0; j<v[i].size(); j++)
cout<<v[i][j]<<" ";
cout<<endl;print 2d array c++
for( auto &row : arr) {
for(auto col : row)
cout << col << " ";
cout<<endl;
}how to take input in 2d vector in c++
std::vector<vector<int>> d;
//std::vector<int> d;
cout<<"Enter the N number of ship and port:"<<endl;
cin>>in;
cout<<"\Enter preference etc..:\n";
for(i=0; i<in; i++){
cout<<"ship"<<i+1<<":"<<' ';
for(j=0; j<in; j++){
cin>>temp;
d.push_back(temp);// I don't know how to push_back here!!
}
}print a 2d vector in c++
// A recursive function able to print a vector
// of an arbitrary amount of dimensions.
template<typename T>
static void show(T vec)
{
std::cout << vec;
}
template<typename T>
static void show(std::vector<T> vec)
{
int size = vec.size();
if (size <= 0) {
std::cout << "invalid vector";
return;
}
std::cout << '{';
for (int l = 0; l < size - 1; l++) {
show(vec[l]);
std::cout << ',';
}
show(vec[size - 1]);
std::cout << '}';
}Copyright © 2021 Codeinu
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