accessing binary heap in loop
Hi, I'm trying to print out a binary max heap, that is made up of classes that I've created above but nothing is printing out.
I've tried playing with how I print and how stuff gets inserted into the class and nothing has worked so far, so I'm open to ideas!
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#include <iostream>
#include <vector>
#include<bits/stdc++.h>
using namespace std;
class name_t {
public:
string first;
string last;
name_t(){
string first = "";
string last = "";
name = first + last;
}
bool operator<(const name_t &rhs) const{
return this->last < rhs.last;
}
void print() const{
string fullname = last + ", " + first;
if(fullname.length() < 21){
while(fullname.length() != 21){
fullname = fullname + ".";
}
}
cout << fullname;
}
private:
static int w;
string name;
};
int name_t::w = 0;
class scores_t {
public:
int sum;
int realMean;
scores_t(){
int sum = 0;
int realMean = 0;
}
bool operator<(const scores_t &rhs) const{
return this->realMean < rhs.realMean;
}
void insert(int k){
scores.push_back(k);
}
void insert_done(){
sum = accumulate(scores.begin(), scores.end(), 0.0);
realMean = sum / scores.size();
}
void print(){
for(unsigned int i = 0; i < scores.size(); i++){
cout << setw(3) << scores.at(i) << " ";
}
cout << ": " << realMean;
cout << endl;
}
private:
vector<int> scores;
float mean;
};
class namescores_t {
public:
namescores_t(){
}
bool operator<(const namescores_t &rhs) const{
if(this->scores.realMean < rhs.scores.realMean){
return true;
}
if(this->scores.realMean == rhs.scores.realMean){
if(this->name.last < rhs.name.last){
return true;
}
}
return false;
}
void insertion(name_t n, scores_t s){
name = n;
scores = s;
}
void print_name(){
name.print();
}
void print_scores(){
scores.print();
}
private:
name_t name;
scores_t scores;
};
int main(int argc, char* argv[]) {
/*commandline parsing
argv[1]: K (number of records to print)
argv[2]: filename.txt*/
int k = 0;
k = stoi(argv[1]);
if(argc != 3){
cout << "usage: ./rank_byscores1 -k(number of entries) filename.txt";
return -1;
}
fstream fin;
fin.open(argv[2]);
vector<namescores_t> NS;
if(fin.is_open()){
while(true){
if(fin.eof()) break;
while(true){
if(fin.eof()){
break;
}
name_t n;
scores_t s;
namescores_t NAMESCORE;
string tmp;
getline(fin, tmp);
stringstream ss(tmp);
ss >> n.first;
ss >> n.last;
int scoresTmp;
while(ss >> scoresTmp){
int scores;
scores = scoresTmp;
s.insert(scores);
}
s.insert_done();
NAMESCORE.insertion(n, s);
NS.push_back(NAMESCORE);
}
}
}
fin.close();
make_heap(NS.begin(), NS.end());
for(int i = 0; i < k; i++){
pop_heap(NS.begin(), NS.end());
namescores_t ns;
ns = NS.back();
NS.pop_back();
ns.print_name();
ns.print_scores();
}
}
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