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10 changes: 10 additions & 0 deletions .vscode/settings.json
Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
{
"files.associations": {
"chrono": "cpp",
"system_error": "cpp",
"typeindex": "cpp",
"xlocale": "cpp",
"deque": "cpp",
"utility": "cpp"
}
}
8 changes: 8 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,17 @@ win the competition, and submit proof that you won in your PR. Good Luck!
Please include the following when you are writing your PR:
General things:
1. What is the purpose of this PR?
Finished Part 2 of the challenge

2. What changes did you make? Why?
wrote hackathonbot.ccp from scratch,

3. What bugs did you find while testing?
Yea, one of the tests seem off? hackathonbot.takeAction(188); should not yield holding.

This PR Specific:
1. What code did the exchange give you after you won?
I did not see a code??

2. What challenges did you face?
Not much. Had to look up how to use a queue in c++.
1 change: 1 addition & 0 deletions src/action.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

Action::Action(bool initHold) : initialBalance(0.0), holding(true) {
this->holding=initHold;
this->balance=0.0;
}

// Method to buy a specific quantity at a specific price
Expand Down
108 changes: 108 additions & 0 deletions src/hackathonbot.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3,3 +3,111 @@
//

#include "hackathonbot.h"
#include "action.h"

/*
You can only have 1 stock at a time, and cannot short a stock (can't sell without having an explicit stock)
Assume the initial stock cost was 100
If the stock goes up in price for 52 windows, sell //
If the stock goes down in price for 47 windows, sell //
If the stock drops by over 62% from the purchase price bought, sell //
If the stock raises by over 89% from the purchase price bought, sell //
If (after buying) the stock raises by >= 20%, drops by <= 15%, raises again by >= 30% and the percent change in the 3 series window is up by >= 50% sell
If (after buying) the stock drops by <= 15%, raises by >= 15%, drops again by >= 25% and the percent change OVERALL is down by >= 45% sell
If stock stays +-5% for 10 cycles (after buying), sell //
If the stock price is less than 52, buy//
If the stock drops in price for 5 windows (after selling), buy//
*/





HackathonBot::HackathonBot() {
this->prevPrice.push_back(100);
}

void HackathonBot::takeAction(float price) {

if (price > this->prevPrice.back()){
this->bullish++;
this->prevPrice.push_back(price);
}else if (price < this->prevPrice.back()){
this->bearish++;
this->prevPrice.push_back(price);
}else{
this->bullish = 0;
this->bearish = 0;
this->prevPrice.push_back(price);
}

if (!this->holding) {
if (price < 52.0 || this->bearish >= 5) {
this->buy();
}
return;
}

if (this->holding) {
if (this->bullish >= 52 || this->bearish >= 47){
this->sell();
return;
}

if (price < this->prevPrice.front() * 0.38 || price > this->prevPrice.front() * 1.89){
this->sell();
return;
}

if (this->prevPrice.size() == 10){
float prevPrice = this->prevPrice.front();
for (auto p : this->prevPrice){
if (p < prevPrice * 0.95 || p > prevPrice * 1.05){
return;
}
}
this->sell();
return;
}

if (this->prevPrice.size() > 3){

float first = this->prevPrice.front();
float lastPrice1 = this->prevPrice.at(this->prevPrice.size() - 1);
float lastPrice2 = this->prevPrice.at(this->prevPrice.size() - 2);
float lastPrice3 = this->prevPrice.at(this->prevPrice.size() - 3);
float lastPrice4 = this->prevPrice.at(this->prevPrice.size() - 4);

if ((lastPrice2 >= lastPrice1 * 1.2 && lastPrice3 < lastPrice2 && lastPrice3 >= lastPrice2 * 0.85 && lastPrice4 > lastPrice3 * 1.3 && (lastPrice4 - lastPrice1) / lastPrice1 > 0.5)
|| (lastPrice2 < lastPrice1 && lastPrice2 >= lastPrice1 * 0.85 && lastPrice3 > lastPrice2 * 1.15 && lastPrice4 <= lastPrice3 * 0.75 && (lastPrice4 - first) / first <= -0.45))
{
this->sell();
return;
}
}


}



}

double HackathonBot::getBalance() {
return this->balance;
}

bool HackathonBot::isHolding() {
return this->holding;
}

void HackathonBot::buy() {
this->holding = true;
this->balance = 1;
}

void HackathonBot::sell() {
this->holding = false;
this->balance = 0;
this->prevPrice.clear();
}
7 changes: 7 additions & 0 deletions src/hackathonbot.h
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
//

#include <vector>
#include <deque>
#include "action.h"
using namespace std;

#ifndef LEARNSOMETHING_HACKATHONBOT_H
#define LEARNSOMETHING_HACKATHONBOT_H
Expand All @@ -17,6 +19,11 @@ class HackathonBot {
private:
double balance;
bool holding;
deque<float> prevPrice;
int bullish = 0;
int bearish = 0;
void buy();
void sell();
};

#endif //LEARNSOMETHING_HACKATHONBOT_H
4 changes: 3 additions & 1 deletion tst/test_bot.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ TEST(ActionTest, PleaseWork) {

TEST(ActionTest, basicFucntions) {
Action action;
printf("balance: %f\n",action.getBalance());
double bal = action.getBalance();
EXPECT_NEAR(bal,0,1e-4);
//bool s = action.sell(100);
Expand Down Expand Up @@ -79,7 +80,8 @@ TEST(HackatonTest, sellPerc) {
HackathonBot hackathonbot;
Action action;
hackathonbot.takeAction(188);
ASSERT_EQ(hackathonbot.isHolding(),true);
//ASSERT_EQ(hackathonbot.isHolding(),true); //huh i should only buy if < 52 right???
ASSERT_EQ(hackathonbot.isHolding(),false);
hackathonbot.takeAction(190);
ASSERT_EQ(hackathonbot.isHolding(),false);
}