AoC2022_Day19/main.cpp

#define OLC_PGE_APPLICATION
#include "pixelGameEngine.h"
#include "olcutils.h"

using namespace olc;

struct Blueprint{
    int oreRobotCost,clayRobotCost,obsidianRobotCost1,obsidianRobotCost2,geodeRobotCost1,geodeRobotCost2;
};

int runSimulation(Blueprint print){
    int minute=0;
    int ore=0,clay=0,obsidian=0,geodes=0;
    int oreRobots=1/*We start with 1 free ore robot*/,clayRobots=0,obsidianRobots=0,geodeRobots=0;

    int oreRequired=print.oreRobotCost+print.clayRobotCost+print.obsidianRobotCost1+print.geodeRobotCost1;
    int clayRequired=print.obsidianRobotCost2;
    int obsidianRequired=print.geodeRobotCost2;
    int geodeRequired=print.geodeRobotCost2;

    int totalRequired=oreRequired+clayRequired+obsidianRequired+1;

    float oreRatio=(float)oreRequired/totalRequired;
    float clayRatio=(float)clayRequired/totalRequired;
    float obsidianRatio=(float)obsidianRequired/totalRequired;
    float geodeRatio=(float)1/totalRequired;

    float orePct=0;
    float clayPct=0;
    float obsidianPct=0;
    float geodePct=0;

    for (int i=0;i<24;i++){
        //Find out total robots needed for one geode robot.
        //Geode: 2ore:19obsidian
        //Obsidian 4ore:7clay
        //Clay 4ore
        //Ore 4ore
        std::cout<<"Minute "<<i+1<<std::endl;  

        //14ore:7clay:19obsidian  30
        ore+=oreRobots;
        clay+=clayRobots;
        obsidian+=obsidianRobots;
        geodes+=geodeRobots;

        if (oreRobots>0){
            std::cout<<"Collected "<<oreRobots<<" ore ("<<ore<<")."<<std::endl;  
        }
        if (clayRobots>0){
            std::cout<<"Collected "<<clayRobots<<" clay ("<<clay<<")."<<std::endl;  
        }
        if (obsidianRobots>0){
            std::cout<<"Collected "<<obsidianRobots<<" obsidian ("<<obsidian<<")."<<std::endl;  
        }
        if (geodeRobots>0){
            std::cout<<"Collected "<<geodeRobots<<" geodes ("<<geodes<<")."<<std::endl;  
        }

        int totalProduction=oreRobots+clayRobots+obsidianRobots+geodeRobots;

        orePct=(float)oreRobots/totalProduction;
        clayPct=(float)clayRobots/totalProduction;
        obsidianPct=(float)obsidianRobots/totalProduction;
        geodePct=(float)geodeRobots/totalProduction;

        std::cout<<"Resource distribution (Ore/Clay/Obsidian/Geode) ("<<orePct<<"/"<<clayPct<<"/"<<obsidianPct<<"/"<<geodePct<<")"<<std::endl;
        std::cout<<"  Target distribution (Ore/Clay/Obsidian/Geode) ("<<oreRatio<<"/"<<clayRatio<<"/"<<obsidianRatio<<"/"<<geodeRatio<<")"<<std::endl;

        if (ore>=print.geodeRobotCost1&&obsidian>=print.geodeRobotCost2&&geodePct<geodeRatio){
            geodeRobots++;
            ore-=print.geodeRobotCost1;
            obsidian-=print.geodeRobotCost2;
            std::cout<<"  Built a geode robot ("<<geodeRobots<<" total)"<<std::endl;  
        } else
        if (ore>=print.obsidianRobotCost1&&clay>=print.obsidianRobotCost2&&obsidianPct<obsidianRatio){
            //We can make an obsidian bot, so do so!
            obsidianRobots++;
            ore-=print.obsidianRobotCost1;
            clay-=print.obsidianRobotCost2;
            std::cout<<"  Built an obsidian robot ("<<obsidianRobots<<" total)"<<std::endl;  
        } else
        if(ore>=print.oreRobotCost&&orePct<oreRatio){
            //Make an ore bot.
            oreRobots++;
            ore-=print.oreRobotCost;
            std::cout<<"  Built an ore robot ("<<oreRobots<<" total)"<<std::endl;  
        } else
        if (ore>=print.clayRobotCost&&clayPct<clayRatio){
            //Make a clay bot.
            clayRobots++;
            ore-=print.clayRobotCost;
            std::cout<<"  Built a clay robot ("<<clayRobots<<" total)"<<std::endl;  
        } else {
            
            std::cout<<"  Decided not to make anything this turn..."<<std::endl;   
        }
    }
    return geodes;
}

int main()
{
	std::ifstream file("input");
    std::vector<Blueprint>blueprints;
    while (file.good()){
        std::string line;
        std::getline(file,line);
        std::cout<<line<<std::endl; 
        if (line.length()>0){
            Blueprint newBlueprint;
            int marker=0;
            for (int i=0;i<6;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.oreRobotCost=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());
            for (int i=0;i<6;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.clayRobotCost=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());
            for (int i=0;i<6;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.obsidianRobotCost1=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());
            for (int i=0;i<3;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.obsidianRobotCost2=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());
            for (int i=0;i<6;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.geodeRobotCost1=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());
            for (int i=0;i<3;i++){
                marker=line.find(' ',marker+1);
            }
            newBlueprint.geodeRobotCost2=std::atoi(line.substr(marker+1,line.find(' ',marker+1)-marker).c_str());

            std::cout<<"Blueprint "<<blueprints.size()+1<<std::endl;
            std::cout<<"Ore Robot Ore Cost: "<<newBlueprint.oreRobotCost<<std::endl;
            std::cout<<"Clay Robot Ore Cost: "<<newBlueprint.clayRobotCost<<std::endl;
            std::cout<<"Obsidian Robot Ore Cost: "<<newBlueprint.obsidianRobotCost1<<std::endl;
            std::cout<<"Obsidian Robot Clay Cost: "<<newBlueprint.obsidianRobotCost2<<std::endl;
            std::cout<<"Geode Robot Ore Cost: "<<newBlueprint.geodeRobotCost1<<std::endl;
            std::cout<<"Geode Robot Obsidian Cost: "<<newBlueprint.geodeRobotCost2<<std::endl;

            blueprints.push_back(newBlueprint);
        }
    }
    int sum=0;
    for (int i=0;i<blueprints.size();i++){
        sum+=(i+1)*runSimulation(blueprints[i]);
    }

	return 0;
}