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Day 3 complete!

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sigonasr2 2023-12-03 01:32:26 -06:00
parent 9dfd519fca
commit 1781503d7a
1 changed files with 56 additions and 33 deletions
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89
Day 3/main.cpp
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@ -24,19 +24,27 @@ void wait(int pauseMs=0){
#pragma endregion
const int DAY = 3;
Run runInput=FILE1;
Run runInput=FILE2;
struct numb{
vi2d pos;
vi2d endPos;
int number;
bool operator<(numb&rhs){
return number<rhs.number;
}
bool operator==(numb&rhs){
return number==rhs.number;
}
};
std::vector<numb>parts;
std::vector<std::vector<char>>board;
std::vector<vi2d>gears;
void doStuff2(){
while(true){ //lines is accessible as a global.
int sum=0;
long sum=0;
vi2d pos={};
for(std::string&line:lines){
std::string numb="";
@ -44,6 +52,7 @@ void doStuff2(){
std::vector<char>row;
vi2d initialNumberPos={};
for(int i=0;i<line.size();i++){
if(line[i]=='*')gears.push_back(pos);
if(line[i]>='0'&&line[i]<='9'){
if(numb.length()==0){
initialNumberPos=pos;
@ -52,7 +61,7 @@ void doStuff2(){
}else
if(numb.length()>0){
//A number has been parsed.
parts.push_back({initialNumberPos,atoi(numb.c_str())});
parts.push_back({initialNumberPos,pos+vi2d{-1,0},atoi(numb.c_str())});
numb="";
}
row.push_back(line[i]);
@ -60,41 +69,49 @@ void doStuff2(){
}
if(numb.length()>0){
//A number has been parsed.
parts.push_back({initialNumberPos,atoi(numb.c_str())});
parts.push_back({initialNumberPos,pos+vi2d{-1,0},atoi(numb.c_str())});
}
board.push_back(row);
pos.y++;
pos.x=0;
std::cout<<line<<std::endl;
}
for(numb&number:parts){
int myNumb=number.number;
vi2d startingPos=number.pos;
while(myNumb>0){
auto validatePos=[&](vi2d checkPos){
return startingPos.y+checkPos.y>0&&startingPos.y+checkPos.y<board.size()-1&&
startingPos.x+checkPos.x>0&&startingPos.x+checkPos.x<board[startingPos.y+checkPos.y].size()-1;
};
auto testChar=[&](char test){
if(test!='.'&&!(test>='0'&&test<='9')){
sum+=number.number;
std::cout<<number.number<<" was adjacent to a symbol"<<std::endl;
return true;
for(vi2d&pos:gears){
std::function<numb*(vi2d)>validatePos=[&](vi2d checkPos){
if(pos.y+checkPos.y>=0&&pos.y+checkPos.y<=board.size()-1&&
pos.x+checkPos.x>=0&&pos.x+checkPos.x<=board[pos.y+checkPos.y].size()-1){
char c=board[pos.y+checkPos.y][pos.x+checkPos.x];
if(c>='0'&&c<='9'){
for(numb&number:parts){
if(number.pos.y==pos.y+checkPos.y&&number.pos.x<=pos.x+checkPos.x&&number.endPos.x>=pos.x+checkPos.x){
return &number;
}
}
throw; //Something went terribly wrong.
}
return false;
};
vi2d checkPos={1,0};
if(validatePos({1,0})){if(testChar(board[startingPos.y][startingPos.x+1]))break;}
if(validatePos({0,1})){if(testChar(board[startingPos.y+1][startingPos.x]))break;}
if(validatePos({-1,0})){if(testChar(board[startingPos.y][startingPos.x-1]))break;}
if(validatePos({0,-1})){if(testChar(board[startingPos.y-1][startingPos.x]))break;}
if(validatePos({1,1})){if(testChar(board[startingPos.y+1][startingPos.x+1]))break;}
if(validatePos({1,-1})){if(testChar(board[startingPos.y-1][startingPos.x+1]))break;}
if(validatePos({-1,1})){if(testChar(board[startingPos.y+1][startingPos.x-1]))break;}
if(validatePos({-1,-1})){if(testChar(board[startingPos.y-1][startingPos.x-1]))break;}
myNumb/=10;
startingPos.x++;
}
numb*test=nullptr;
return test;
};
numb*val;
std::vector<numb>numbers;
if((val=validatePos({1,0}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({0,1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({-1,0}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({0,-1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({1,1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({1,-1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({-1,1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if((val=validatePos({-1,-1}))!=nullptr){numbers.push_back(*val);val=nullptr;}
if(numbers.size()>=2){
std::sort(numbers.begin(),numbers.end());
auto last=std::unique(numbers.begin(),numbers.end());
numbers.erase(last,numbers.end());
if(numbers.size()==2){
sum+=numbers[0].number*numbers[1].number;
std::cout<<numbers[0].number<<"*"<<numbers[1].number<<std::endl;
}
}
}
std::cout<<sum<<std::endl;
@ -102,7 +119,7 @@ void doStuff2(){
break;
}
}
/*
void doStuff(){
while(true){ //lines is accessible as a global.
int sum=0;
@ -171,7 +188,7 @@ void doStuff(){
break;
}
}
*/
void draw(){ //Only use Sprites! If using decals, you must reference global variables!
Clear(BLACK);
int count=0;
@ -189,10 +206,16 @@ void draw(){ //Only use Sprites! If using decals, you must reference global vari
int numb=number.number;
while(numb>0){
numbStr=std::to_string(numb%10)+numbStr;
if(numb<10){
DrawString(number.endPos*8,std::string(1,numbStr[numbStr.size()-1]),GREEN);
}
numb/=10;
}
DrawString(number.pos*8,numbStr,RED);
}
for(vi2d&pos:gears){
DrawString(pos*8,std::string(1,'*'),BLUE);
}
}
#pragma region Hidden Engine Stuff