fluffy/adventOfCode2024
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added line precessing

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This commit is contained in:
Seth Samuel 2024-12-02 20:57:33 +13:00
parent 0d4f948ff5
commit b4232c905d
3 changed files with 48 additions and 12 deletions
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55
2/puzzle2.cpp
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@ -8,9 +8,12 @@
using namespace std;
int main(){
enum Direction {
UP,
DOWN
};
list<int> currntlevels{};
int main(){
string line;
int safeReports = 0;
@ -18,16 +21,44 @@ int main(){
while (getline(puzzle, line)) {
istringstream lineStream(line);
string number;
cout << "{";
while (getline(lineStream, number, ' ')) {
cout << number<<"|";
string numberString;
list<int> currentLevels;
while (getline(lineStream, numberString, ' ')) {
int number = stoi(numberString);
currentLevels.push_back(number);
}
int numOfLevelsInLine = currentLevels.size();
int numOfLevelsProcessed = 0;
//need to pull the first one to have something to compare to
enum Direction dir;
int prevlevel = currentLevels.front();
currentLevels.pop_front();
numOfLevelsProcessed++;
if (prevlevel - currentLevels.front()>0){
dir = UP;
} else if (prevlevel - currentLevels.front()< 0){
dir = DOWN;
} else {
break;
}
for (int level = 0; !currentLevels.empty();level=currentLevels.front()){
if (abs(prevlevel-level)>3) {currentLevels.clear();break;}
if(prevlevel-level==0){ currentLevels.clear();break;}
if(dir==UP&&(prevlevel-currentLevels.front())<0) {currentLevels.clear();break;}
if(dir==DOWN&&(prevlevel-currentLevels.front()>0)) {currentLevels.clear();break;}
prevlevel=currentLevels.front();
currentLevels.pop_front();
if(numOfLevelsProcessed==numOfLevelsInLine){
safeReports++;
}
}
cout << "}";
}
/*
for (line; !puzzle.eof();puzzle.getline(line,'\n')) {
cout << line << "\n";
}
*/
cout << safeReports;
puzzle.close();
}