advent_of_code_2020/5b.cpp at main · Alegu3rra/advent_of_code_2020 · GitHub

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#include <iostream>
#include <string>
#include <set>
#include <math.h>
using namespace std;

set <int> IDS;

int main(){
	string datos;
	int ID_great=0;
	while(getline(cin,datos)){
		int ID=0;
		float fila_first=0;
		float fila_end=127;
		float fila=0;
		float column_first=0;
		float column_end=7;
		float column=0;
		float i=0;
		while(i<11 and fila_first<fila_end){
			if(datos[i]=='F'){
				fila_end=(fila_end+fila_first)/2;
				fila=floor(fila_end);
			}
			if(datos[i]=='B'){
				fila_first=(fila_end+fila_first)/2;
				fila=ceil(fila_first);
			}
			if(datos[i]=='R'){
				column_first=(column_end+column_first)/2;
				column=ceil(column_first);

			}
			if(datos[i]=='L'){

				column_end=(column_end+column_first)/2;
				column=floor(column_end);
			}
			i++;
		}
		ID=fila*8+column;
		IDS.insert(ID);
	}
for(auto x: IDS){
	cout<<x<<endl;
}

}