Day 3 Part 1

day3/part1/main.cpp

@@ -7,8 +7,8 @@ using namespace std;
 int main() {
     cout << "Advent of Code 2021 - Day 3 Part 1" << endl;
 
-    unsigned char gamma[12] = {0};
-    unsigned char epsilon[12] = {0};
+    unsigned int gamma = 0;
+    unsigned int epsilon = 0;
 
     vector<vector<char>> inputBits;
 
@@ -36,22 +36,15 @@ int main() {
         }
 
         if(greater > (inputBits.size() / 2)) {
-            gamma[x] = 1;
-            epsilon[x] = 0;
+            gamma |= 1UL << 11 - x;
         } else {
-            gamma[x] = 0;
-            epsilon[x] = 1;
+            epsilon |= 1UL << 11 - x;
         }
     }
 
-    int asd = 0;
-
-    for(int x = 0; x < 12; x++) {
-        asd = asd << (int)gamma[x];
-    }
-    cout << asd << endl;
-
+    cout << gamma << endl;
     cout << epsilon << endl;
+    cout << gamma * epsilon << endl;
 
     return 0;
 }