Day 10

Day10/part1.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main(int argc, char* argv[])
+{
+    string line;
+    int cycle = 1;
+    int accumulator = 1;
+    int answer = 0;
+    while(getline(cin, line))
+    {
+        int next_adden = 0;
+        if (line.substr(0,4).compare("addx") == 0)
+        {
+            next_adden = stoi(line.substr(5));
+            cycle++;
+            if ((cycle-20)%40 == 0)
+            {
+                answer += cycle*accumulator;
+            }
+            accumulator += next_adden;
+        }
+
+        cycle++;
+        if ((cycle-20)%40 == 0)
+        {
+            answer += cycle*accumulator;
+        }
+    }
+    cout << answer << endl;
+}