Add points option to timer. Do iterations over solution to get averages

src/day1/p1/faf.cpp

@@ -66,43 +66,48 @@
 #include "timer.h"
 
 int main() {
-    Timer timer;
-
-    std::ifstream stream("input/day1/p1.txt", std::ios::binary | std::ios::ate);
-    const auto size = stream.tellg();
-    stream.seekg(0);
-    std::vector<char> buffer(size);
-    stream.read(buffer.data(), size);
-    stream.close();
-
-    int state = 50;
+    constexpr int iterations = 1000;
+    Timer timer(iterations);
     int password = 0;
 
-    const char* ptr = buffer.data();
-    const char* end = ptr + size;
+    for (int i = 0; i < iterations; ++i) {
+        std::ifstream stream("input/day1/p1.txt", std::ios::binary | std::ios::ate);
+        const auto size = stream.tellg();
+        stream.seekg(0);
+        std::vector<char> buffer(size);
+        stream.read(buffer.data(), size);
 
-    while (ptr < end) {
-        const bool is_right = (*ptr == 'R');
-        ++ptr;
+        int state = 50;
 
-        int number;
-        auto [next, ec] = std::from_chars(ptr, end, number);
-        ptr = next;
 
-        if (ptr < end && *ptr == '\r') ++ptr;
-        if (ptr < end && *ptr == '\n') ++ptr;
+        const char* ptr = buffer.data();
+        const char* end = ptr + size;
 
-        if (is_right) {
-            state = (state + number) % 100;
-        } else {
-            state = (state + 100 - number % 100) % 100;
+        while (ptr < end) {
+            const bool is_right = (*ptr == 'R');
+            ++ptr;
+
+            int number;
+            auto [next, ec] = std::from_chars(ptr, end, number);
+            ptr = next;
+
+            if (ptr < end && *ptr == '\r') ++ptr;
+            if (ptr < end && *ptr == '\n') ++ptr;
+
+            if (is_right) {
+                state = (state + number) % 100;
+            } else {
+                state = (state + 100 - number % 100) % 100;
+            }
+
+            password += (state == 0);
         }
 
-        password += (state == 0);
+        stream.close();
     }
     timer.stop();
 
-    std::cout << "Password: " << password << std::endl;
+    std::cout << "Password: " << password / iterations << std::endl;
 
     timer.print();