refactoring

day2/day.cpp

@@ -1,3 +1,4 @@
+#include "../include/useful_funcs.h"
 #include <algorithm>
 #include <cstddef>
 #include <errno.h>
@@ -7,18 +8,6 @@
 #include <string>
 #include <vector>
 
-std::vector<std::string> splitString(const std::string &str) {
-  std::istringstream iss(str);
-  std::vector<std::string> words;
-  std::string word;
-
-  while (iss >> word) {
-    words.push_back(word);
-  }
-
-  return words;
-}
-
 int main() {
   std::ifstream inputfile("input");
   std::string input;
@@ -33,9 +22,7 @@ int main() {
       num_s = splitString(line);
       num.clear();
 
-      // Convert strings to integers
-      std::transform(num_s.begin(), num_s.end(), std::back_inserter(num),
-                     [](const std::string &s) { return std::stoi(s); });
+      CastStringVectorToIntVector(num_s, num);
 
       // decreasing
       bool safe = true;

day2/second.cpp

@@ -1,3 +1,4 @@
+#include "../include/useful_funcs.h"
 #include <algorithm>
 #include <cstddef>
 #include <errno.h>
@@ -7,18 +8,6 @@
 #include <string>
 #include <vector>
 
-std::vector<std::string> splitString(const std::string &str) {
-  std::istringstream iss(str);
-  std::vector<std::string> words;
-  std::string word;
-
-  while (iss >> word) {
-    words.push_back(word);
-  }
-
-  return words;
-}
-
 bool isSafe(const std::vector<int> &num, bool checkIncreasing) {
   for (size_t i = 1; i < num.size(); ++i) {
     int diff = checkIncreasing ? (num[i] - num[i - 1]) : (num[i - 1] - num[i]);
@@ -61,9 +50,7 @@ int main() {
       num_s = splitString(line);
       num.clear();
 
-      // Convert strings to integers
-      std::transform(num_s.begin(), num_s.end(), std::back_inserter(num),
-                     [](const std::string &s) { return std::stoi(s); });
+      CastStringVectorToIntVector(num_s, num);
 
       // Check safety with Problem Dampener support
       if (isSafeWithDampener(num)) {