reduce use of std

main.cpp

@@ -3,16 +3,66 @@
 #include <sstream>
 #include <cstdio>
 
-#define pt cout <<
-#define pter cerr <<
+#define pt std::cout <<
+#define pter std::cerr <<
 #define nl "\n"
 
 using namespace std;
 
-// TODO: drop pair
-// remove global def of std
+// TODO: drop myPair
 // spam comments
 
+// -------- START PAIR IMPL --------
+template<typename T1, typename T2>
+struct myPair {
+    T1 first;
+    T2 second;
+
+    myPair() : first(), second() {}
+
+    myPair(const T1 &first, const T2 &second) : first(first), second(second) {}
+};
+
+// -------- END PAIR IMPL --------
+
+// -------- START HELPER FUNCTIONS --------
+void swapChar(char &a, char &b) {
+    if (a == b) {
+        return;
+    }
+    a ^= b;
+    b ^= a;
+    a ^= b;
+}
+
+// Recursively reverse a string
+void reverseString(string &str, int start, int end) {
+    if (start >= end) {
+        return;
+    }
+
+    swapChar(str[start], str[end]);
+
+    reverseString(str, start + 1, end - 1);
+}
+
+string toString(int x) {
+    if (!x) return "0";
+
+    string result;
+    while (x) {
+        result.push_back(x % 10 + '0');
+        x /= 10;
+    }
+    reverseString(result, 0, result.size() - 1);
+    return result;
+}
+
+int max(int a, int b) {
+    return a > b ? a : b;
+}
+// -------- END HELPER FUNCTIONS --------
+
 // -------- START RAII HELPERS--------
 
 unsigned long allocatedMem = 0;
@@ -107,39 +157,6 @@ bool isValidPlayer(char c) {
     return c >= 'A' && c <= 'Z' && c != 'X';
 }
 
-void swapChar(char &a, char &b) {
-    if (a == b) {
-        return;
-    }
-    a ^= b;
-    b ^= a;
-    a ^= b;
-}
-
-// Recursively reverse a string
-void reverseString(string &str, int start, int end) {
-    if (start >= end) {
-        return;
-    }
-
-    swapChar(str[start], str[end]);
-
-    reverseString(str, start + 1, end - 1);
-}
-
-
-string toString(int x) {
-    if (!x) return "0";
-
-    string result;
-    while (x) {
-        result.push_back(x % 10 + '0');
-        x /= 10;
-    }
-    reverseString(result, 0, result.size() - 1);
-    return result;
-}
-
 Moves serialize(const string &s) {
     Moves result;
     istringstream iss(s);
@@ -279,7 +296,7 @@ void printBoard(char **board, int x, int y) {
         }
         pt nl;
     }
-    pt endl;
+    pt std::endl;
 }
 
 char toLowerCase(char c) {
@@ -290,13 +307,13 @@ int normalize(char c) {
     return toLowerCase(c) - 'a';
 }
 
-void swap(pair<char, pair<int, bool> > *a, int i, int j) {
-    pair<char, pair<int, bool> > temp = a[i];
+void swap(myPair<char, myPair<int, bool> > *a, int i, int j) {
+    myPair<char, myPair<int, bool> > temp = a[i];
     a[i] = a[j];
     a[j] = temp;
 }
 
-void bubbleSort(pair<char, pair<int, bool> > *a) {
+void bubbleSort(myPair<char, myPair<int, bool> > *a) {
     for (int i = 0; i < 25; i++) {
         for (int j = 0; j < 25 - i; j++) {
             if (a[j].second.first > a[j + 1].second.first)
@@ -307,12 +324,12 @@ void bubbleSort(pair<char, pair<int, bool> > *a) {
 
 
 void printScores(int *points, char blacklist) {
-    pair<char, pair<int, bool> > *arr = static_cast<pair<char, pair<int, bool> > *>(alloc(
-            26 * sizeof(pair<char, pair<int, bool> >)));
+    myPair<char, myPair<int, bool> > *arr = static_cast<myPair<char, myPair<int, bool> > *>(alloc(
+            26 * sizeof(myPair<char, myPair<int, bool> >)));
 
     for (int i = 0; i < 26; i++) {
-        pair<char, pair<int, bool> > p;
-        pair<int, bool> p1;
+        myPair<char, myPair<int, bool> > p;
+        myPair<int, bool> p1;
         p1.first = points[i];
         p1.second = false;
         p.first = static_cast<char>(i + 'A');
@@ -349,7 +366,7 @@ void printScores(int *points, char blacklist) {
     }
 
     dealloc(arr);
-    pt endl;
+    pt std::endl;
 }
 
 bool isValidMove(int x, int y, char **board) {