Added HackerRank solutions for compare the triplets

Hackerrank/compare-the-triplets.cpp

@@ -0,0 +1,109 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+string ltrim(const string &);
+string rtrim(const string &);
+vector<string> split(const string &);
+
+// Complete the compareTriplets function below.
+vector<int> compareTriplets(vector<int> a, vector<int> b) {
+    vector<int> c = {0,0};
+
+    for(int i = 0; i < a.size(); i++) {
+        if(a[i] > b[i]) {
+            c[0] += 1;
+        }
+        else if (b[i] > a[i]){
+            c[1] += 1;
+        }
+    }
+
+    return c;
+}
+
+int main()
+{
+    ofstream fout(getenv("OUTPUT_PATH"));
+
+    string a_temp_temp;
+    getline(cin, a_temp_temp);
+
+    vector<string> a_temp = split(rtrim(a_temp_temp));
+
+    vector<int> a(3);
+
+    for (int i = 0; i < 3; i++) {
+        int a_item = stoi(a_temp[i]);
+
+        a[i] = a_item;
+    }
+
+    string b_temp_temp;
+    getline(cin, b_temp_temp);
+
+    vector<string> b_temp = split(rtrim(b_temp_temp));
+
+    vector<int> b(3);
+
+    for (int i = 0; i < 3; i++) {
+        int b_item = stoi(b_temp[i]);
+
+        b[i] = b_item;
+    }
+
+    vector<int> result = compareTriplets(a, b);
+
+    for (int i = 0; i < result.size(); i++) {
+        fout << result[i];
+
+        if (i != result.size() - 1) {
+            fout << " ";
+        }
+    }
+
+    fout << "\n";
+
+    fout.close();
+
+    return 0;
+}
+
+string ltrim(const string &str) {
+    string s(str);
+
+    s.erase(
+        s.begin(),
+        find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
+    );
+
+    return s;
+}
+
+string rtrim(const string &str) {
+    string s(str);
+
+    s.erase(
+        find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
+        s.end()
+    );
+
+    return s;
+}
+
+vector<string> split(const string &str) {
+    vector<string> tokens;
+
+    string::size_type start = 0;
+    string::size_type end = 0;
+
+    while ((end = str.find(" ", start)) != string::npos) {
+        tokens.push_back(str.substr(start, end - start));
+
+        start = end + 1;
+    }
+
+    tokens.push_back(str.substr(start));
+
+    return tokens;
+}