Create threesum.cpp

threesum.cpp

@@ -0,0 +1,20 @@
+#include <bits/stdc++.h>
+using namespace std;
+bool findTriplet(int arr[], int arr_size, int sum) {
+   for (int i = 0; i < arr_size - 2; i++) {
+      for (int j = i + 1; j < arr_size - 1; j++) {
+         for (int k = j + 1; k < arr_size; k++) {
+            if (arr[i] + arr[j] + arr[k] == sum) {
+               cout << arr[i] << " " << arr[j] << " " << arr[k] << endl;
+               return true;
+            }
+         }
+      }
+   }
+   return false;
+}
+int main() {
+   int arr[] = { 1, 2, 3, 4, 5, 6, 7 };
+   findTriplet(arr, 7, 12);
+   return 0;
+}