feat: implement risk risiko battle with dices

exercises/risk-risiko.cpp

@@ -27,3 +27,73 @@
   M 3 vs 3 => blue win
   O 2 vs 1 => red win
 */
+
+#include <iostream>
+#include <cstdlib>
+#include <string>
+#include <chrono>
+#include <algorithm>
+
+using namespace std;
+
+const int NUM_DICES_FOR_USER = 3;
+const int NUM_TOTAL_DICE = NUM_DICES_FOR_USER * 2;
+const short int RED_WIN = 1;
+const short int BLUE_WIN = -1;
+const unsigned short int FACES_DICES = 6;
+
+unsigned int * generateDicesNumber();
+void compareValue(unsigned int * dices);
+void showDices(unsigned int * dices);
+
+int main() {
+  unsigned int seed = static_cast<unsigned int>(
+    chrono::steady_clock::now().time_since_epoch().count()
+  );
+  srand(seed);
+
+  unsigned int * dices = generateDicesNumber();
+
+  sort(dices, dices+NUM_DICES_FOR_USER);
+  sort(dices+NUM_DICES_FOR_USER, dices+(NUM_DICES_FOR_USER*2));
+
+  showDices(dices);
+  compareValue(dices);
+
+  free(dices);
+  return EXIT_SUCCESS;
+}
+
+unsigned int * generateDicesNumber(){
+  unsigned int* dices = new unsigned int[NUM_TOTAL_DICE];
+
+  for(int i = 0; i < NUM_TOTAL_DICE; i++)
+    dices[i] = rand() % FACES_DICES + 1;
+
+  return dices;
+}
+
+void compareValue(unsigned int * dices) {
+  cout << endl << "  R    B";
+
+  for(int i = NUM_DICES_FOR_USER-1; i >= 0; i--) {
+    cout << endl << "N " << dices[i] << " vs " << dices[i+NUM_DICES_FOR_USER];
+
+    if(dices[i] > dices[i+NUM_DICES_FOR_USER])
+      cout << " => RED WIN";
+    else
+      cout << " => BLUE WIN";
+  }
+  cout << endl;
+}
+
+void showDices(unsigned int * dices){
+  cout << "\nBlue dices: " << endl;
+
+  for(int i = NUM_TOTAL_DICE-1; i >= 0; i--) {
+    if(i == 2)
+      cout << "\n\nRed dices: " << endl;
+
+    cout << dices[i] << endl;
+  }
+}