Adding medium/hard puzzles & challenges...

puzzles/medium/dont-panic-episode-1.cpp

@@ -0,0 +1,77 @@
+// https://www.codingame.com/ide/puzzle/don't-panic-episode-1
+// Xavier Morel - 2016-03-14
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <cstring>
+
+using namespace std;
+
+/**
+ * Auto-generated code below aims at helping you parse
+ * the standard input according to the problem statement.
+ **/
+int main()
+{
+    int nbFloors; // number of floors
+
+    int width; // width of the area
+    int nbRounds; // maximum number of rounds
+    int exitFloor; // floor on which the exit is found
+    int exitPos; // position of the exit on its floor
+
+    int nbTotalClones; // number of generated clones
+    int nbAdditionalElevators; // ignore (always zero)
+    int nbElevators; // number of elevators
+    cin >> nbFloors >> width >> nbRounds >> exitFloor >> exitPos >> nbTotalClones >> nbAdditionalElevators >> nbElevators; cin.ignore();
+
+    int floors[nbFloors];
+    memset(floors, 0, nbFloors);
+    floors[exitFloor] = exitPos;
+
+    for (int i = 0; i < nbElevators; i++) {
+        int elevatorFloor; // floor on which this elevator is found
+        int elevatorPos; // position of the elevator on its floor
+        cin >> elevatorFloor >> elevatorPos; cin.ignore();
+        floors[elevatorFloor] = elevatorPos;
+    }
+
+    //    bool firstTurn = true;
+
+    // game loop
+    while (1) {
+        int cloneFloor; // floor of the leading clone
+        int clonePos; // position of the leading clone on its floor
+        string direction; // direction of the leading clone: LEFT or RIGHT
+        cin >> cloneFloor >> clonePos >> direction; cin.ignore();
+
+        // Write an action using cout. DON'T FORGET THE "<< endl"
+        // To debug: cerr << "Debug messages..." << endl;
+
+        int prevDestPos = (cloneFloor > 0 ? floors[cloneFloor - 1] : -1);
+        int destPos = floors[cloneFloor];
+        cerr << "Clone " << clonePos << " " << destPos << endl;
+
+        if (cloneFloor == -1 && clonePos == -1 && direction == "NONE") {
+            cerr << "no clone" << endl;
+            cout << "WAIT" << endl;
+        } else if (
+            (clonePos == width - 1 && direction == "RIGHT")
+            || (clonePos == 0 && direction == "LEFT")
+            ) {
+            cerr << "avoid laser" << endl;
+            cout << "BLOCK" << endl;
+        } else if (prevDestPos != clonePos && (
+                       (clonePos > destPos && direction != "LEFT")
+                       || (clonePos < destPos && direction != "RIGHT")
+                       )
+            ) {
+            cerr << "Not the right direction" << endl;
+            cout << "BLOCK" << endl;
+        } else {
+            cerr << "..." << endl;
+            cout << "WAIT" << endl;
+        }
+    }
+}