Problem 84 - not working yet

84.c

@@ -0,0 +1,113 @@
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+
+#define GO   0
+#define JAIL 10
+#define G2J  30
+
+#define CC1  2
+#define CC2  17
+#define CC3  33
+
+#define CH1  7
+#define CH2  22
+#define CH3  36
+
+#define C1   11
+#define E3   24
+#define H2   39
+
+#define R1   5
+#define R2   15
+#define R3   25
+
+#define U1   12
+#define U2   28
+
+int CC[2] = {GO, JAIL};
+int CH[6] = {GO, JAIL, C1, E3, H2, R1};
+
+unsigned long long freq[40] = {0};
+int doubleRolls = 0;
+int position = GO;
+int communityChestIndex = 0;
+int chanceIndex = 0;
+
+void moveToSquare(int square) {
+    position = square;
+    freq[square]++;
+}
+
+void communityChest() {
+    communityChestIndex = ++communityChestIndex % 16;
+    if (communityChestIndex == 1 || communityChestIndex == 2) {
+        moveToSquare(CC[communityChestIndex - 1]);
+    } else {
+        moveToSquare(position);
+    }
+}
+
+void chance() {
+    chanceIndex = ++chanceIndex % 16;
+    if (chanceIndex >= 1 && chanceIndex <= 6) {
+        moveToSquare(CC[chanceIndex - 1]);
+    } else if (chanceIndex == 7 || chanceIndex == 8) {
+        if (position == CH1) {
+            moveToSquare(R2);
+        } else if (position == CH2) {
+            moveToSquare(R3);
+        } else {
+            moveToSquare(R1);
+        }
+    } else if (chanceIndex == 9) {
+        if (position == CH2) {
+            moveToSquare(U2);
+        } else {
+            moveToSquare(U1);
+        }
+    } else if (chanceIndex == 10) {
+        position -= 3;
+        if (position == CH3) {
+            communityChest();
+        } else {
+            moveToSquare(position);
+        }
+    } else {
+        moveToSquare(position);
+    }
+}
+
+int main(void) {
+    srand(time(NULL));
+
+    for (unsigned long long i = 0; i < 20000000; i++) {
+        int die1 = (rand() % 4) + 1;
+        int die2 = (rand() % 4) + 1;
+        int dice = die1 + die2;
+
+        if (die1 == die2) {
+            doubleRolls = ++doubleRolls % 3;
+            if (doubleRolls == 0) {
+                moveToSquare(JAIL);
+                continue;
+            }
+        }
+
+        position = (position + dice) % 40;
+        if (position == G2J) {
+            moveToSquare(JAIL);
+        } else if (position == CC1 || position == CC2 || position == CC3) {
+            communityChest();
+        } else if (position == CH1 || position == CH2 || position == CH3) {
+            chance();
+        } else {
+            moveToSquare(position);
+        }
+    }
+    
+    for (int i = 0; i < 40; i++) {
+        printf("%02d: %llu\n", i, freq[i]);
+    }
+}