From 442a49ad5a48d417345959b903ae6a6d32d55759 Mon Sep 17 00:00:00 2001
From: Haidong Ji
Date: Fri, 15 Apr 2022 15:51:30 -0500
Subject: Great C programming fun

Excellent fundamentals and displine training, many tools and techniques
exercises: gdb, emacs, valgrind, git
---
 10_gdb/game.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 10_gdb/game.c

(limited to '10_gdb/game.c')

diff --git a/10_gdb/game.c b/10_gdb/game.c
new file mode 100644
index 0000000..a7459d3
--- /dev/null
+++ b/10_gdb/game.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+int getSecretNumber(void); //prototype, implemented elsewhere.
+
+int getOtherSN(int which); //prototype, implemented elsewhere.
+
+int main(void) {
+  int guessesMade = 0;
+  int yourGuess;
+  char buffer[1024];
+  int myNumber = getSecretNumber();
+
+  printf("I'm thinking of a number...\n");
+  printf("What number do you guess?\n");
+  if(fgets(buffer, 1024, stdin) == NULL) {
+    printf("Oh no, you are giving up?  You lose...\n");
+    return EXIT_FAILURE;
+  }
+  yourGuess = atoi(buffer);
+  if(yourGuess != myNumber) {
+    printf("I'm sorry, that is not right.  You lose\n");
+    return EXIT_FAILURE;
+  }
+  printf("Correct! You win round1!\n");
+  
+  int total = 0;
+  for (int i = 0; i <= 5678; i++) {
+    total = total ^ getOtherSN(i);
+  }
+  printf("Ok, time for round 2. I have another secret number.\n");
+  printf("Your guess:\n");
+  if(fgets(buffer, 1024, stdin) == NULL) {
+    printf("Oh no, you are giving up?  You lose...\n");
+    return EXIT_FAILURE;
+  }
+  yourGuess = atoi(buffer);
+  if (yourGuess == total) {
+    printf("You win round 2 also!\n");
+    return EXIT_SUCCESS;
+  }
+  printf("Sorry, you did not win the second round\n");
+  return EXIT_FAILURE;
+}
-- 
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