HW2: 找出所有可能的組合

2 files changed, 36 insertions, 4 deletions

diff --git a/hw2/big_judge.c b/hw2/big_judge.c
index 1d39e81..fbb21cf 100644
--- a/hw2/big_judge.c
+++ b/hw2/big_judge.c
@@ -6,6 +6,23 @@
 #include "logger.h"
 #include "xwrap.h"
 
+#include <stdbool.h>
+#include <stdio.h>
+
+bool comb4 (Comp135* comp, int players[], int player_num) {
+	for (int i = 3; i >= 0; i--) {
+		if (players[i] + 1 <= player_num &&
+			players[i] + 1 + (3 - i) <= player_num) {
+			players[i]++;
+			for (int j = i + 1; j < 4; j++) {
+				players[j] = players[j - 1] + 1;
+			}
+			return true;
+		}
+	}
+	return false;
+}
+
 int main (int argc, char* argv[]) {
 	if (argc < 2) {
 		fprintf (stderr, "Usage: %s judge_num player_num\n", argv[0]);
@@ -27,17 +44,19 @@ int main (int argc, char* argv[]) {
 		fprintf (stderr, "%s: `%s\' is not a number\n", argv[0], argv[2]);
 		return 2;
 	}
-	if (judge_num < 4) {
+	if (player_num < 4) {
 		fprintf (stderr, "%s: player_num must be greater than 4\n", argv[0]);
 		return 3;
 	}
 
-	Comp135 comp;
-	comp135_init (&comp, argv[0], false);
+	Comp135 comp_struct, *comp;
+	comp = &comp_struct;
 
+	comp135_init (comp, argv[0], false);
 
+	int players[4] = {1, 2, 3, 4};
 
-	comp135_destroy (&comp);
+	comp135_destroy (comp);
 
 	return 0;
 }
diff --git a/hw2/configure.ac b/hw2/configure.ac
index 61406f0..380edd5 100644
--- a/hw2/configure.ac
+++ b/hw2/configure.ac
@@ -8,6 +8,19 @@ AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([foreign])
 AM_SILENT_RULES([yes])
 
+# Checks for hosts.
+AC_CANONICAL_HOST
+AC_CANONICAL_BUILD
+AH_TEMPLATE([OS_IS_LINUX])
+AH_TEMPLATE([OS_IS_FREEBSD])
+case "$host_os" in
+    *linux*)
+        AC_DEFINE([OS_IS_LINUX], [1])
+        ;;
+	*freebsd*)
+        AC_DEFINE([OS_IS_FREEBSD], [1])
+esac
+
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CC_C99