From 02af482c320ac71d9c85a89c1345c7e91855dabd Mon Sep 17 00:00:00 2001
From: bellard <bellard>
Date: Thu, 14 Apr 2005 23:56:18 +0000
Subject: moved examples

---
 ex2.c | 97 -------------------------------------------------------------------
 1 file changed, 97 deletions(-)
 delete mode 100644 ex2.c

(limited to 'ex2.c')

diff --git a/ex2.c b/ex2.c
deleted file mode 100644
index 6368bee..0000000
--- a/ex2.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#include "tcclib.h"
-
-#define N 20
-
-int nb_num;
-int tab[N];
-int stack_ptr;
-int stack_op[N];
-int stack_res[60];
-int result;
-
-int find(int n, int i1, int a, int b, int op)
-{
-    int i, j;
-    int c;
-
-    if (stack_ptr >= 0) {
-        stack_res[3*stack_ptr] = a;
-        stack_op[stack_ptr] = op;
-        stack_res[3*stack_ptr+1] = b;
-        stack_res[3*stack_ptr+2] = n;
-        if (n == result)
-            return 1;
-        tab[i1] = n;
-    }
-    
-    for(i=0;i<nb_num;i++) {
-        for(j=i+1;j<nb_num;j++) {
-            a = tab[i];
-            b = tab[j];
-            if (a != 0 && b != 0) {
-
-                tab[j] = 0;
-                stack_ptr++;
-
-                if (find(a + b, i, a, b, '+'))
-                    return 1;
-                if (find(a - b, i, a, b, '-'))
-                    return 1;
-                if (find(b - a, i, b, a, '-'))
-                    return 1;
-                if (find(a * b, i, a, b, '*'))
-                    return 1;
-                if (b != 0) {
-                    c = a / b;
-                    if (find(c, i, a, b, '/'))
-                        return 1;
-                }
-
-                if (a != 0) {
-                    c = b / a;
-                    if (find(c, i, b, a, '/'))
-                        return 1;
-                }
-                
-                stack_ptr--;
-                tab[i] = a;
-                tab[j] = b;
-            }
-        }
-    }
-
-    return 0;
-}
-
-int main(int argc, char **argv)
-{
-    int i, res, p;
-    
-    if (argc < 3) {
-        printf("usage: %s: result numbers...\n"
-               "Try to find result from numbers with the 4 basic operations.\n", argv[0]);
-        exit(1);
-    }
-
-    p = 1;
-    result = atoi(argv[p]);
-    printf("result=%d\n", result);
-    nb_num = 0;
-    for(i=p+1;i<argc;i++) {
-        tab[nb_num++] = atoi(argv[i]);
-    }
-
-    stack_ptr = -1;
-    res = find(0, 0, 0, 0, ' ');
-    if (res) {
-        for(i=0;i<=stack_ptr;i++) {
-            printf("%d %c %d = %d\n", 
-                   stack_res[3*i], stack_op[i],
-                   stack_res[3*i+1], stack_res[3*i+2]);
-        }
-        return 0;
-    } else {
-        printf("Impossible\n");
-        return 1;
-    }
-}
-- 
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