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untitled.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+
+int counter = 0;
+
+void rec (char *str) {
+    for (size_t i = 0; str[i] != 0; ++i) {
+        if (str[i] == '0') {
+            int t = ++counter;
+            printf("    \"%s\" -> T%d [color=black]\n", str, t);
+            str[i] = '+';
+            printf("    T%d -> \"%s\" [color=green]\n", t, str);
+            rec(str);
+            str[i] = '-';
+            printf("    T%d -> \"%s\" [color=red]\n", t, str);
+            rec(str);
+            str[i] = '0';
+        }
+    }
+}
+
+int main2() {
+    char str[] = "0000\0";
+    printf("digraph {\n");
+    rec(str);
+    printf("    ");
+    if (counter > 1) {
+        printf("T1");
+    }
+    for (int i = 2; i <= counter; ++i) {
+        printf(", T%d", i);
+    }
+    if (counter > 1) {
+        printf(" [shape=point]");
+    }
+    printf("\n}\n");
+}
+
+int main(void) {
+    unsigned short int x = 65535; // 1111 1111 1111 1111
+    short int y = x;
+    printf("%d", y);
+}