From 7ef18644e89aec99359ba0e033535a79089ad152 Mon Sep 17 00:00:00 2001
From: Rushil Umaretiya <rushilwiz@gmail.com>
Date: Wed, 21 Feb 2024 14:58:29 -0500
Subject: [PATCH] finished negate

---
 .gitignore |  3 ++-
 negate2s.c | 34 ++++++++++++++++++++++++++++++++--
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/.gitignore b/.gitignore
index 541caf4..239a9dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,9 +5,10 @@ signed
 twos
 negate2s
 f32
+.vscode
 
 # macOS
 .DS_Store
 
-# IDE
+# IDEif (i >= 0) 
 .idea
diff --git a/negate2s.c b/negate2s.c
index 6eacb4b..3059c1d 100644
--- a/negate2s.c
+++ b/negate2s.c
@@ -2,7 +2,37 @@
 // I pledge the COMP 211 honor code.
 
 #include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
 
-int main() {
+int main(int argc, char *argv[]) {
+    char input[33]; 
+    char output[33] = {'\0'};
+
+    strncpy(input, argv[1], 32);
+    input[32] = '\0';
+
+    for (int i = 0; i < 32; i++)
+        output[i] = (input[i] == '0') ? '1' : '0';
+    
+    output[32] = '\0';
+
+    if (input[0] == '1') {
+        int carry = 1;
+        for (int i = 31; i >= 0 && carry; i--) {
+            output[i] = (input[i] == '0') ? '1' : '0';
+            if (input[i] == '0') carry = 0;
+        }
+    } else {
+        int i = 31;
+        while (input[i] == '0' && i >= 0) {
+            output[i] = '0';
+            i--;
+        }
+
+        output[i] = '1';
+    }
+    
+    printf("%s\n", output);
     return EXIT_SUCCESS;
-}
+}
\ No newline at end of file