From 6a0325b3ab8e4680de8b4786ada721a1e671157c Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Fri, 9 Dec 2016 18:42:45 +0100
Subject: Initial

---
 5a.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 5a.c

(limited to '5a.c')

diff --git a/5a.c b/5a.c
new file mode 100644
index 0000000..d8bbd7f
--- /dev/null
+++ b/5a.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include <openssl/md5.h>
+
+int main(void){
+	int counter=0;
+	char inbuf[100];
+	unsigned char outbuf[16];
+	int prelen;
+	scanf("%s%n",inbuf,&prelen);
+
+	for(int i=0;i<8;i++){
+		while(true){
+			int len=prelen+sprintf(inbuf+prelen,"%d",counter);
+			counter++;
+			MD5((const unsigned char*)inbuf,len,outbuf);
+			if(outbuf[0]==0&&outbuf[1]==0&&(outbuf[2]>>4)==0){
+				putchar("0123456789abcdef"[outbuf[2]&0xf]);
+				fflush(stdout);
+				break;
+			}
+		}
+	}
+	putchar('\n');
+}
-- 
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