Update gen.cpp

gen.cpp

@@ -4,13 +4,12 @@
  / /  __/ /___/ /_
 / /__/_  __/_  __/
 \____//_/   /_/   
-    112 characters
+     96 characters
 
 Usage:
 g++ gen.cpp -o gen
 gen [KEY] [SITE]
 */
 
-#include<iostream>
-#define o(x) std::cout<<x
-main(int c,char**v){o(v[1]);for(int i=0;i<4;++i)o(char(v[2][i]^37));}
+#include<cstdio>
+main(int c,char**v){printf(v[1]);for(int i=0;i<4;++i)putchar(char(v[2][i]^37));}