Compilare: user.cpp: In function ‘int main()’: user.cpp:36:42: warning: operation on ‘len’ may be undefined [-Wsequence-point] traseu[++len]=traseu[len-1]+1; ^ user.cpp:38:52: warning: operation on ‘len’ may be undefined [-Wsequence-point] traseu[++len]=nextBigger[traseu[len-1]]; ^ user.cpp:74:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j+diflevel<=s) ^