Compilare: user.cpp: In function ‘bool solve(char*)’: user.cpp:22:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Lista[Hash].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:29:23: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>n>>m>>l>>k>>a+1;; ^ user.cpp:32:18: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin>>c[i]+1; ^