Compilare: user.cpp: In function ‘int main()’: user.cpp:24:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<=strlen(c)-1;++j) ^ user.cpp:37:17: warning: array subscript is above array bounds [-Warray-bounds] car[1]=s[sol]; ^ user.cpp:41:32: warning: array subscript is above array bounds [-Warray-bounds] if (s[sol]!=car[1]) {stop=true;break;} ^