Compilare: user.cpp: In function ‘bool verif(int, int)’: user.cpp:28:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<strlen(s1); j++) ^ user.cpp:30:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<strlen(s2); j++) ^ user.cpp: In function ‘bool bun(int, int)’: user.cpp:53:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(q>1) ^ user.cpp: In function ‘int main()’: user.cpp:88:37: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] cuv[i][strlen(cuv[i])-1]=NULL; ^ user.cpp: In function ‘bool verif(int, int)’: user.cpp:23:23: warning: iteration 122u invokes undefined behavior [-Waggressive-loop-optimizations] car1[i]=car2[i]=0; ^ user.cpp:22:17: note: containing loop for(int i=1;i<=123;i++) ^