Compilare: user.cpp: In function ‘void rezolvare(int)’: user.cpp:63:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<alese[act].size(); k++) ^ user.cpp: In function ‘int main()’: user.cpp:133:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&n,&m); ^ user.cpp:141:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&a,&b); ^