Compilare: user.cpp: In function ‘int main()’: user.cpp:129:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<rez[i].size(); j++) ^ user.cpp:134:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<rez[i].size(); j++) ^ user.cpp:105:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&nrnod,&nrmuc); ^ user.cpp:111:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&a,&b); ^