Compilare: main.cpp: In function 'int main()': main.cpp:95:19: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&T); ^ main.cpp:101:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&v[i]); ^ main.cpp: In function 'void decomposition(long long int)': main.cpp:43:32: warning: 'auxn' may be used uninitialized in this function [-Wmaybe-uninitialized] primeDivs.push_back(make_pair(auxn,1)); ~~~~~~~~~^~~~~~~~