Compilare: main.cpp: In function 'int main()': main.cpp:55:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &p, &q); ^ main.cpp: In function 'int maxfactprim(int)': main.cpp:19:10: warning: 'max1' may be used uninitialized in this function [-Wmaybe-uninitialized] return max1; ^~~~ main.cpp: In function 'int main()': main.cpp:26:14: warning: 'max1' may be used uninitialized in this function [-Wmaybe-uninitialized] sol += x / div; ~~^~~~~ main.cpp:7:10: note: 'max1' was declared here int i, max1; ^~~~