Compilare: main.cpp: In function 'int main()': main.cpp:32:38: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] fprintf(fout, "%d\n", divs.size()); ^ main.cpp:47:63: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(fout, "%d", (long long)P * lgput(Q, MOD - 2) % MOD); ^ main.cpp:19:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &cer, &L); ^