Compilare: user.cpp: In function ‘int main()’: user.cpp:8:35: warning: unused variable ‘ok’ [-Wunused-variable] long long N, ind1, ind2, i, max, ok = 0, best, X, index; ^ user.cpp:9:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &N); ^ user.cpp:10:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &X); ^ user.cpp:16:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lld", &X); ^