Compilare: user.cpp: In function ‘int main()’: user.cpp:21:9: warning: unused variable ‘ver’ [-Wunused-variable] int ver = 1, L = N, ramase; ^ user.cpp:15:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %lld", &N, &B); ^ user.cpp:17:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^ user.cpp:39:14: warning: ‘J’ may be used uninitialized in this function [-Wmaybe-uninitialized] dr = v[J + 1]; ^