Compilare: user.cpp: In function ‘int main()’: user.cpp:41:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt = 0; ^ user.cpp:38:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &n, &b, &k); ^ user.cpp:45:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &s, &p); ^