Compilare: user.cpp: In function ‘int main()’: user.cpp:16:21: warning: variable ‘r1’ set but not used [-Wunused-but-set-variable] int n, k, cer, x, r1, r2, rmax, wind; ^ user.cpp:19:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &cer, &n, &k); ^ user.cpp:21:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^