Compilare: main.cpp: In function 'int main()': main.cpp:21:49: warning: variable 'bucket' set but not used [-Wunused-but-set-variable] long long n, k, t, m, i, prod, au, j, st, dr, bucket ; ^~~~~~ main.cpp:22:53: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld%lld%lld%lld", &n, &t, &k, &m ) ; ^ main.cpp:24:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld", &a[i] ) ; ^ main.cpp:26:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld", &b[i] ) ; ^