Compilare: user.cpp: In function ‘int main()’: user.cpp:113:14: warning: unused variable ‘ok’ [-Wunused-variable] bool ok = 1; ^ user.cpp:76:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d %d %d " ,&n,&t,&k,&m); ^ user.cpp:82:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&a[i]); ^ user.cpp:85:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&b[i]); ^