Compilare: user.cpp: In function ‘int main()’: user.cpp:20:19: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[1000002]’ [-Wformat=] fscanf(f,"%s",&s); ^ user.cpp:15:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ user.cpp:19:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&k); ^ user.cpp:20:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&s); ^