Compilare: user.cpp: In function ‘void SetUp()’: user.cpp:14:26: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[2100000]’ [-Wformat=] fscanf(fin, "%s", &S); ^ user.cpp:13:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &N); ^ user.cpp:14:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &S); ^ user.cpp: In function ‘int Verif(int)’: user.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type] } ^