Compilare: user.cpp: In function ‘void Read()’: user.cpp:15:19: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[1000010]’ [-Wformat=] scanf("%s", &s); ^ user.cpp: In function ‘void Solve()’: user.cpp:24:9: warning: unused variable ‘expand’ [-Wunused-variable] int expand, lmax, cmax,ii,ok; ^ user.cpp:24:17: warning: unused variable ‘lmax’ [-Wunused-variable] int expand, lmax, cmax,ii,ok; ^ user.cpp:24:23: warning: unused variable ‘cmax’ [-Wunused-variable] int expand, lmax, cmax,ii,ok; ^ user.cpp:24:28: warning: unused variable ‘ii’ [-Wunused-variable] int expand, lmax, cmax,ii,ok; ^ user.cpp:24:31: warning: unused variable ‘ok’ [-Wunused-variable] int expand, lmax, cmax,ii,ok; ^ user.cpp: In function ‘void Read()’: user.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^ user.cpp: In function ‘int main()’: user.cpp:74:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pscpld.in", "r", stdin); ^ user.cpp:75:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pscpld.out", "w", stdout); ^