Eroare de compilare: user.cpp:10:1: error: ‘unordered_map’ does not name a type unordered_map< long long , int > mp1; ^ user.cpp: In function ‘bool check(long long int)’: user.cpp:26:5: error: ‘mp1’ was not declared in this scope mp1.clear(); ^ user.cpp:40:14: warning: statement has no effect [-Wunused-value] for(j;j<=lng[i];++j) ^ user.cpp: In function ‘int main()’: user.cpp:63:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,step; ^ user.cpp:60:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.in","r",stdin); ^ user.cpp:61:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsecvente2.out","w",stdout); ^ user.cpp:65:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); ^ user.cpp:68:21: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s[i]+1); ^