Eroare de compilare: user.cpp:19:1: error: ‘unordered_map’ does not name a type unordered_map<pair<int,int>,int>tb; ^ user.cpp: In function ‘int main()’: user.cpp:56:12: error: ‘tb’ was not declared in this scope if(tb[mp(x-1,y)]!=0) connect(i,tb[mp(x-1,y)]); ^ user.cpp:57:12: error: ‘tb’ was not declared in this scope if(tb[mp(x+1,y)]!=0) connect(i,tb[mp(x+1,y)]); ^ user.cpp:58:12: error: ‘tb’ was not declared in this scope if(tb[mp(x,y-1)]!=0) connect(i,tb[mp(x,y-1)]); ^ user.cpp:59:12: error: ‘tb’ was not declared in this scope if(tb[mp(x,y+1)]!=0) connect(i,tb[mp(x,y+1)]); ^ user.cpp:60:9: error: ‘tb’ was not declared in this scope tb[mp(x,y)]=i; ^ user.cpp:48:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("banana.in","r",stdin); ^ user.cpp:49:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("banana.out","w",stdout); ^ user.cpp:50:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:55:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^