Submission #306878

#	Time	Username	Problem	Language	Result	Execution time	Memory
306878		ivan24	Counting Mushrooms (IOI20_mushrooms)	C++14	Compilation error	0 ms	0 KiB

mushrooms

);
        add_type(x,res);
    }

    bool addTwo(ll x, ll y){
        bool t = 0;
        if (byType[t].size() < 2){
            t = 1;
        }
        ll res = use_machine(vi{x,byType[t][0],y,byType[t][1]});
        add_type(x,(res&1) ? !t : t);
        add_type(y,(res&2) ? !t : t);
    }
public:
    Solver(ll n): n(n), isChecked(n,0), type(n,-1), ctr(2,0), byType(2){
        type[0] = 0;
        ctr[0]++;
        byType[0].push_back(0);
    }

    int solve(){
        addOne(1);
        if (n > 2){
            addOne(2);
            for (ll i = 2; n > 2*i; i++){
                addTwo(2*i-1,2*i);
            }
            if (type[n-1] == -1){
                addOne(n-1);
            }
        }
        return ctr[0];
    }
};

int count_mushrooms(int n) {
    Solver mySolver(n);
    return mySolver.solve();
}

Compilation message (stderr)

mushrooms.cpp:1:1: error: expected unqualified-id before ')' token
    1 | );
      | ^
mushrooms.cpp:2:17: error: expected constructor, destructor, or type conversion before '(' token
    2 |         add_type(x,res);
      |                 ^
mushrooms.cpp:3:5: error: expected declaration before '}' token
    3 |     }
      |     ^
mushrooms.cpp:5:17: error: 'll' was not declared in this scope
    5 |     bool addTwo(ll x, ll y){
      |                 ^~
mushrooms.cpp:5:23: error: 'll' was not declared in this scope
    5 |     bool addTwo(ll x, ll y){
      |                       ^~
mushrooms.cpp:5:27: error: expression list treated as compound expression in initializer [-fpermissive]
    5 |     bool addTwo(ll x, ll y){
      |                           ^
mushrooms.cpp:14:1: error: expected unqualified-id before 'public'
   14 | public:
      | ^~~~~~
mushrooms.cpp: In function 'int solve()':
mushrooms.cpp:22:9: error: 'addOne' was not declared in this scope
   22 |         addOne(1);
      |         ^~~~~~
mushrooms.cpp:23:13: error: 'n' was not declared in this scope
   23 |         if (n > 2){
      |             ^
mushrooms.cpp:25:18: error: 'll' was not declared in this scope
   25 |             for (ll i = 2; n > 2*i; i++){
      |                  ^~
mushrooms.cpp:25:34: error: 'i' was not declared in this scope
   25 |             for (ll i = 2; n > 2*i; i++){
      |                                  ^
mushrooms.cpp:26:33: error: 'addTwo' cannot be used as a function
   26 |                 addTwo(2*i-1,2*i);
      |                                 ^
mushrooms.cpp:28:17: error: 'type' was not declared in this scope
   28 |             if (type[n-1] == -1){
      |                 ^~~~
mushrooms.cpp:32:16: error: 'ctr' was not declared in this scope
   32 |         return ctr[0];
      |                ^~~
mushrooms.cpp: At global scope:
mushrooms.cpp:34:1: error: expected declaration before '}' token
   34 | };
      | ^
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:37:5: error: 'Solver' was not declared in this scope; did you mean 'solve'?
   37 |     Solver mySolver(n);
      |     ^~~~~~
      |     solve
mushrooms.cpp:38:12: error: 'mySolver' was not declared in this scope
   38 |     return mySolver.solve();
      |            ^~~~~~~~