Submission #306690

#	Time	Username	Problem	Language	Result	Execution time	Memory
306690		ivan24	Counting Mushrooms (IOI20_mushrooms)	C++14	Compilation error	0 ms	0 KiB

mushrooms

        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 (n%2 == 1){
            addOne(n-1);
        }
        return ctr[0];
    }
};

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

Compilation message (stderr)

mushrooms.cpp:3:9: error: expected unqualified-id before 'if'
    3 |         if (byType[t].size() < 2){
      |         ^~
mushrooms.cpp:6:9: error: 'll' does not name a type
    6 |         ll res = use_machine(vi{x,byType[t][0],y,byType[t][1]});
      |         ^~
mushrooms.cpp:6:63: error: expected unqualified-id before ')' token
    6 |         ll res = use_machine(vi{x,byType[t][0],y,byType[t][1]});
      |                                                               ^
mushrooms.cpp:7:17: error: expected constructor, destructor, or type conversion before '(' token
    7 |         add_type(x,(res&1) ? !t : t);
      |                 ^
mushrooms.cpp:8:17: error: expected constructor, destructor, or type conversion before '(' token
    8 |         add_type(y,(res&2) ? !t : t);
      |                 ^
mushrooms.cpp:9:5: error: expected declaration before '}' token
    9 |     }
      |     ^
mushrooms.cpp:10:1: error: expected unqualified-id before 'public'
   10 | public:
      | ^~~~~~
mushrooms.cpp: In function 'int solve()':
mushrooms.cpp:18:9: error: 'addOne' was not declared in this scope
   18 |         addOne(1);
      |         ^~~~~~
mushrooms.cpp:19:13: error: 'n' was not declared in this scope
   19 |         if (n > 2) addOne(2);
      |             ^
mushrooms.cpp:20:14: error: 'll' was not declared in this scope
   20 |         for (ll i = 2; n > 2*i; i++){
      |              ^~
mushrooms.cpp:20:24: error: 'n' was not declared in this scope
   20 |         for (ll i = 2; n > 2*i; i++){
      |                        ^
mushrooms.cpp:20:30: error: 'i' was not declared in this scope
   20 |         for (ll i = 2; n > 2*i; i++){
      |                              ^
mushrooms.cpp:21:13: error: 'addTwo' was not declared in this scope
   21 |             addTwo(2*i-1,2*i);
      |             ^~~~~~
mushrooms.cpp:23:13: error: 'n' was not declared in this scope
   23 |         if (n%2 == 1){
      |             ^
mushrooms.cpp:26:16: error: 'ctr' was not declared in this scope
   26 |         return ctr[0];
      |                ^~~
mushrooms.cpp: At global scope:
mushrooms.cpp:28:1: error: expected declaration before '}' token
   28 | };
      | ^
mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:31:5: error: 'Solver' was not declared in this scope; did you mean 'solve'?
   31 |     Solver mySolver(n);
      |     ^~~~~~
      |     solve
mushrooms.cpp:32:12: error: 'mySolver' was not declared in this scope
   32 |     return mySolver.solve();
      |            ^~~~~~~~