Submission #1229587

#	Time	Username	Problem	Language	Result	Execution time	Memory
1229587		yixuan19	Carnival (CEOI14_carnival)	C++20	Compilation error	0 ms	0 KiB

carnival

#include <iostream>

using namespace std;

int main(){
    
    int N;
    cin >> N;
    vector<int> sol(N+1,0);
    
    cout<<2<<' '<<1<<' '<<2<<endl;
    int res;
    cin >> res;
    if (res == 2){
        sol[1] = 1;
        sol[2] = 2;
    }else{
        sol[1] = 1;
        sol[2] = 1;
    }
    // for (int i = 1; i <= N; ++i){
    //     cout<<sol[i]<<' ';
    // }
    // cout<<endl;
    vector<int> people;
    int num = 2;
    people.push_back(1);
    people.push_back(2);
    int memo = res;
    for (int i = 3; i <= N; ++i){
        people.push_back(i);
        num++;
        cout<<num<<' ';
        for (int in: people){
            cout<<in<<' ';
        }
        cout<<endl;
        cin >> res;
        if (res > memo){
            sol[i] = res;
            memo = res;
        }else{
            bool found = false;
            for (int j = 1; j < i-1; ++j){
                cout<<2<<' '<<j<<' '<<i<<endl;
                cin >> res;
                if (res == 1){
                    sol[i] = sol[j];
                    found = true;
                    break;
                }
            }
            if (!found){
                sol[i] = sol[i-1];
            }
        }
        // for (int i = 1; i <= N; ++i){
        //     cout<<sol[i]<<' ';
        // }
        // cout<<endl;
        
    }
    cout<<0<<' ';
    for (int i = 1; i <= N; ++i){
        cout<<sol[i]<<' ';
    }
    cout<<endl;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:9:5: error: 'vector' was not declared in this scope
    9 |     vector<int> sol(N+1,0);
      |     ^~~~~~
carnival.cpp:2:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | 
carnival.cpp:9:12: error: expected primary-expression before 'int'
    9 |     vector<int> sol(N+1,0);
      |            ^~~
carnival.cpp:15:9: error: 'sol' was not declared in this scope
   15 |         sol[1] = 1;
      |         ^~~
carnival.cpp:18:9: error: 'sol' was not declared in this scope
   18 |         sol[1] = 1;
      |         ^~~
carnival.cpp:25:12: error: expected primary-expression before 'int'
   25 |     vector<int> people;
      |            ^~~
carnival.cpp:27:5: error: 'people' was not declared in this scope
   27 |     people.push_back(1);
      |     ^~~~~~
carnival.cpp:40:13: error: 'sol' was not declared in this scope
   40 |             sol[i] = res;
      |             ^~~
carnival.cpp:48:21: error: 'sol' was not declared in this scope
   48 |                     sol[i] = sol[j];
      |                     ^~~
carnival.cpp:54:17: error: 'sol' was not declared in this scope
   54 |                 sol[i] = sol[i-1];
      |                 ^~~
carnival.cpp:65:15: error: 'sol' was not declared in this scope
   65 |         cout<<sol[i]<<' ';
      |               ^~~