Submission #1009660

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1009660	2024-06-27T18:46:03 Z	aaaaaarroz	Mechanical Doll (IOI18_doll)	C++17	Compilation error	0 ms	0 KB

doll

#include <bits/stdc++.h>
 
using namespace std;
 
int S = 0;
vector<int> X, Y;
 
int create_switch(int L, int R) {
    X.push_back(L);
    Y.push_back(R);
    S++;
    return -S;
}
 
int build(vector<int> v) {
    if ((int)v.size() == 1) {
        return v[0];
    }
    if (v[0] == -1 && v.back() == -1) {
        return -1;
    }
    int m = (int)v.size();
    int L, R;
    if (m & 1) {
        if (v.back()) {
            v.push_back(-1);
        } else {
            v.pop_back();
            v.push_back(-1);
            v.push_back(0);
        }
        m++;
    }
    vector<int> lv, rv;
    for (int i = 0; i < m; i++) {
        if (i & 1) rv.push_back(v[i]);
        else lv.push_back(v[i]);
    }
 
    L = build(lv);
    R = build(rv);
    return create_switch(L, R);
}
 
void create_circuit(int M, vector<int> A) {
    A.push_back(0);
    int t = A[0];
    A.erase(A.begin());
 
    create_switch(-1, -1);
    
    int root = build(A);
    Y[0] = root;
    vector<int> C(M + 1, root);
    C[0] = t;
    
    answer(C, X, Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:57:5: error: 'answer' was not declared in this scope
   57 |     answer(C, X, Y);
      |     ^~~~~~