Submission #95720

#	Time	Username	Problem	Language	Result	Execution time	Memory
95720		dwsc	Mechanical Doll (IOI18_doll)	C++14	Compilation error	0 ms	0 KiB

doll

#include <bits/stdc++.h>
using namespace std;

void create_circuit(int M, std::vector<int> A) {
    int N = A.size();
    std::vector<int> C(M + 1);
    vector<int> X,Y;
    for (int i = 0; i <= M; i++) C[i] = 1e9;
    int cur = 0;
    int num = 1;
    for (int i = 0; i < N; i++){
        if (C[cur] == 1e9){
            C[cur] = A[i];
        }
        else{
            X.push_back(C[cur]);
            Y.push_back(A[i]);
            C[cur] = -num;
            num++;
        }
        cur = A[i];
    }
    for (int i = 0; i<= M; i++){
        if (C[i] == 1e9) C[i] = 0;
        //cout << C[i] << " ";
    }
    answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:27:5: error: 'answer' was not declared in this scope
   27 |     answer(C, X, Y);
      |     ^~~~~~