Submission #1020919

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020919		Zicrus	Mechanical Doll (IOI18_doll)	C++17	6 / 100	49 ms	12864 KiB

doll

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

typedef long long ll;

vector<int> C, X, Y;

void connect(int a, vector<int> b) {
    if (b.empty()) return;

    if (b.size() == 1) {
        C[a] = b[0];
    }
    else {
        X.push_back(b[0]);
        Y.push_back(b[1]);
        C[a] = -X.size();
    }
}

void create_circuit(int M, vector<int> A) {
    A.push_back(0);
    C = vector<int>(M + 1);
    X = vector<int>(); Y = vector<int>();
    vector<vector<int>> adj(M + 1);
    int prev = 0;
    for(auto &e : A) {
        adj[prev].push_back(e);
        prev = e;
    }
    for (int i = 0; i < adj.size(); i++) {
        connect(i, adj[i]);
    }
    answer(C, X, Y);
    return;
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i = 0; i < adj.size(); i++) {
      |                     ~~^~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56