Submission #124447

#	Time	Username	Problem	Language	Result	Execution time	Memory
124447		anayk	Mechanical Doll (IOI18_doll)	C++14	0 / 100	2 ms	204 KiB

doll

#include "doll.h"
#include <iostream>

#define MAXN 200005

std::vector<int> x;
std::vector<int> y;

int make(std::vector<int> sam)
{
    if(sam.size() == 1)
        return sam[0];

    std::vector<int> sam1;
    std::vector<int> sam2;
    for(int i = 0; i < sam.size(); i++)
    {
        if(i % 2)
            sam2.push_back(sam[i]);
        else
            sam1.push_back(sam[i]);
    }

    int a = make(sam1);
    int b = make(sam2);

    x.push_back(a);
    y.push_back(b);

    return -x.size();
}

void create_circuit(int M, std::vector<int> A)
{
    int root = make(A);

    std::vector<int> c(M+1);
    for(int i = 0; i <= M; i++)
        c[i] = root;
    
    c[A[A.size() - 1]] = 0;
    
    answer(c, x, y);
}

Compilation message (stderr)

doll.cpp: In function 'int make(std::vector<int>)':
doll.cpp:16:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0; i < sam.size(); i++)
      |                    ~~^~~~~~~~~~~~

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