제출 #248544

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
248544		kostia244	자동 인형 (IOI18_doll)	C++17	28 / 100	185 ms	10496 KiB

doll

#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
const int inf = 1<<29;
int n, m;
vector<int> x, y;
int build(vector<int> a, int S) {
	//cout << S << " " << a.size() << endl;
	if(a.empty() || a.back() == -1) return -1;
	if(S == 1) return a.back();
	x.push_back(0);
	y.push_back(0);
	int id = (int)x.size();
	int cur = 1, t = max(0, (int)a.size() - (S/2));
	vector<int> b[2];
	//for(auto i : a) cout << i << " "; cout << '\n';
	while(a.size()) {
		b[cur || b[0].size() == t].push_back(a.back());
		a.pop_back();
		cur ^= 1;
	}
	for(int j = 0; j < 2; j++){
		reverse(b[j].begin(), b[j].end());
		//for(auto i : b[j]) cout << i << " "; cout << '\n';
	}
	int tt = build(b[0], S/2);
	x[id-1] = tt;
	tt = build(b[1], S/2);
	y[id-1] = tt;
	return -id;
}
void create_circuit(int M, vector<int> A) {
	m = M, n = A.size();
	A.push_back(0);
	int t = A.size();
	while(t&(t-1)) t++;
	build(A, t);
	/*
	for(int i = 0; i < x.size(); i++) cout << i+1 << " " << x[i] << " " << y[i] << '\n';
	vector<int> st(x.size());
	for(int p = 0, i = 0; i < 5*n; i++) {
		cout << p << " ";
		if(p < 0) {
			p = -p - 1;
			int op = p;
			if(!st[p]) st[p] = 1, p = x[p];
			else st[p] = 0, p = y[p];
		} else p = -1;
	}
	cout << '\n';*/
	answer(vector<int>(m+1, -1), x, y);
}

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'int build(std::vector<int>, int)':
doll.cpp:18:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   b[cur || b[0].size() == t].push_back(a.back());
      |            ~~~~~~~~~~~~^~~~

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