제출 #846149

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
846149		vjudge1	ČVENK (COI15_cvenk)	C++17	0 / 100	54 ms	3612 KiB

cvenk

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

#define int int64_t

#define all(x) (x).begin(),(x).end()

#define x first
#define y second

signed main() {
	//ios_base::sync_with_stdio(false);
	//cin.tie();
	
	int n; cin >> n;

	vector<pair<int, int>> v(n);

	for (auto& i: v) cin >> i.x >> i.y;

	vector<pair<int, int>> vc(v);

	vector<pair<int, int>> path1;
	vector<pair<int, int>> path2;
	
	for (int i = 1; i < 40; i++){
		path1.push_back(v[0]);

		v[0].x -= (v[0].x)%(1<<i);
		v[0].y -= (v[0].y)%(1<<i);
	}


	for (int i = 1; i < 40; i++){
		path2.push_back(v[1]);

		v[1].x -= (v[1].x)%(1<<i);
		v[1].y -= (v[1].y)%(1<<i);
	}

	int ans = 1e16;

	/*
	for (auto& i: path1){
		cout << i.x << ' ' << i.y << endl;
	}
	cout << endl;
	for (auto& i: path2){
		cout << i.x << ' ' << i.y << endl;
	}
	*/

	for (int i = 0; i < path1.size(); i++){
		for (int j = 0; j < path2.size(); j++){
			if (path1[i] == path2[j]) {
				pair<int, int> point = path1[i];
				ans = min(ans, abs(point.x - vc[0].x) + abs(point.x - vc[1].x) + abs(point.y - vc[0].y) + abs(point.y - vc[1].y));
			} 
			else if (path1[i].x == path2[j].x){
				pair<int, int> point = make_pair(path1[i].x, min(path1[i].y, path2[j].y));
				ans = min(ans, abs(point.x - vc[0].x) + abs(point.x - vc[1].x) + abs(point.y - vc[0].y) + abs(point.y - vc[1].y));
			}
			else if (path1[i].y == path2[j].y){
				pair<int, int> point = make_pair(min(path1[i].x, path2[j].x), path1[i].y);
				ans = min(ans, abs(point.x - vc[0].x) + abs(point.x - vc[1].x) + abs(point.y - vc[0].y) + abs(point.y - vc[1].y));
			}
		}
	}

	cout << ans << endl;

}

컴파일 시 표준 에러 (stderr) 메시지

cvenk.cpp: In function 'int main()':
cvenk.cpp:53:20: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for (int i = 0; i < path1.size(); i++){
      |                  ~~^~~~~~~~~~~~~~
cvenk.cpp:54:21: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for (int j = 0; j < path2.size(); j++){
      |                   ~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 17
• Subtask 2: 0 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40