제출 #444621

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
444621		KLPP	분수 공원 (IOI21_parks)	C++17	0 / 100	0 ms	204 KiB

parks

#include "parks.h"
#include<bits/stdc++.h>

using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define trav(a,v) for(auto a:v)
typedef long long int lld;
#define INF 1000000000000000LL
vector<pair<int,int> >V;
map<pair<int,int>,int> m;
std::vector<int> u, v, X, Y;
void add(int a, int b){
	if(m.find({a+1,b+1})!=m.end() && m.find({a+1,b-1})!=m.end()){
		u.push_back(m[{a+1,b+1}]);
		v.push_back(m[{a+1,b-1}]);
		X.push_back(a);
		Y.push_back(b);
	}
	if(m.find({a+1,b+1})!=m.end() && m.find({a-1,b+1})!=m.end()){
		u.push_back(m[{a+1,b+1}]);
		v.push_back(m[{a-1,b+1}]);
		X.push_back(a);
		Y.push_back(b);
	}
	if(m.find({a-1,b-1})!=m.end() && m.find({a+1,b-1})!=m.end()){
		u.push_back(m[{a-1,b-1}]);
		v.push_back(m[{a+1,b-1}]);
		X.push_back(a);
		Y.push_back(b);
	}
	if(m.find({a-1,b-1})!=m.end() && m.find({a-1,b+1})!=m.end()){
		u.push_back(m[{a-1,b-1}]);
		v.push_back(m[{a-1,b+1}]);
		X.push_back(a);
		Y.push_back(b);
	}
}
int construct_roads(std::vector<int> x, std::vector<int> y) {

    
	rep(i,0,x.size()){
		m[{x[i],y[i]}]=i;
	}
	add(1,3);
	add(3,1);
	add(5,3);
	add(3,5);
	//cout<<u.size()<<endl;
	if(u.size()==0 && x.size()>0)return 0;
    build(u, v, X, Y);
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:5:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(i,a,b) for(int i=a;i<b;i++)
......
   41 |  rep(i,0,x.size()){
      |      ~~~~~~~~~~~~                
parks.cpp:41:2: note: in expansion of macro 'rep'
   41 |  rep(i,0,x.size()){
      |  ^~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30