제출 #149622

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
149622		Solo Leveling (#200)	십자가 놓기 (FXCUP4_cross)	C++17	100 / 100	228 ms	19116 KiB

cross

#include "cross.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<long long,long long>
#define F first
#define S second
typedef long long ll;
multiset<ll> Sx;

long long SelectCross(int K, std::vector<int> I, std::vector<int> O) {
	vector<pii> v(I.size());
	for(int i = 0 ; i < I.size() ; i ++){
		v.push_back(pii(O[i] , I[i]));
	}
	sort(v.rbegin() , v.rend());
	ll ans = 0;
	for(int i = 0 ; i < I.size() ; i ++){
		if(Sx.size() == K-1){
			ll uu = v[i].second;
			if(Sx.size()){
				auto u = Sx.begin();
				uu = *u;
				uu = min(uu , v[i].second);
			}

			ans = max(ans , v[i].first * v[i].first - (v[i].first - uu)*(v[i].first - uu));
		}
		Sx.insert(v[i].second);
		while(Sx.size() >= K){
			auto u = Sx.begin();
			ll X = *u;
			Sx.erase(Sx.find(X));
		}
	}
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

cross.cpp: In function 'long long int SelectCross(int, std::vector<int>, std::vector<int>)':
cross.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0 ; i < I.size() ; i ++){
                  ~~^~~~~~~~~~
cross.cpp:17:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0 ; i < I.size() ; i ++){
                  ~~^~~~~~~~~~
cross.cpp:18:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(Sx.size() == K-1){
      ~~~~~~~~~~^~~~~~
cross.cpp:29:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(Sx.size() >= K){
         ~~~~~~~~~~^~~~

• Subtask 1: 8 / 8
• Subtask 2: 55 / 55
• Subtask 3: 37 / 37