제출 #705053

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
705053	2023-03-03 10:01:48	MtSaka	Monster Game (JOI21_monster)	C++17	100 / 100	116 ms	912 KiB

monster

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#include<bits/stdc++.h>
#define rep(i,a,b) for(ll i=(ll)a;i<(ll)b;i++)
#define rrep(i,a,b) for(ll i=(ll)b-1;i>=(ll)a;i--)
#define all(x) begin(x),end(x)
using ll=long long;
using namespace std;
using ull=unsigned long long;
template<typename T,typename U>
inline bool chmax(T&a,const U&b){return (a<b)?a=b,true:false;}
template<typename T,typename U>
inline bool chmin(T&a,const U&b){return (a>b)?a=b,true:false;}
#include "monster.h"
map<pair<int,int>,bool>mp;
bool ask(int a,int b){
  if(mp.count({a,b}))return mp[{a,b}];
  if(mp.count({b,a}))return !mp[{b,a}];
  return mp[{a,b}]=Query(a,b);
}
void merge(vector<int>&v){
  if(v.size()==1)return;
  int mid=v.size()/2;
  vector<int>l(v.begin(),v.begin()+mid),r(v.begin()+mid,v.end());
  merge(l),merge(r);
  int i=0,j=0;
  rep(k,0,v.size()){
    if(i==l.size())v[k]=r[j++];
    else if(j==r.size())v[k]=l[i++];
    else if(ask(l[i],r[j]))v[k]=r[j++];
    else v[k]=l[i++];
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

monster.cpp: In function 'void merge(std::vector<int>&)':
monster.cpp:26:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     if(i==l.size())v[k]=r[j++];
      |        ~^~~~~~~~~~
monster.cpp:27:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     else if(j==r.size())v[k]=l[i++];
      |             ~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75