제출 #472516

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
472516		HossamHero7	Cipele (COCI18_cipele)	C++14	90 / 90	154 ms	2476 KiB

cipele

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define endl '\n'
int n,m;
vector <int> v1;
vector <int> v2;
bool valid(int dif){
    int curStart = 0;
    for(int i=0;i<n;i++){
        int idx = lower_bound(v2.begin()+curStart,v2.end(),v1[i]-dif) - v2.begin();
        if(idx == m) return 0;
        if(abs(v2[idx] - v1[i]) > dif) return 0;
        curStart = idx + 1;
    }
    return 1;
}
void solve(){
   cin>>n>>m;
   v1.resize(n);
   v2.resize(m);
   for(auto &i:v1) cin>>i;
   for(auto &i:v2) cin>>i;
    if(n>m){
        swap(n,m);
        swap(v1,v2);
    }
    sort(v1.begin(),v1.end());
    sort(v2.begin(),v2.end());
    int l=0;
    int r=1e9;
    int ans=0;
    while(l<=r){
        int md = l + r >> 1;
        if(valid(md)){
            ans = md;
            r = md - 1;
        }
        else l = md + 1;
    }
    cout<<ans<<endl;
}
int main()
{
    int t=1;
    // cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cipele.cpp: In function 'void solve()':
cipele.cpp:35:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |         int md = l + r >> 1;
      |                  ~~^~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9