제출 #779221

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
779221		vjudge1	Cipele (COCI18_cipele)	C++17	0 / 90	1079 ms	2640 KiB

cipele

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);
#define OYY 1000000005
#define mod 998244353
vector <int> v,t;
int n,m;

bool c(int x) {
	int pos=1;
	for (int i=1;i<=n;i++) {
		int q=lower_bound(t.begin()+pos,t.begin()+m+1,v[i]-x)-t.begin();
		if (q==m+1)return false;
		if (abs(t[q]-v[i])>x) return false;
		pos=q+1;
	}
	return true;
}

int32_t main(){
    faster
    cin>>n>>m;
    int deg;
    for(int i=0;i<n;i++){
        cin>>deg;
        v.push_back(deg);
    }
    for(int i=0;i<m;i++){
        cin>>deg;
        t.push_back(deg);
    }
    v.push_back(0),t.push_back(0);
    sort(v.begin(),v.end());
    sort(t.begin(),t.end());
    v.push_back(OYY),t.push_back(OYY);
    if(m<n){
        swap(v,t);
        swap(n,m);
    }
    int l=0,r=1000000007;
    int say=0,cev=OYY;
    while(l<=r){
        int mid=(l+r)/2;
        if(c(mid)){
            r=mid-1;
        }
        else l=mid;
        cev=min(cev,l);
    }
    cout<<cev<<endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cipele.cpp: In function 'int32_t main()':
cipele.cpp:42:9: warning: unused variable 'say' [-Wunused-variable]
   42 |     int say=0,cev=OYY;
      |         ^~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 9
• Subtask 5: 0 / 9
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• Subtask 10: 0 / 9