Submission #98956

#	Time	Username	Problem	Language	Result	Execution time	Memory
98956		SecretAgent007	Cipele (COCI18_cipele)	C++17	90 / 90	72 ms	3284 KiB

cipele

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define INF 1e18

vector<int> a;
vector<int> b;

bool check(int x){
    int p = 1;
    for(int i = 1; i < a.size(); i++){
        while(p < b.size() && abs(b[p]-a[i]) > x){
            p++;
        }
        if(p >= b.size()) return false;
        p++;
    }
    return true;
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    a.resize(n+1);
    b.resize(m+1);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    for(int i = 1; i <= m; i++){
        cin >> b[i];
    }
    sort(a.begin()+1, a.end());
    sort(b.begin()+1, b.end());
    if(n > m){
        swap(a,b);
        swap(n,m);
    }
    int l = 0; int r = INF;
    while(l < r){
        int mid = (l+r)>>1;
        if(check(mid)){
            r = mid;
        }else{
            l = mid+1;
        }
    }
    cout << l << endl;
}

Compilation message (stderr)

cipele.cpp: In function 'bool check(long long int)':
cipele.cpp:12:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 1; i < a.size(); i++){
                    ~~^~~~~~~~~~
cipele.cpp:13:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(p < b.size() && abs(b[p]-a[i]) > x){
               ~~^~~~~~~~~~
cipele.cpp:16:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(p >= b.size()) return false;
            ~~^~~~~~~~~~~

• 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