Submission #1145632

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1145632	2025-02-05 03:55:32	Issa	Highway Tolls (IOI18_highway)	C++20	51 / 100	65 ms	10008 KiB

highway

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#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
const int maxn = 1e5 + 100;
int n, m;
vector<pii> g[maxn];
vector<int> s[2];
int t[maxn];
int f[maxn];
ll dist;
int calc(vector<int> s){
    int v = -1;
    for(int l = 0, r = s.size()-1; l <= r;){
        int mid = (l + r) >> 1;
        vector<int> q(m, 0);
        for(int i = 0; i <= mid; i++){
            q[f[s[i]]] = 1;
        } if(ask(q) == dist) l = mid + 1;
        else r = mid - 1, v = s[mid];
    } return v;
}
void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
    n = N; m = U.size();
    dist = ask(vector<int>(m, 0));
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 6 / 6
• Subtask 4: 33 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31