Submission #821573

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
821573	2023-08-11T11:41:59 Z	Dan4Life	Highway Tolls (IOI18_highway)	C++17	6 / 100	99 ms	6860 KB

highway

#include "highway.h"
#include <bits/stdc++.h>
using namespace std;
using vi = vector<int>;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)2e5+10;
using ll = long long;
vector<pair<int,int>> adj[mxN];
int n, m, dist, dis[mxN];

void find_pair(int N, vi u, vi v, int A, int B) {
	n = N; m = sz(u); vi w(m,0);
	ll toll = ask(w);
	int l = 0, r = m-1;
	while(l<r){
		int mid = (l+r)/2; fill(all(w),0);
		fill(begin(w),begin(w)+mid+1,1);
		if(ask(w)!=toll) r=mid;
		else l=mid+1;
	}
	int x = l; l = 0, r = m-1;
	while(l<r){
		int mid = (l+r+1)/2; fill(all(w),0);
		fill(begin(w)+mid,end(w),1);
		if(ask(w)!=toll) l=mid;
		else r=mid-1;
	}
	answer(x,l+1);
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	4944 KB	Output is incorrect: {s, t} is wrong.
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	4944 KB	Output is incorrect: {s, t} is wrong.
2	Halted	0 ms	0 KB	-

Subtask #3
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	5072 KB	Output is correct
2	Correct	24 ms	5376 KB	Output is correct
3	Correct	19 ms	5584 KB	Output is correct
4	Correct	60 ms	6764 KB	Output is correct
5	Correct	69 ms	6764 KB	Output is correct
6	Correct	65 ms	6860 KB	Output is correct
7	Correct	76 ms	6776 KB	Output is correct
8	Correct	99 ms	6760 KB	Output is correct
9	Correct	63 ms	6776 KB	Output is correct