Submission #999296

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
999296	2024-06-15T09:31:43 Z	Unforgettablepl	Highway Tolls (IOI18_highway)	C++17	6 / 100	73 ms	2664 KB

highway

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

#define all(x) x.begin(),x.end()

long long ask(const std::vector<int> &w);
void answer(int s, int t);

void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
	auto base = ask(vector<int>(N-1));
	int left = 0;
	for(int jump=65536;jump;jump/=2){
		if(left+jump>=N)continue;
		vector<int> w(N-1);
		for(int i=0;i<left+jump;i++)w[i]=1;
		if(ask(w)==base)left+=jump;
	}
	int right = N-1;
	for(int jump=65536;jump;jump/=2){
		if(right-jump<0)continue;
		vector<int> w(N-1);
		for(int i=right-jump;i<N-1;i++)w[i]=1;
		if(ask(w)==base)right-=jump;
	}
	answer(left,right);
}

Subtask #1
0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	0 ms	596 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	1 ms	344 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	6 ms	600 KB	Output is correct
2	Correct	12 ms	848 KB	Output is correct
3	Correct	24 ms	916 KB	Output is correct
4	Correct	53 ms	2192 KB	Output is correct
5	Correct	56 ms	2200 KB	Output is correct
6	Correct	58 ms	2664 KB	Output is correct
7	Correct	73 ms	2204 KB	Output is correct
8	Correct	56 ms	2188 KB	Output is correct
9	Correct	58 ms	2192 KB	Output is correct