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Submission #758622

# Submission time Handle Problem Language Result Execution time Memory
758622 2023-06-15T01:51:06 Z SanguineChameleon Hotter Colder (IOI10_hottercolder) C++17
77 / 100
 1103 ms 8240 KB 
#include "grader.h"
#include <bits/stdc++.h>
using namespace std;

mt19937 gen(64920);
uniform_int_distribution<int> dist(0, 1);

int HC(int N){
	int lt = 1;
	int rt = N;
	int prv = -1;
	while (lt < rt) {
		int res = -2;
		if (prv == lt) {
			res = Guess(rt);
		}
		else if (prv == rt) {
			res = -Guess(lt);
		}
		else if (dist(gen) == 0) {
			Guess(lt);
			res = Guess(rt);
		}
		else {
			Guess(rt);
			res = -Guess(lt);
		}
		if (res == 0) {
			return (lt + rt) / 2;
		}
		if (res == 1) {
			lt = (lt + rt) / 2 + 1;
		}
		else {
			rt = (lt + rt - 1) / 2;
		}
	}
	return lt;
}

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 1356 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 1236 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 1236 KB Output is correct

Subtask #4
2.0 / 25.0

# Verdict Execution time Memory Grader output
1 Partially correct 1103 ms 8240 KB Output is partially correct - alpha = 0.068965517241