답안 #257106

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
257106 2020-08-03T15:37:58 Z EntityIT Gap (APIO16_gap) C++14
100 / 100
72 ms 1920 KB
#include <bits/stdc++.h>
using namespace std;

#define ALL(x) (x).begin(), (x).end()
#define SZ(x) static_cast<int>((x).size())

template<class T, size_t D>
struct vec : vector<vec<T, D - 1>> {
	template<class... Args>
	vec(size_t n = 0, Args... args)
			: vector<vec<T, D - 1>>(n, vec<T, D - 1>(args...)) {}
};
template<class T>
struct vec<T, 1> : vector<T> {
	template<class... Args>
	vec(Args... args)
			: vector<T>(args...) {}
};

template<class T>
inline bool Minimize(T& a, const T& b) { return a > b ? a = b, true : false; }
template<class T>
inline bool Maximize(T& a, const T& b) { return a < b ? a = b, true : false; }
inline int Next(int i, int n) { return i == n - 1 ? 0 : i + 1; }
inline int Prev(int i, int n) { return !i ? n - 1 : i - 1; }

mt19937 rng(static_cast<uint32_t>(chrono::steady_clock::now().time_since_epoch().count()));

#include "gap.h"

long long findGap(int subtask, int n) {
	if (subtask == 1) {
		long long min_value, max_value, answer = 0;

		vec<long long, 1> a(n);
		for (int left_index = 0, right_index = n - 1; left_index <= right_index; ++left_index, --right_index) {
			static long long left_value = 0, right_value = static_cast<long long>(1e18);

			MinMax(left_value, right_value, &min_value, &max_value);
			a[left_index] = min_value;
			a[right_index] = max_value;
			left_value = min_value + 1;
			right_value = max_value - 1;
		}

		for (int i = 1; i < n; ++i) {
			Maximize(answer, a[i] - a[i - 1]);
		}

		return answer;
	} else {
		long long min_value, max_value, answer;

		MinMax(0, static_cast<long long>(1e18), &min_value, &max_value);

		auto max_a = max_value;

		auto const magic = (max_value - min_value + n - 2) / (n - 1);

		answer = magic;

		for (long long left_value = min_value + 1, right_value = min_value + magic, last_value = min_value; left_value <= max_a; left_value += magic, right_value += magic) {
			MinMax(left_value, right_value, &min_value, &max_value);

			if (~min_value) {
				Maximize(answer, min_value - last_value);
				last_value = max_value;
			}
		}

		return answer;
	}
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 12 ms 768 KB Output is correct
17 Correct 12 ms 768 KB Output is correct
18 Correct 13 ms 768 KB Output is correct
19 Correct 12 ms 768 KB Output is correct
20 Correct 10 ms 896 KB Output is correct
21 Correct 50 ms 1912 KB Output is correct
22 Correct 50 ms 1912 KB Output is correct
23 Correct 49 ms 1912 KB Output is correct
24 Correct 52 ms 1916 KB Output is correct
25 Correct 57 ms 1920 KB Output is correct
26 Correct 49 ms 1912 KB Output is correct
27 Correct 58 ms 1912 KB Output is correct
28 Correct 57 ms 1912 KB Output is correct
29 Correct 48 ms 1912 KB Output is correct
30 Correct 34 ms 1920 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 15 ms 512 KB Output is correct
17 Correct 16 ms 512 KB Output is correct
18 Correct 15 ms 512 KB Output is correct
19 Correct 15 ms 512 KB Output is correct
20 Correct 8 ms 512 KB Output is correct
21 Correct 64 ms 1144 KB Output is correct
22 Correct 64 ms 1116 KB Output is correct
23 Correct 65 ms 1144 KB Output is correct
24 Correct 65 ms 1180 KB Output is correct
25 Correct 57 ms 1152 KB Output is correct
26 Correct 64 ms 1144 KB Output is correct
27 Correct 72 ms 1088 KB Output is correct
28 Correct 65 ms 1148 KB Output is correct
29 Correct 66 ms 1260 KB Output is correct
30 Correct 34 ms 1156 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct