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답안 #1055919

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1055919 2024-08-13T06:34:09 Z thieunguyenhuy Gap (APIO16_gap) C++17
100 / 100
 33 ms 1904 KB 
#ifndef hwe
	#include "gap.h"
#endif
 
#include <bits/stdc++.h>
using namespace std;
 
#define popcount(n) (__builtin_popcountll((n)))
#define clz(n) (__builtin_clzll((n)))
#define ctz(n) (__builtin_ctzll((n)))
#define lg(n) (63 - __builtin_clzll((n)))
#define BIT(n, i) (((n) >> (i)) & 1ll)
#define MASK(i) (1ll << (i))
#define FLIP(n, i) ((n) ^ (1ll << (i)))
#define ON(n, i) ((n) | MASK(i))
#define OFF(n, i) ((n) & ~MASK(i))
 
#define Int __int128
#define fi first
#define se second
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef pair<long long, int> pli;
typedef pair<int, long long> pil;
typedef vector<pair<int, int>> vii;
typedef vector<pair<long long, long long>> vll;
typedef vector<pair<long long, int>> vli;
typedef vector<pair<int, long long>> vil;
 
template <class T1, class T2>
bool maximize(T1 &x, T2 y) {
    if (x < y) {
        x = y;
        return true;
    }
    return false;
}
template <class T1, class T2>
bool minimize(T1 &x, T2 y) {
    if (x > y) {
        x = y;
        return true;
    }
    return false;
}
 
template <class T>
void remove_duplicate(vector<T> &ve) {
    sort (ve.begin(), ve.end());
    ve.resize(unique(ve.begin(), ve.end()) - ve.begin());
}
 
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
template <class T> T random(T l, T r) {
    return uniform_int_distribution<T>(l, r)(rng);
}
template <class T> T random(T r) {
    return rng() % r;
}
 
const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
const int inf = 1e9;
const ll INF = 1e18;
 
#ifdef hwe
void MinMax(ll s, ll t, ll *mn, ll *mx) {
	cerr << s << ' ' << t << '\n';
	cin >> *mn >> *mx;
}
#endif
 
namespace sub1 {
	ll a[N];
 
	ll findGap(int n) {
		a[0] = -1, a[n + 1] = INF + 1;
		for (int i = 1; i <= (n + 1) / 2; ++i) {
			MinMax(a[i - 1] + 1, a[n - i + 2] - 1, &a[i], &a[n - i + 1]);
		}
 
		ll ans = -INF;
		for (int i = 2; i <= n; ++i) maximize(ans, a[i] - a[i - 1]);
		return ans;
	}
}
 
namespace sub2 {
	ll findGap(int n) {
		ll mi, ma;
		MinMax(0, INF, &mi, &ma);
 
		ll L = ma - mi, lowerbound = (L + n - 1 + n - 2) / (n - 1), block_size = lowerbound - 1;

		ll last_max = -1, ans = lowerbound - 1;
		for (ll i = mi; i <= ma; i += lowerbound) {
			ll mn, mx;
			MinMax(i, min(i + lowerbound - 1, ma), &mn, &mx);
			if (mn != -1) {
				if (last_max != -1) maximize(ans, mn - last_max);
				last_max = mx;
			}
		}

		return ans;
	}
}
 
ll findGap(int t, int n) {
	if (t == 1) return sub1::findGap(n);
	return sub2::findGap(n);
}
 
#ifdef hwe
signed main() {
 
	findGap(2, 3);
 
    cerr << '\n'; return 0;
}
#endif

Compilation message

gap.cpp: In function 'll sub2::findGap(int)':
gap.cpp:97:63: warning: unused variable 'block_size' [-Wunused-variable]
   97 |   ll L = ma - mi, lowerbound = (L + n - 1 + n - 2) / (n - 1), block_size = lowerbound - 1;
      |                                                               ^~~~~~~~~~

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 5 ms 704 KB Output is correct
17 Correct 7 ms 856 KB Output is correct
18 Correct 5 ms 856 KB Output is correct
19 Correct 5 ms 856 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 21 ms 1812 KB Output is correct
22 Correct 24 ms 1880 KB Output is correct
23 Correct 22 ms 1872 KB Output is correct
24 Correct 21 ms 1880 KB Output is correct
25 Correct 25 ms 1872 KB Output is correct
26 Correct 24 ms 1872 KB Output is correct
27 Correct 23 ms 1872 KB Output is correct
28 Correct 23 ms 1852 KB Output is correct
29 Correct 24 ms 1872 KB Output is correct
30 Correct 20 ms 1904 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct

Subtask #2
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 7 ms 672 KB Output is correct
17 Correct 7 ms 448 KB Output is correct
18 Correct 7 ms 600 KB Output is correct
19 Correct 9 ms 600 KB Output is correct
20 Correct 4 ms 600 KB Output is correct
21 Correct 33 ms 1020 KB Output is correct
22 Correct 28 ms 1112 KB Output is correct
23 Correct 28 ms 1112 KB Output is correct
24 Correct 28 ms 1112 KB Output is correct
25 Correct 27 ms 1112 KB Output is correct
26 Correct 28 ms 1112 KB Output is correct
27 Correct 31 ms 1212 KB Output is correct
28 Correct 32 ms 1112 KB Output is correct
29 Correct 29 ms 1184 KB Output is correct
30 Correct 16 ms 1112 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct