oj.uz

Submission #1055915

# Submission time Handle Problem Language Result Execution time Memory
1055915 2024-08-13T06:32:40 Z thieunguyenhuy Gap (APIO16_gap) C++17
30 / 100
 41 ms 1960 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 = ceil(1.0 * (L + n - 1) / (n - 1)), block_size = lowerbound - 1;

		ll last_max = -1, ans = -1;
		for (ll i = mi; i <= ma; i += block_size) {
			ll mn, mx;
			MinMax(i, min(i + block_size - 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

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory 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 1 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 1 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 8 ms 856 KB Output is correct
17 Correct 5 ms 856 KB Output is correct
18 Correct 6 ms 788 KB Output is correct
19 Correct 5 ms 856 KB Output is correct
20 Correct 6 ms 856 KB Output is correct
21 Correct 21 ms 1880 KB Output is correct
22 Correct 27 ms 1872 KB Output is correct
23 Correct 20 ms 1960 KB Output is correct
24 Correct 25 ms 1880 KB Output is correct
25 Correct 19 ms 1872 KB Output is correct
26 Correct 21 ms 1932 KB Output is correct
27 Correct 21 ms 1876 KB Output is correct
28 Correct 31 ms 1880 KB Output is correct
29 Correct 24 ms 1872 KB Output is correct
30 Correct 21 ms 1836 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct

Subtask #2
0 / 70.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Correct 0 ms 344 KB Output is correct
3 Partially correct 0 ms 344 KB Partially correct
4 Partially correct 0 ms 344 KB Partially correct
5 Partially correct 0 ms 344 KB Partially correct
6 Correct 0 ms 344 KB Output is correct
7 Partially correct 0 ms 344 KB Partially correct
8 Correct 0 ms 344 KB Output is correct
9 Partially correct 0 ms 344 KB Partially 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 0 ms 344 KB Output is correct
15 Partially correct 0 ms 344 KB Partially correct
16 Correct 7 ms 420 KB Output is correct
17 Correct 7 ms 600 KB Output is correct
18 Correct 9 ms 664 KB Output is correct
19 Correct 7 ms 600 KB Output is correct
20 Correct 5 ms 600 KB Output is correct
21 Correct 34 ms 1132 KB Output is correct
22 Correct 28 ms 1236 KB Output is correct
23 Correct 41 ms 1140 KB Output is correct
24 Correct 28 ms 1112 KB Output is correct
25 Partially correct 32 ms 1112 KB Partially correct
26 Correct 29 ms 1112 KB Output is correct
27 Correct 33 ms 1112 KB Output is correct
28 Correct 33 ms 1112 KB Output is correct
29 Correct 28 ms 1112 KB Output is correct
30 Correct 19 ms 1112 KB Output is correct
31 Partially correct 0 ms 344 KB Partially correct
32 Partially correct 1 ms 344 KB Partially correct