답안 #636282

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
636282 2022-08-28T18:31:30 Z ghostwriter Gap (APIO16_gap) C++14
100 / 100
55 ms 1864 KB
#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#include "grader.cpp"
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
    Tran The Bao
    CTL - Da Lat
    Cay ngay cay dem nhung deo duoc cong nhan
*/
const int NMAX = 1e5 + 1;
int n;
ll a[NMAX];
ll findGap(int T, int N) {
	::n = N;
	if (T == 1) {
		ll l = 0, r = 1e18;
		int pl = 1, pr = n;
		WHILE(pl <= pr) {
			MinMax(l, r, &l, &r);
			a[pl] = l;
			a[pr] = r;
			++l;
			--r;
			++pl;
			--pr;
		}
		ll rs = 0;
		FOR(i, 1, n - 1) rs = max(rs, a[i + 1] - a[i]);
		return rs;
	}
	ll l = 0, r = 1e18;
	MinMax(l, r, &l, &r);
	ll Min = (r - l + n - 2) / (n - 1);
	assert((r - l + 1) / (Min + 1) <= n);
	ll pre = -1;
	ll rs = Min;
	for (; l <= r;) {
		ll nl = l;
		ll nr = min(l + Min, r);
		MinMax(nl, nr, &nl, &nr);
		if (nl != -1 && pre != -1) rs = max(rs, nl - pre);
		if (nr != -1) pre = nr;
		l += Min + 1;
	}
	return rs;
}

Compilation message

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:26:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   26 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
      |                               ^
gap.cpp:56:3: note: in expansion of macro 'FOR'
   56 |   FOR(i, 1, n - 1) rs = max(rs, a[i + 1] - a[i]);
      |   ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 12 ms 720 KB Output is correct
17 Correct 9 ms 720 KB Output is correct
18 Correct 9 ms 696 KB Output is correct
19 Correct 9 ms 668 KB Output is correct
20 Correct 7 ms 692 KB Output is correct
21 Correct 48 ms 1844 KB Output is correct
22 Correct 48 ms 1864 KB Output is correct
23 Correct 51 ms 1752 KB Output is correct
24 Correct 42 ms 1812 KB Output is correct
25 Correct 32 ms 1860 KB Output is correct
26 Correct 36 ms 1844 KB Output is correct
27 Correct 34 ms 1812 KB Output is correct
28 Correct 43 ms 1852 KB Output is correct
29 Correct 34 ms 1832 KB Output is correct
30 Correct 27 ms 1828 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 11 ms 464 KB Output is correct
17 Correct 13 ms 464 KB Output is correct
18 Correct 14 ms 508 KB Output is correct
19 Correct 12 ms 464 KB Output is correct
20 Correct 6 ms 524 KB Output is correct
21 Correct 50 ms 1000 KB Output is correct
22 Correct 49 ms 984 KB Output is correct
23 Correct 46 ms 1072 KB Output is correct
24 Correct 48 ms 1096 KB Output is correct
25 Correct 49 ms 1020 KB Output is correct
26 Correct 50 ms 1000 KB Output is correct
27 Correct 55 ms 1092 KB Output is correct
28 Correct 47 ms 968 KB Output is correct
29 Correct 51 ms 1096 KB Output is correct
30 Correct 27 ms 1104 KB Output is correct
31 Correct 0 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct