답안 #61427

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
61427 2018-07-26T00:14:55 Z qkxwsm Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
4378 ms 312060 KB
#include <bits/stdc++.h>
#include "bubblesort2.h"

using namespace std;

template<class T>
void readi(T &x)
{
	T input = 0;
	bool negative = false;
	char c = ' ';
	while (c < '-')
	{
		c = getchar();
	}
	if (c == '-')
	{
		negative = true;
		c = getchar();
	}
	while (c >= '0')
	{
		input = input * 10 + (c - '0');
		c = getchar();
	}
	if (negative)
	{
		input = -input;
	}
	x = input;
}
template<class T>
void printi(T output)
{
	if (output == 0)
	{
		putchar('0');
		return;
	}
	if (output < 0)
	{
		putchar('-');
		output = -output;
	}
	int aout[20];
	int ilen = 0;
	while(output)
	{
		aout[ilen] = ((output % 10));
		output /= 10;
		ilen++;
	}
	for (int i = ilen - 1; i >= 0; i--)
	{
		putchar(aout[i] + '0');
	}
	return;
}
template<class T>
void ckmin(T &a, T b)
{
	a = min(a, b);
}
template<class T>
void ckmax(T &a, T b)
{
	a = max(a, b);
}
long long randomize(long long mod)
{
	return ((1ll << 30) * rand() + (1ll << 15) * rand() + rand()) % mod;
}

#define MP make_pair
#define PB push_back
#define PF push_front
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second

const long double PI = 4.0 * atan(1.0);
const long double EPS = 1e-10;

#define MAGIC 347
#define SINF 10007
#define CO 1000007
#define INF 1000000007
#define BIG 1000000931
#define LARGE 1696969696967ll
#define GIANT 2564008813937411ll
#define LLINF 2696969696969696969ll
#define MAXN 500013

long long normalize(long long x, long long mod = INF)
{
	return (((x % mod) + mod) % mod);
}

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;

int N, Q, M;
int arr[MAXN], temp[MAXN];
pii quer[MAXN];
int ans[MAXN];
int pos0[2 * MAXN], pos1[2 * MAXN];
vector<ll> compress;
int seg[8 * MAXN], lazy[8 * MAXN];
int tree[2 * MAXN];

void ud(int idx, int val)
{
	for (int e = idx + 1; e <= M; e += e & (-e))
	{
		tree[e] += val;
	}
}
int get(int idx)
{
	int res = 0;
	for (int e = idx + 1; e > 0; e -= e & (-e))
	{
		res += tree[e];
	}
	return res;
}
void down(int w, int L, int R)
{
	seg[w] += lazy[w];
	if (L != R)
	{
		lazy[2 * w] += lazy[w];
		lazy[2 * w + 1] += lazy[w];
	}
	lazy[w] = 0;
	return;
}
void update(int w, int L, int R, int a, int b, int val)
{
//	cerr << "update " << a << '-' << b << " = " << val << endl;
	down(w, L, R);
	if (b < L || R < a)
	{
		return;
	}
	if (a <= L && R <= b)
	{
		lazy[w] += val;
		down(w, L, R);
		return;
	}
	int mid = (L + R)/2;
	update(2 * w, L, mid, a, b, val);
	update(2 * w + 1, mid + 1, R, a, b, val);
	seg[w] = max(seg[2 * w], seg[2 * w + 1]);
}
int query(int w, int L, int R, int a, int b)
{
	down(w, L, R);
	if (b < L || R < a)
	{
		return -INF;
	}
	if (a <= L && R <= b)
	{
		return seg[w];
	}
	int mid = (L + R)/2;
	return max(query(2 * w, L, mid, a, b), query(2 * w + 1, mid + 1, R, a, b));
}
void setval(int idx, int val)
{
	int was = query(1, 0, M - 1, idx, idx);
	update(1, 0, M - 1, idx, idx, val - was);
	return;
}
vi countScans(vi a, vi b, vi c)
{
	N = a.size();
	Q = b.size();
	for (int i = 0; i < N; i++)
	{
		arr[i] = a[i];
	}
	for (int i = 0; i < Q; i++)
	{
		quer[i] = MP(b[i], c[i]);
	}
	for (int i = 0; i < N; i++)
	{
		compress.PB(1ll * arr[i] * INF + i);
	}
	for (int i = 0; i < Q; i++)
	{
		compress.PB(1ll * quer[i].se * INF + quer[i].fi);
	}
	sort(compress.begin(), compress.end());
	compress.erase(unique(compress.begin(), compress.end()), compress.end());
	for (int i = 0; i < N; i++)
	{
		arr[i] = LB(compress.begin(), compress.end(), 1ll * arr[i] * INF + i) - compress.begin();
	}
	for (int i = 0; i < Q; i++)
	{
		quer[i].se = LB(compress.begin(), compress.end(), 1ll * quer[i].se * INF + quer[i].fi) - compress.begin();
	}
	//	for (int i = 0; i < N; i++)
	//	{
	//		cerr << arr[i] << ' ';
	//	}
	//	cerr << endl;
	//	for (int i = 0; i < Q; i++)
	//	{
	//		cerr << quer[i].fi << ' ' << quer[i].se << endl;
	//	}
	M = compress.size();
	update(1, 0, M - 1, 0, M - 1, -10 * CO);
	for (int i = 0; i < N; i++)
	{
		pos1[arr[i]] = i;
	}
	for (int i = 0; i < N; i++)
	{
		temp[i] = arr[i];
	}
	sort(temp, temp + N);
	for (int i = 0; i < N; i++)
	{
		pos0[temp[i]] = i;
	}
	for (int i = 0; i < N; i++)
	{
		setval(arr[i], pos1[arr[i]] - pos0[arr[i]]);
	}
	for (int i = 0; i < N; i++)
	{
		ud(arr[i], 1);
	}
	for (int q = 0; q < Q; q++)
	{
		//each guy with value > arr[idx] has to
		int idx = quer[q].fi, val = quer[q].se, was = arr[idx];
		arr[idx] = val;
		ud(was, -1);
		ud(val, 1);
//		pos1[was] = 0;
		setval(was, -10 * CO);
//		pos1[val] = idx;
		setval(val, idx);
		//the thing is, each guy only moves by at most one...
		//when you delete x, each guy moves down 1
//		for (int i = was + 1; i < M; i++)
//		{
//			pos0[i]--;
//		}
		update(1, 0, M - 1, was + 1, M, 1);
//		for (int i = val + 1; i < M; i++)
//		{
//			pos0[i]++;
//		}
		update(1, 0, M - 1, val + 1, M, -1);
//		pos0[val] = 0;
//		for (int i = 0; i < N; i++)
//		{
//			if (arr[i] < val)
//			{
////				pos0[val]++;
//				update(1, 0, M - 1, val, val, -1);
//			}
//		}
		update(1, 0, M - 1, val, val, -get(val - 1));
		ans[q] = query(1, 0, M - 1, 0, M - 1);
//		for (int i = 0; i < N; i++)
//		{
//			ckmax(ans[q], pos1[arr[i]] - pos0[arr[i]]);
//		}
	}
	vi res(Q);
	for (int i = 0; i < Q; i++)
	{
		res[i] = ans[i];
	}
	return res;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 7 ms 632 KB Output is correct
3 Correct 12 ms 900 KB Output is correct
4 Correct 9 ms 1012 KB Output is correct
5 Correct 12 ms 1192 KB Output is correct
6 Correct 10 ms 1192 KB Output is correct
7 Correct 9 ms 1192 KB Output is correct
8 Correct 10 ms 1260 KB Output is correct
9 Correct 10 ms 1260 KB Output is correct
10 Correct 9 ms 1372 KB Output is correct
11 Correct 9 ms 1468 KB Output is correct
12 Correct 9 ms 1468 KB Output is correct
13 Correct 10 ms 1480 KB Output is correct
14 Correct 11 ms 1648 KB Output is correct
15 Correct 11 ms 1648 KB Output is correct
16 Correct 12 ms 1648 KB Output is correct
17 Correct 10 ms 1648 KB Output is correct
18 Correct 9 ms 1704 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 7 ms 632 KB Output is correct
3 Correct 12 ms 900 KB Output is correct
4 Correct 9 ms 1012 KB Output is correct
5 Correct 12 ms 1192 KB Output is correct
6 Correct 10 ms 1192 KB Output is correct
7 Correct 9 ms 1192 KB Output is correct
8 Correct 10 ms 1260 KB Output is correct
9 Correct 10 ms 1260 KB Output is correct
10 Correct 9 ms 1372 KB Output is correct
11 Correct 9 ms 1468 KB Output is correct
12 Correct 9 ms 1468 KB Output is correct
13 Correct 10 ms 1480 KB Output is correct
14 Correct 11 ms 1648 KB Output is correct
15 Correct 11 ms 1648 KB Output is correct
16 Correct 12 ms 1648 KB Output is correct
17 Correct 10 ms 1648 KB Output is correct
18 Correct 9 ms 1704 KB Output is correct
19 Correct 33 ms 2616 KB Output is correct
20 Correct 35 ms 2928 KB Output is correct
21 Correct 44 ms 3104 KB Output is correct
22 Correct 32 ms 3348 KB Output is correct
23 Correct 34 ms 3560 KB Output is correct
24 Correct 39 ms 3708 KB Output is correct
25 Correct 43 ms 3744 KB Output is correct
26 Correct 31 ms 3904 KB Output is correct
27 Correct 44 ms 4068 KB Output is correct
28 Correct 49 ms 4236 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 52 ms 5040 KB Output is correct
2 Correct 133 ms 7448 KB Output is correct
3 Correct 349 ms 10672 KB Output is correct
4 Correct 255 ms 11112 KB Output is correct
5 Correct 304 ms 11808 KB Output is correct
6 Correct 360 ms 12388 KB Output is correct
7 Correct 386 ms 12844 KB Output is correct
8 Correct 322 ms 13416 KB Output is correct
9 Correct 310 ms 14004 KB Output is correct
10 Correct 200 ms 14004 KB Output is correct
11 Correct 274 ms 14004 KB Output is correct
12 Correct 230 ms 14496 KB Output is correct
13 Correct 220 ms 15072 KB Output is correct
14 Correct 219 ms 15864 KB Output is correct
15 Correct 195 ms 16456 KB Output is correct
16 Correct 237 ms 17156 KB Output is correct
17 Correct 194 ms 17756 KB Output is correct
18 Correct 222 ms 18276 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 504 KB Output is correct
2 Correct 7 ms 632 KB Output is correct
3 Correct 12 ms 900 KB Output is correct
4 Correct 9 ms 1012 KB Output is correct
5 Correct 12 ms 1192 KB Output is correct
6 Correct 10 ms 1192 KB Output is correct
7 Correct 9 ms 1192 KB Output is correct
8 Correct 10 ms 1260 KB Output is correct
9 Correct 10 ms 1260 KB Output is correct
10 Correct 9 ms 1372 KB Output is correct
11 Correct 9 ms 1468 KB Output is correct
12 Correct 9 ms 1468 KB Output is correct
13 Correct 10 ms 1480 KB Output is correct
14 Correct 11 ms 1648 KB Output is correct
15 Correct 11 ms 1648 KB Output is correct
16 Correct 12 ms 1648 KB Output is correct
17 Correct 10 ms 1648 KB Output is correct
18 Correct 9 ms 1704 KB Output is correct
19 Correct 33 ms 2616 KB Output is correct
20 Correct 35 ms 2928 KB Output is correct
21 Correct 44 ms 3104 KB Output is correct
22 Correct 32 ms 3348 KB Output is correct
23 Correct 34 ms 3560 KB Output is correct
24 Correct 39 ms 3708 KB Output is correct
25 Correct 43 ms 3744 KB Output is correct
26 Correct 31 ms 3904 KB Output is correct
27 Correct 44 ms 4068 KB Output is correct
28 Correct 49 ms 4236 KB Output is correct
29 Correct 52 ms 5040 KB Output is correct
30 Correct 133 ms 7448 KB Output is correct
31 Correct 349 ms 10672 KB Output is correct
32 Correct 255 ms 11112 KB Output is correct
33 Correct 304 ms 11808 KB Output is correct
34 Correct 360 ms 12388 KB Output is correct
35 Correct 386 ms 12844 KB Output is correct
36 Correct 322 ms 13416 KB Output is correct
37 Correct 310 ms 14004 KB Output is correct
38 Correct 200 ms 14004 KB Output is correct
39 Correct 274 ms 14004 KB Output is correct
40 Correct 230 ms 14496 KB Output is correct
41 Correct 220 ms 15072 KB Output is correct
42 Correct 219 ms 15864 KB Output is correct
43 Correct 195 ms 16456 KB Output is correct
44 Correct 237 ms 17156 KB Output is correct
45 Correct 194 ms 17756 KB Output is correct
46 Correct 222 ms 18276 KB Output is correct
47 Correct 1002 ms 38368 KB Output is correct
48 Correct 3497 ms 85188 KB Output is correct
49 Correct 4002 ms 101628 KB Output is correct
50 Correct 3817 ms 114556 KB Output is correct
51 Correct 3872 ms 127352 KB Output is correct
52 Correct 4075 ms 140144 KB Output is correct
53 Correct 4378 ms 153232 KB Output is correct
54 Correct 3673 ms 166236 KB Output is correct
55 Correct 3719 ms 179420 KB Output is correct
56 Correct 3481 ms 192180 KB Output is correct
57 Correct 3854 ms 205260 KB Output is correct
58 Correct 3776 ms 218060 KB Output is correct
59 Correct 3761 ms 228168 KB Output is correct
60 Correct 3474 ms 239348 KB Output is correct
61 Correct 3786 ms 250972 KB Output is correct
62 Correct 3335 ms 261156 KB Output is correct
63 Correct 3400 ms 272420 KB Output is correct
64 Correct 3189 ms 283128 KB Output is correct
65 Correct 3182 ms 292972 KB Output is correct
66 Correct 3165 ms 303092 KB Output is correct
67 Correct 3546 ms 312060 KB Output is correct