Submission #791818

# Submission time Handle Problem Language Result Execution time Memory
791818 2023-07-24T10:31:26 Z 박영우(#10050) Sličnost (COI23_slicnost) C++17
0 / 100
8 ms 16084 KB
#include <bits/stdc++.h>
#include <cassert>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 1010101
#define MAXS 500
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
struct node {
	int mx;
	ll cnt;
	node(int x = 0) :mx(x), cnt(1) {}
};
node operator+(node n1, node n2) {
	node ret;
	ret.mx = max(n1.mx, n2.mx);
	ret.cnt = 0;
	if (ret.mx == n1.mx) ret.cnt += n1.cnt;
	if (ret.mx == n2.mx) ret.cnt += n2.cnt;
	return ret;
}
node operator+(node n, ll x) {
	node ret = n;
	ret.mx += x;
	return ret;
}
namespace segtree {
	node tree[MAX];
	int lazy[MAX];
	int N;
	void init(int s, int e, int loc = 1) {
		lazy[loc] = 0;
		if (s == e) {
			tree[loc] = node();
			return;
		}
		int m = s + e >> 1;
		init(s, m, loc * 2);
		init(m + 1, e, loc * 2 + 1);
		tree[loc] = tree[loc * 2] + tree[loc * 2 + 1];
	}
	void prop(int loc) {
		for (auto c : { loc * 2, loc * 2 + 1 }) {
			tree[c] = tree[c] + lazy[loc];
			lazy[c] += lazy[loc];
		}
		lazy[loc] = 0;
	}
	void upd(int s, int e, int l, int r, ll x, int loc = 1) {
		if (l < 1) l = 1;
		if (r > N) r = N;
		if (l > r) return;
		if (s != e) prop(loc);
		if (e < l || r < s) return;
		if (l <= s && e <= r) {
			tree[loc] = tree[loc] + x;
			lazy[loc] += x;
			return;
		}
		int m = s + e >> 1;
		upd(s, m, l, r, x, loc * 2);
		upd(m + 1, e, l, r, x, loc * 2 + 1);
		tree[loc] = tree[loc * 2] + tree[loc * 2 + 1];
	}
};
int N, K, Q;
int A[MAX];
int B[MAX];
int rb[MAX];
node calc() {
	int i;
	node res(0);
	for (i = 1; i <= N; i++) rb[B[i]] = i;
	segtree::N = N - K + 1;
	segtree::init(1, N - K + 1);
	for (i = 1; i <= N; i++) {
		segtree::upd(1, N - K + 1, rb[A[i]] - K + 1, rb[A[i]], 1);
		if (i > K) segtree::upd(1, N - K + 1, rb[A[i - K]] - K + 1, rb[A[i - K]], -1);
		if (i >= K) res = res + segtree::tree[1];
	}
	return res;
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	cin >> N >> K >> Q;
	int i;
	//for (i = 1; i <= N; i++) cin >> A[i];
	//for (i = 1; i <= N; i++) cin >> B[i];
	for (i = 1; i <= N; i++) A[i] = i;
	for (i = 1; i <= N; i++) B[i] = i;
	auto res = calc();
	cout << res.mx << bb << res.cnt << ln;
	while (Q--) {
		int k;
		cin >> k;
		swap(A[k], A[k + 1]);
		auto res = calc();
		cout << res.mx << bb << res.cnt << ln;
	}
}

Compilation message

Main.cpp: In function 'void segtree::init(int, int, int)':
Main.cpp:45:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   45 |   int m = s + e >> 1;
      |           ~~^~~
Main.cpp: In function 'void segtree::upd(int, int, int, int, ll, int)':
Main.cpp:68:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   68 |   int m = s + e >> 1;
      |           ~~^~~
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 8 ms 16084 KB Output is correct
2 Incorrect 8 ms 16084 KB Output isn't correct
3 Halted 0 ms 0 KB -