oj.uz

답안 #836148

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
836148 2023-08-24T07:59:08 Z MetalPower Sličnost (COI23_slicnost) C++14
17 / 100
 397 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<int, ll>
#define fi first
#define se second
 
const int MX = 1e5 + 10;
const int INF = 1e9 + 7;
 
int N, K, Q, p[MX], q[MX], pos[MX];
 
pii merge(pii a, pii b){
	if(a.fi > b.fi) return a;
	if(b.fi > a.fi) return b;
	return make_pair(a.fi, a.se + b.se);
}
 
struct node{
	int l, r, lz; pii val;
	node *lc, *rc;
 
	node(int l = 0, int r = -1) : l(l), r(r), lz(0), lc(NULL), rc(NULL) {
		val.fi = 0;
		val.se = r - l + 1;
	}

	node* newChild(){
		node *nw = new node(l, r);
		nw -> lz = lz;
		nw -> val = val;
		nw -> lc = lc;
		nw -> rc = rc;
		return nw;
	}
 
	void prop(){
		if(l != r){
			int mid = l + r >> 1;
			if(lc == NULL) lc = new node(l, mid);
			else lc = lc -> newChild();
			if(rc == NULL) rc = new node(mid + 1, r);
			else rc = rc -> newChild();
			lc -> lz += lz; lc -> val.fi += lz;
			rc -> lz += lz;	rc -> val.fi += lz;
		}
		lz = 0;
	}
 
	pii query(int lf, int rg){
		if(r < lf || l > rg) return {-INF, 1};
		if(lf <= l && r <= rg) return val;
		prop();
		return merge(lc -> query(lf, rg), rc -> query(lf, rg));
	}
};

node* upd(node *pre, int lf, int rg, int v){
	pre -> prop();
	if(pre -> r < lf || pre -> l > rg) return pre;
	if(lf <= pre -> l && pre -> r <= rg){
		node *curr = pre -> newChild();
		curr -> lz += v;
		curr -> val.fi += v;
		curr -> prop();
		return curr;
	}else{
		int mid = pre -> l + pre -> r >> 1;
		node* curr = pre -> newChild();
		curr -> lc = upd(pre -> lc, lf, rg, v);
		curr -> rc = upd(pre -> rc, lf, rg, v);
		curr -> val = merge(curr -> lc -> val, curr -> rc -> val);
		return curr;
	}
}

struct segit{
	pii st[MX << 1];

	void update(int p, pii v){
		for(p += MX, st[p] = v, p >>= 1; p > 0; p >>= 1){
			st[p] = merge(st[p << 1], st[p << 1|1]);
		}
	}

	pii que(int l, int r){
		pii res = {-INF, 0};
		for(l += MX, r += MX + 1; l < r; l >>= 1, r >>= 1){
			if(l & 1) res = merge(res, st[l++]);
			if(r & 1) res = merge(res, st[--r]);
		}
		return res;
	}
} S;

node *roots[MX];
 
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
	cin >> N >> K >> Q;
	for(int i = 0; i < N; i++) cin >> p[i];
	for(int i = 0; i < N; i++) cin >> q[i], pos[q[i]] = i;
 
	roots[K - 1] = new node(0, N - 1);
 
 	for(int i = 0; i < K; i++){
 		// cout << "update position " << i << '\n';
		roots[K - 1] = upd(roots[K - 1], max(0, pos[p[i]] - K + 1), pos[p[i]], 1);
 	}
 
	pii curr = roots[K - 1] -> query(0, N - K);
 
	S.update(K - 1, curr);
 
	for(int i = K; i < N; i++){
		roots[i] = upd(roots[i - 1], max(0, pos[p[i - K]] - K + 1), pos[p[i - K]], -1);
		roots[i] = upd(roots[i], max(0, pos[p[i]] - K + 1), pos[p[i]], 1);
		curr = roots[i] -> query(0, N - K);
		S.update(i, curr);
	}

	{
		pii ans = S.que(K - 1, N - 1);
		cout << ans.fi << " " << ans.se << '\n';
	}

	for(int x = 0; x < Q; x++){
		int loc; cin >> loc;
		{
			// update loc
			roots[loc] = upd(roots[loc], max(0, pos[p[loc]] - K + 1), pos[p[loc]], -1);
			roots[loc] = upd(roots[loc], max(0, pos[p[loc + 1]] - K + 1), pos[p[loc + 1]], 1);
			curr = roots[loc] -> query(0, N - K);
			S.update(loc, curr);
		}
		if(loc + K < N){
			// update loc + K
			roots[loc + K] = upd(roots[loc + K], max(0, pos[p[loc + 1]] - K + 1), pos[p[loc + 1]], -1);
			roots[loc + K] = upd(roots[loc + K], max(0, pos[p[loc]] - K + 1), pos[p[loc]], 1);
			curr = roots[loc + K] -> query(0, N - K);
			S.update(loc + K, curr);
		}
		swap(p[loc], p[loc + 1]);
		{
			pii ans = S.que(K - 1, N - 1);
			cout << ans.fi << " " << ans.se << '\n';
		}
	}
}

Compilation message

Main.cpp: In member function 'void node::prop()':
Main.cpp:40:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |    int mid = l + r >> 1;
      |              ~~^~~
Main.cpp: In function 'node* upd(node*, int, int, int)':
Main.cpp:69:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   69 |   int mid = pre -> l + pre -> r >> 1;
      |             ~~~~~~~~~^~~~~~~~~~
Main.cpp:69:7: warning: unused variable 'mid' [-Wunused-variable]
   69 |   int mid = pre -> l + pre -> r >> 1;
      |       ^~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 26 ms 37420 KB Output is correct
17 Correct 30 ms 46912 KB Output is correct
18 Correct 15 ms 22672 KB Output is correct
19 Correct 33 ms 52444 KB Output is correct
20 Correct 46 ms 70136 KB Output is correct
21 Correct 45 ms 73084 KB Output is correct
22 Correct 17 ms 27128 KB Output is correct
23 Correct 47 ms 67444 KB Output is correct
24 Correct 45 ms 68856 KB Output is correct
25 Correct 37 ms 58432 KB Output is correct
26 Correct 42 ms 65728 KB Output is correct
27 Correct 50 ms 73296 KB Output is correct
28 Correct 36 ms 54356 KB Output is correct
29 Correct 29 ms 45736 KB Output is correct
30 Correct 19 ms 26488 KB Output is correct

Subtask #3
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 26 ms 37420 KB Output is correct
17 Correct 30 ms 46912 KB Output is correct
18 Correct 15 ms 22672 KB Output is correct
19 Correct 33 ms 52444 KB Output is correct
20 Correct 46 ms 70136 KB Output is correct
21 Correct 45 ms 73084 KB Output is correct
22 Correct 17 ms 27128 KB Output is correct
23 Correct 47 ms 67444 KB Output is correct
24 Correct 45 ms 68856 KB Output is correct
25 Correct 37 ms 58432 KB Output is correct
26 Correct 42 ms 65728 KB Output is correct
27 Correct 50 ms 73296 KB Output is correct
28 Correct 36 ms 54356 KB Output is correct
29 Correct 29 ms 45736 KB Output is correct
30 Correct 19 ms 26488 KB Output is correct
31 Runtime error 397 ms 524288 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -

Subtask #4
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 2 ms 1476 KB Output is correct
17 Incorrect 2 ms 1876 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 26 ms 37420 KB Output is correct
17 Correct 30 ms 46912 KB Output is correct
18 Correct 15 ms 22672 KB Output is correct
19 Correct 33 ms 52444 KB Output is correct
20 Correct 46 ms 70136 KB Output is correct
21 Correct 45 ms 73084 KB Output is correct
22 Correct 17 ms 27128 KB Output is correct
23 Correct 47 ms 67444 KB Output is correct
24 Correct 45 ms 68856 KB Output is correct
25 Correct 37 ms 58432 KB Output is correct
26 Correct 42 ms 65728 KB Output is correct
27 Correct 50 ms 73296 KB Output is correct
28 Correct 36 ms 54356 KB Output is correct
29 Correct 29 ms 45736 KB Output is correct
30 Correct 19 ms 26488 KB Output is correct
31 Correct 2 ms 1476 KB Output is correct
32 Incorrect 2 ms 1876 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 724 KB Output is correct
2 Correct 1 ms 852 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 1 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 724 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 26 ms 37420 KB Output is correct
17 Correct 30 ms 46912 KB Output is correct
18 Correct 15 ms 22672 KB Output is correct
19 Correct 33 ms 52444 KB Output is correct
20 Correct 46 ms 70136 KB Output is correct
21 Correct 45 ms 73084 KB Output is correct
22 Correct 17 ms 27128 KB Output is correct
23 Correct 47 ms 67444 KB Output is correct
24 Correct 45 ms 68856 KB Output is correct
25 Correct 37 ms 58432 KB Output is correct
26 Correct 42 ms 65728 KB Output is correct
27 Correct 50 ms 73296 KB Output is correct
28 Correct 36 ms 54356 KB Output is correct
29 Correct 29 ms 45736 KB Output is correct
30 Correct 19 ms 26488 KB Output is correct
31 Runtime error 397 ms 524288 KB Execution killed with signal 9
32 Halted 0 ms 0 KB -