oj.uz

Submission #787324

# Submission time Handle Problem Language Result Execution time Memory
787324 2023-07-19T05:16:17 Z 박영우(#10035) 즐거운 사진 수집 (JOI13_collecting) C++17
0 / 100
 881 ms 44900 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 22
#define MAXS 20
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 998244353
struct fenwick {
	int N;
	vector<int> tree;
	fenwick(int N = 0) :N(N) { tree.resize(N + 1); }
	void upd(int i, int x) { i++; while (i <= N) { tree[i] += x, i += i & -i; } }
	int get(int i) { i++; int sum = 0; while (i) { sum += tree[i], i -= i & -i; } return sum; }
	int get(int i, int j) { return get(j) - get(i - 1); }
};
int chk[2][1 << MAX];
int cnt[2][MAX];
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, Q;
	cin >> N >> Q;
	int i;
	ll sum = 1;
	for (i = 1; i <= N; i++) sum += 1ll << (i << 1);
	fenwick fen[2];
	fen[0] = fen[1] = fenwick(1 << N);
	for (i = 0; i < N; i++) cnt[0][i] = cnt[1][i] = 1 << i;
	while (Q--) {
		int t, x;
		cin >> t >> x;
		x--;
		if (chk[t][x]) fen[t].upd(x, -1);
		else fen[t].upd(x, 1);
		chk[t][x] ^= 1;
		int l, r;
		l = r = i;
		for (i = 0; i <= N; i++) {
			l >>= i;
			r = l | ((1 << i) - 1);
			int res = fen[t].get(l, r);
			if (!res) cnt[t][N - i - 1]--;
			if (res == (1 << i)) cnt[t][N - i - 1]++;
		}
		ll ans = 0;
		for (i = 0; i < N; i++) ans += cnt[0][i] * cnt[1][i];
		cout << sum - 4 * ans << Ln;
	}
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Incorrect 881 ms 44900 KB Output isn't correct
2 Halted 0 ms 0 KB -