답안 #815574

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
815574	2023-08-08T17:03:27 Z	happypotato	Council (JOI23_council)	C++17	6 / 100	478 ms	50252 KB

council

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
// global
int a[300001];
int n, m;
int dpf[(1 << 20)]; // 0: 0, -1: 2+, x: position x
pii dpb[(1 << 20)]; // {which level != 0, which level -1}
bool vis[(1 << 20)];
int ps[300001][20];
void init() {
	// init
 
}
void PrecompDPF() {
	for (int i = 1; i <= n; i++) {
		if (dpf[a[i]] == 0) dpf[a[i]] = i;
		else dpf[a[i]] = -1;
	}
	for (int bit = 0; bit < m; bit++) {
		for (int conf = 0; conf < (1 << m); conf++) {
			if (conf & (1 << bit)) {
				int prev = (conf ^ (1 << bit));
				// cerr << "ADD " << prev << " TO " << conf << endl;
				if (dpf[prev] == -1) {
					dpf[conf] = -1;
				} else if (dpf[prev] != 0) {
					if (dpf[conf] == 0) {
						dpf[conf] = dpf[prev];
					} else {
						dpf[conf] = -1;
					}
				}
			}
		}
	}
}
bool comp(int &lhs, int &rhs) {
	return __builtin_popcount(lhs) < __builtin_popcount(rhs);
}
void PrecompDPB() {
	for (int conf = 0; conf < (1 << m); conf++) {
		if (dpf[conf] == -1) {
			dpb[conf] = {conf, conf};
		} else if (dpf[conf] != 0) {
			dpb[conf] = {conf, -1};
		} else {
			dpb[conf] = {-1, -1};
		}
		vis[conf] = false;
		// cerr << conf << ' ' << dpb[conf].ff << ' ' << dpb[conf].ss << endl;
	}
	for (int bits = m - 1; bits >= 0; bits--) {
		for (int conf = 0; conf < (1 << m); conf++) {
			if (__builtin_popcount(conf) != bits) continue;
			int ncur;
			int cur = 0;
			for (int i = 0; i < m; i++) {
				if (!bool(conf & (1 << i))) {
					ncur = (conf ^ (1 << i));
					if (dpb[ncur].ff != -1) {
						if (comp(dpb[ncur].ff, dpb[conf].ff)) {
							dpb[conf].ff = dpb[ncur].ff;
						}
						if (dpf[dpb[ncur].ff] == -1) {
							if (comp(dpb[ncur].ff, dpb[conf].ss)) {
								dpb[conf].ss = dpb[ncur].ff;
							}
						} else if (cur == 0) {
							cur = dpb[ncur].ff;
						} else if (dpf[cur] != dpf[dpb[ncur].ff]) {
							// take larger one
							if (comp(cur, dpb[ncur].ff)) {
								if (comp(dpb[ncur].ff, dpb[conf].ss)) {
									dpb[conf].ss = dpb[ncur].ff;
								}
							} else {
								if (comp(cur, dpb[conf].ss)) {
									dpb[conf].ss = cur;
								}
								cur = dpb[ncur].ff;
							}
						} else if (dpf[conf] != dpf[ncur]) {
							// take smaller one
							if (comp(cur, dpb[ncur].ff)) {
								if (comp(cur, dpb[conf].ss)) {
									dpb[conf].ss = cur;
								}
							} else {
								if (comp(dpb[ncur].ff, dpb[conf].ss)) {
									dpb[conf].ss = dpb[ncur].ff;
								}
								cur = dpb[ncur].ff;
							}
						}
					}
					if (dpb[ncur].ss != -1) {
						if (comp(dpb[ncur].ss, dpb[conf].ss)) {
							dpb[conf].ss = dpb[ncur].ss;
						}
						if (comp(dpb[ncur].ss, dpb[conf].ff)) {
							dpb[conf].ff = dpb[ncur].ss;
						}
					}
				}
			}
		}
	}
}
void PrecompPS() {
	for (int j = 0; j < m; j++) {
		ps[0][j] = 0;
		for (int i = 1; i <= n; i++) {
			ps[i][j] = ps[i - 1][j] + bool(a[i] & (1 << j));
		}
	}
}
void st7() {
	PrecompDPF();
	// cerr << "DPF:\n";
	// for (int i = 0; i < (1 << m); i++) cerr << dpf[i] << ' '; cerr << endl;
	// cerr << "END\n";
	PrecompDPB();
	// cerr << "DPB:\n";
	// for (int i = 0; i < (1 << m); i++) {
	// 	cerr << i << ": " << dpb[i].ff << ' ' << dpb[i].ss << endl;
	// }
	// cerr << "END\n";
	PrecompPS();
	for (int i = 1; i <= n; i++) {
		int ans = 0, tar = 0;
		for (int j = 0; j < m; j++) {
			if ((ps[n][j] - bool(a[i] & (1 << j))) > (n >> 1)) {
				ans++;
			} else if ((ps[n][j] - bool(a[i] & (1 << j))) == (n >> 1)) {
				tar |= (1 << j);
			}
		}
		tar ^= ((1 << m) - 1);
		// cerr << ans << ' ' << tar << endl;
		// cerr << dpb[tar].ff << ' ' << dpb[tar].ss << endl;
		int buff = 0;
		if (dpb[tar].ff != -1) {
			if (dpf[dpb[tar].ff] != i) {
				buff = max(buff, m - __builtin_popcount(dpb[tar].ff));
			}
		}
		if (dpb[tar].ss != -1) {
			buff = max(buff, m - __builtin_popcount(dpb[tar].ss));
		}
		// cerr << ans << ' ' << buff << endl;
		ans += buff;
		cout << ans << endl;
	}
}
void st6() {
	return st7();
}
void st5() {
	return st7();
}
void st4() {
	return st7();
}
void st3() {
	return st7();
}
void st2() {
	return st7();
	PrecompPS();
	for (int i = 1; i <= n; i++) {
		int ans = 0;
		int cur;
		for (int j = 1; j <= n; j++) {
			if (i == j) continue;
			cur = 0;
			for (int k = 0; k < m; k++) {
				cur += ((ps[n][k] - bool(a[i] & (1 << k)) - bool(a[j] & (1 << k))) >= (n >> 1));
			}
			ans = max(ans, cur);
		}
		cout << ans << endl;
	}
}
void st1() {
	return st2();
}
void solve() {
	// solve
	cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		a[i] = 0;
		bool temp;
		for (int j = 0; j < m; j++) {
			cin >> temp;
			if (temp) {
				a[i] |= (1 << j);
			}
		}
	}
	if (n <= 300) return st1();
	if (n <= 3000) return st2();
	if (m <= 2) return st3();
	if (m <= 10) return st4();
	if (m <= 14) return st5();
	if (m <= 17) return st6();
	return st7();
}
int32_t main() {
	ios::sync_with_stdio(0); cin.tie(0);
	init(); solve();
}

Subtask #1

0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Incorrect	2 ms	340 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #2

0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Incorrect	2 ms	340 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #3

6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	368 ms	50196 KB	Output is correct
3	Correct	338 ms	50216 KB	Output is correct
4	Correct	322 ms	50164 KB	Output is correct
5	Correct	334 ms	50196 KB	Output is correct
6	Correct	328 ms	50252 KB	Output is correct
7	Correct	338 ms	50200 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	4 ms	852 KB	Output is correct

Subtask #4

0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	368 ms	50196 KB	Output is correct
3	Correct	338 ms	50216 KB	Output is correct
4	Correct	322 ms	50164 KB	Output is correct
5	Correct	334 ms	50196 KB	Output is correct
6	Correct	328 ms	50252 KB	Output is correct
7	Correct	338 ms	50200 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	4 ms	852 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	478 ms	50220 KB	Output is correct
21	Correct	467 ms	50180 KB	Output is correct
22	Incorrect	471 ms	50160 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #5

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	368 ms	50196 KB	Output is correct
3	Correct	338 ms	50216 KB	Output is correct
4	Correct	322 ms	50164 KB	Output is correct
5	Correct	334 ms	50196 KB	Output is correct
6	Correct	328 ms	50252 KB	Output is correct
7	Correct	338 ms	50200 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	4 ms	852 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	478 ms	50220 KB	Output is correct
21	Correct	467 ms	50180 KB	Output is correct
22	Incorrect	471 ms	50160 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #6

0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	368 ms	50196 KB	Output is correct
3	Correct	338 ms	50216 KB	Output is correct
4	Correct	322 ms	50164 KB	Output is correct
5	Correct	334 ms	50196 KB	Output is correct
6	Correct	328 ms	50252 KB	Output is correct
7	Correct	338 ms	50200 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	4 ms	852 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	478 ms	50220 KB	Output is correct
21	Correct	467 ms	50180 KB	Output is correct
22	Incorrect	471 ms	50160 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #7

0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Incorrect	2 ms	340 KB	Output isn't correct
3	Halted	0 ms	0 KB	-