QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#855289#9727. Barkley IIIucup-team3474AC ✓1387ms128416kbC++234.5kb2025-01-12 17:12:372025-01-13 04:20:45

Judging History

你现在查看的是最新测评结果

  • [2025-01-13 04:20:45]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:1387ms
  • 内存:128416kb
  • [2025-01-13 03:55:43]
  • hack成功,自动添加数据
  • (/hack/1447)
  • [2025-01-12 17:12:38]
  • 评测
  • 测评结果:100
  • 用时:1365ms
  • 内存:128472kb
  • [2025-01-12 17:12:37]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define int long long
#ifndef Cai_Guang
#define debug //
#define test //
#endif

struct Info {
	int val;
	int v;
	Info(int _val = 0, int _v = 0) : val(_val), v(_v) {
	}
};

struct Tag {
	int v = -1;
	Tag(int _v = -1) : v(_v) {}
};

Info operator+(const Info &a, const Info &b) {
	return {a.val & b.val, a.v | b.v | (~(a.val | b.val | a.v | b.v))};
}

struct SegmentTree {
	int n;
	
	std::vector<Info> info;
	std::vector<Tag> tag;	
	std::vector<int> len;
	
	void apply(int u, Tag &tag, Tag f) {
		Info &x = info[u];
		if (f.v != -1) {
			tag.v &= f.v;
			if (len[u] == 1) {
				x.val &= f.v;
				x.v = 0;
			} else {
				x = x + (Info(f.v, 0) + Info(f.v, 0));
			}
		}
	}
	
	void build(int u, int l, int r) {
		if (l == r) {
			len[u] = r - l + 1;
			return;
		}
		int mid = (l + r) >> 1;
		pushdown(u);
		build(u << 1, l, mid);
		build(u << 1 | 1, mid + 1, r);
		info[u] = info[u << 1] + info[u << 1 | 1];
	}
	
	SegmentTree(int _n = 0) : n(_n) {
		info.assign(_n << 2, {});
		tag.assign(_n << 2, {});
		len.assign(_n << 2, {});
		build(1, 1, n);
	};
	
	void pushdown(int u) {
		apply(u << 1, tag[u << 1], tag[u]);
		apply(u << 1 | 1, tag[u << 1 | 1], tag[u]);
		tag[u] = Tag();
	}
	
	void modify(int u, int L, int R, int p, Info v) {
		if (p < L || p > R) return;
		if (L == R && L == p) {
			info[u] = v;
			return;
		}
		pushdown(u);
		int mid = (L + R) >> 1;
		modify(u << 1, L, mid, p, v);
		modify(u << 1 | 1, mid + 1, R, p, v);
		info[u] = info[u << 1] + info[u << 1 | 1];
	}
	
	void modify(int u, int L, int R, int l, int r, Tag v) {
		if (r < L || l > R) return;
		if (l <= L && R <= r) {
			apply(u, tag[u], v);
			return;
		}
		int mid = (L + R) >> 1;
		pushdown(u);
		modify (u << 1, L, mid, l, r, v);
		modify(u << 1 | 1, mid + 1, R, l, r, v);
		info[u] = info[u << 1] + info[u << 1 | 1];
	}
	
	Info query(int u, int L, int R, int l, int r) {
		if (l > r || r < L) {
			return {};
		}
		if (l <= L && R <= r) {
			return info[u];
		}
		int mid = (L + R) >> 1;
		pushdown(u);
		if (l <= mid && r > mid) {
			return query(u << 1, L, mid, l, r) + query(u << 1 | 1, mid + 1, R, l, r);
		} else if (l <= mid) {
			return query(u << 1, L, mid, l, r);
		} else {
			return query(u << 1 | 1, mid + 1, R, l, r);
		}
	}
	
	void modify(int p, Info v) {
		modify(1, 1, n, p, v);
	}
	
	void modify(int l, int r, Tag v) {
		modify(1, 1, n, l, r, v);
	}
	
	Info query(int l, int r) {
		if (r < l) return Info(-1, 0);
		return query(1, 1, n, l, r);
	}
	
	bool check(int x, int p) {
		return ((info[x].val >> p & 1) == 0) && ((info[x].v >> p & 1) == 0);
	}
	
	int findpos(int u, int L, int R, int p) {
		if (L == R) {
			return L;
		}
		int mid = (L + R) >> 1;
		pushdown(u);
		if (check(u << 1, p)) {
			return findpos(u << 1, L, mid, p);
		}
		return findpos(u << 1 | 1, mid + 1, R, p);
	}
	
	int find(int u, int L, int R, int l, int r, int p) {
		if (l <= L && R <= r) {
			if (check(u, p)) {
				return findpos(u, L, R, p);
			} else {
				return 0;
			}
		}
		if (L == R) {
			return L;
		}
		int mid = (L + R) >> 1;
		pushdown(u);
		int ans = 0;
		if (mid >= l) {
			ans += find(u << 1, L, mid, l, r, p);
		}
		if (r > mid) {
			ans += find(u << 1 | 1, mid + 1, R, l, r, p);
		}
		return ans;
	}
};

void solve() {
	int n, q;
	std::cin >> n >> q;
	// tr.n = n;
	SegmentTree tr(n);
	
	for (int i = 1; i <= n; i++) {
		int x;
		std::cin >> x;
		tr.modify(i, Info(x, 0));
	}
	
	for (int i = 1; i <= q; i++) {
		int op;
		std::cin >> op;
		if (op == 1) {
			int l, r, x;
			std::cin >> l >> r >> x;
			tr.modify(l, r, Tag(x));
		} else if (op == 2) {
			int s, x;
			std::cin >> s >> x;
			tr.modify(s, Info(x, 0));
		} else {
			int l, r;
			std::cin >> l >> r;
			if (l == r) {
				std::cout << 0 << '\n';
				continue;
			}
			Info ret = tr.query(l, r);
			int pos = -1;
			for (int j = 63; j >= 0; j--) {
				if (!(ret.val >> j & 1) && !(ret.v >> j & 1)) {
					pos = j;
					break;
				}
			} 
			if (pos == -1) {
				std::cout << ret.val << '\n';
			} else {
				int p = tr.find(1, 1, n, l, r, pos);
				int ls = tr.query(l, p - 1).val;
				int rs = tr.query(p + 1, r).val;
				std::cout << (ls & rs) << '\n';
			}
		}
	}
}

signed main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  std::cout.tie(nullptr);

#ifdef Cai_Guang
//freopen("1.in", "r", stdin);
localTest = true;
#endif
   
	int t = 1;
	// std::cin >> t;
	while(t--) {
	    solve();
	}
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3748kb

input:

5 9
7 7 7 6 7
3 1 5
2 1 3
3 1 5
3 1 3
1 1 2 3
3 1 3
2 2 8
3 1 3
3 1 2

output:

7
6
7
3
3
8

result:

ok 6 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3492kb

input:

10 10
6760061359215711796 1568091718842717482 1568091718842717482 1568091718842717482 5232472783634052627 8795942500783873690 1568091718842717482 1568091718842717482 1568091718842717482 1568091718842717482
1 3 5 7587422031989082829
3 6 10
1 7 8 5197616143400216932
2 4 2518604563805514908
2 2 4533959...

output:

1568091718842717482
35184908959744
176025477579040
8795942500783873690

result:

ok 4 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

100 100
4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 625967318191814868 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072360993 4263579105072...

output:

576531121047601152
1
576460752303423488
4263579105072360993
1306043896232411137
4263579105072360993
576531121047601152
633397148123136
0
1153488865559840256
1152922054496880128
1730020640668059136
3533641810948498945
67108864
1730020640668059136
0
633397148123136
1729382296723653632
0
17300206406680...

result:

ok 78 lines

Test #4:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

1000 1000
3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3368486440884437410 3639580211161047627 3368486440884437410 3368486440884437410 3368486440...

output:

3368486440884437410
3368486440884437410
3368486440884437410
2251799981457408
0
0
3368486440884437410
0
3326828075601101216
592509842556584322
0
0
0
0
0
0
37154696925806592
0
0
0
3368486440884437410
0
0
3368486440884437410
0
578998425140330496
0
0
134217728
0
3368486440884437410
2306405959167115264
0...

result:

ok 732 lines

Test #5:

score: 0
Accepted
time: 69ms
memory: 15504kb

input:

100000 100000
4364025563773184234 7745126251050571359 5111681002836044963 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7745126251050571359 7222555899134537718 7745126251050571359 686495...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
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0
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0
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0
0
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0
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0
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0
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0
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0
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4613942216556019776
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0
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0
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0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 75105 lines

Test #6:

score: 0
Accepted
time: 975ms
memory: 128156kb

input:

1000000 1000000
5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485203341817263234 5485...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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8796093022208
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576460754450907136
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0
0
0
0
0
0
0
0...

result:

ok 749866 lines

Test #7:

score: 0
Accepted
time: 928ms
memory: 128144kb

input:

1000000 1000000
6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 6478641409915854014 815888006180307319 6478641409915854014 6478641409915854014 37784...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
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0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 749822 lines

Test #8:

score: 0
Accepted
time: 923ms
memory: 128196kb

input:

1000000 1000000
8129239286682760854 3981028880940170401 2535635990161413927 8316479514668652599 5147316903112543089 4630570098268037408 8505388156841465368 2203883581249948495 581610100009626881 5079268521394939 1476469952815397946 4914699404295060276 4440084747042452220 2702894635900623841 90540586...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
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0
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0
0
0
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0
0
0
0
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0
0
0
0
0
0
0
0
...

result:

ok 749812 lines

Test #9:

score: 0
Accepted
time: 926ms
memory: 128188kb

input:

1000000 1000000
7320373167365396487 7320373167365396487 937526916087788458 7320373167365396487 7320373167365396487 7320373167365396487 6758767667984378025 7320373167365396487 7320373167365396487 7320373167365396487 5687396935769483606 1467370155631201061 3556475128226340387 2212274051825085385 77978...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
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0
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0
0
0
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0
0
0
0
0
0
0
...

result:

ok 748638 lines

Test #10:

score: 0
Accepted
time: 0ms
memory: 3536kb

input:

2 2
3937866409909043622 2873041425983999763
2 2 3645842096674595914
2 1 5018240021376355677

output:


result:

ok 0 lines

Test #11:

score: 0
Accepted
time: 941ms
memory: 128204kb

input:

1000000 1000000
4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900813446099088166 4900...

output:

4900813446099088166
4899930503817200418
4900813446099088166
4899916948900413730
4899916948900413730
4899930503817200418
4899930503817200418
4899930503817200418
4899930503817200418
4900813446099088166
288230380446679040
288230380446679040
4899930503817200418
4899930503817200418
0
768
768
288230724044...

result:

ok 748697 lines

Test #12:

score: 0
Accepted
time: 933ms
memory: 128184kb

input:

1000000 1000000
4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896682234503638342 4896...

output:

4896682234503638342
4896682234503638342
4896682234503638342
82333682484117506
4896682234503638342
82333682484117506
9150188513918978
9150188513918978
4896682234503638342
4896682234503638342
9150188513918978
4896682234503638342
9150188513918978
4896682234503638342
4896682234503638342
9150188513918978...

result:

ok 748737 lines

Test #13:

score: 0
Accepted
time: 935ms
memory: 128336kb

input:

1000000 1000000
5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828086749355423563 5828...

output:

5828086749355423563
8192
0
0
1152921504793493761
0
0
0
134217728
5828086749355423563
4647719230811407937
0
0
0
0
4647719230811407937
4611686018427396096
0
0
4415226380288
0
0
0
0
4665729214006427657
0
0
4665729213955833856
0
4665733612138661120
0
0
4611686018429485056
4666015104295802624
0
0
0
0
0
4...

result:

ok 749804 lines

Test #14:

score: 0
Accepted
time: 925ms
memory: 128196kb

input:

1000000 1000000
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output:

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704052...

result:

ok 749806 lines

Test #15:

score: 0
Accepted
time: 942ms
memory: 128336kb

input:

1000000 1000000
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output:

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result:

ok 749818 lines

Test #16:

score: 0
Accepted
time: 949ms
memory: 128260kb

input:

1000000 1000000
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output:

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result:

ok 749921 lines

Test #17:

score: 0
Accepted
time: 951ms
memory: 128252kb

input:

1000000 1000000
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output:

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result:

ok 749798 lines

Test #18:

score: 0
Accepted
time: 949ms
memory: 128332kb

input:

1000000 1000000
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output:

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result:

ok 332866 lines

Test #19:

score: 0
Accepted
time: 1155ms
memory: 128220kb

input:

1000000 1000000
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output:

2984855923226151208

result:

ok single line: '2984855923226151208'

Test #20:

score: 0
Accepted
time: 650ms
memory: 128208kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #21:

score: 0
Accepted
time: 778ms
memory: 128252kb

input:

1000000 1000000
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output:

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...

result:

ok 1000000 lines

Test #22:

score: 0
Accepted
time: 934ms
memory: 128196kb

input:

1000000 1000000
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output:

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result:

ok 749894 lines

Test #23:

score: 0
Accepted
time: 952ms
memory: 128336kb

input:

1000000 1000000
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output:

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result:

ok 332716 lines

Test #24:

score: 0
Accepted
time: 1190ms
memory: 128400kb

input:

1000000 1000000
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output:

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result:

ok single line: '8665112799136011124'

Test #25:

score: 0
Accepted
time: 638ms
memory: 128220kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #26:

score: 0
Accepted
time: 1387ms
memory: 128260kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #27:

score: 0
Accepted
time: 943ms
memory: 128264kb

input:

1000000 1000000
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output:

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result:

ok 748681 lines

Test #28:

score: 0
Accepted
time: 967ms
memory: 128216kb

input:

1000000 1000000
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output:

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result:

ok 333960 lines

Test #29:

score: 0
Accepted
time: 1212ms
memory: 128248kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #30:

score: 0
Accepted
time: 650ms
memory: 128172kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 1013ms
memory: 128200kb

input:

1000000 1000000
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output:

0
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result:

ok 1000000 lines

Test #32:

score: 0
Accepted
time: 937ms
memory: 128200kb

input:

1000000 1000000
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output:

0
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result:

ok 748671 lines

Test #33:

score: 0
Accepted
time: 972ms
memory: 128332kb

input:

1000000 1000000
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output:

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result:

ok 333672 lines

Test #34:

score: 0
Accepted
time: 1171ms
memory: 128252kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #35:

score: 0
Accepted
time: 639ms
memory: 128176kb

input:

1000000 1000000
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output:

0

result:

ok single line: '0'

Test #36:

score: 0
Accepted
time: 793ms
memory: 128264kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #37:

score: 0
Accepted
time: 941ms
memory: 128260kb

input:

1000000 1000000
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output:

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result:

ok 749802 lines

Test #38:

score: 0
Accepted
time: 976ms
memory: 128228kb

input:

1000000 1000000
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output:

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result:

ok 333436 lines

Test #39:

score: 0
Accepted
time: 1181ms
memory: 128172kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #40:

score: 0
Accepted
time: 663ms
memory: 128336kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #41:

score: 0
Accepted
time: 784ms
memory: 128172kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #42:

score: 0
Accepted
time: 937ms
memory: 128416kb

input:

1000000 1000000
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output:

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result:

ok 749867 lines

Test #43:

score: 0
Accepted
time: 975ms
memory: 128376kb

input:

1000000 1000000
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output:

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result:

ok 332080 lines

Test #44:

score: 0
Accepted
time: 1184ms
memory: 128340kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #45:

score: 0
Accepted
time: 660ms
memory: 128216kb

input:

1000000 1000000
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output:

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result:

ok single line: '0'

Test #46:

score: 0
Accepted
time: 775ms
memory: 128176kb

input:

1000000 1000000
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output:

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result:

ok 1000000 lines

Test #47:

score: 0
Accepted
time: 915ms
memory: 128332kb

input:

1000000 1000000
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output:

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result:

ok 749892 lines

Extra Test:

score: 0
Extra Test Passed