QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#591780#9302. Caesar CipherlonelywolfWA 1376ms59916kbC++205.7kb2024-09-26 17:46:292024-09-26 17:46:29

Judging History

你现在查看的是测评时间为 2024-09-26 17:46:29 的历史记录

  • [2024-11-04 17:10:09]
  • hack成功,自动添加数据
  • (/hack/1110)
  • [2024-10-21 09:47:48]
  • hack成功,自动添加数据
  • (/hack/1022)
  • [2024-10-21 09:39:50]
  • hack成功,自动添加数据
  • (/hack/1021)
  • [2024-10-21 09:31:34]
  • hack成功,自动添加数据
  • (/hack/1020)
  • [2024-10-03 10:14:59]
  • hack成功,自动添加数据
  • (/hack/928)
  • [2024-09-28 07:51:27]
  • hack成功,自动添加数据
  • (/hack/922)
  • [2024-09-28 07:42:39]
  • hack成功,自动添加数据
  • (/hack/921)
  • [2024-09-26 18:56:22]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:WA
  • 用时:1362ms
  • 内存:59924kb
  • [2024-09-26 18:56:14]
  • hack成功,自动添加数据
  • (/hack/911)
  • [2024-09-26 17:46:29]
  • 评测
  • 测评结果:100
  • 用时:1376ms
  • 内存:59916kb
  • [2024-09-26 17:46:29]
  • 提交

answer

#include <bits/stdc++.h>  
using namespace std;  

constexpr int N = 500000;
constexpr int B = 516;
constexpr array<int, 2> mod = {998244353, 1000000007};

using ll = long long;

int p[N + 10][2];
int s[N + 10][2];
void init() {
	p[0][0] = p[0][1] = 1;
	s[1][0] = s[1][1] = 1;
	for (int t = 0; t < 2; t++) {
		for (int i = 1; i <= N; i++) {
			p[i][t] = 1LL * p[i - 1][t] * B % mod[t];
			s[i + 1][t] = (p[i][t] + s[i][t]) % mod[t];
		}
	}
}

template<class Info, class Tag>
struct LazySegmentTree {
    int n;
    vector<Info> info;
    vector<Tag> tag;
    LazySegmentTree() : n(0) {}
    LazySegmentTree(int n_, Info v_ = Info()) {
        init(n_, v_);
    }
    template<class T>
    LazySegmentTree(vector<T> init_) {
        init(init_);
    }
    void init(int n_, Info v_ = Info()) {
        init(vector(n_ + 1, v_));
    }
    template<class T>
    void init(vector<T> init_) {
        n = init_.size() - 1;
        info.assign(4 << __lg(n) + 1, Info());
        tag.assign(4 << __lg(n) + 1, Tag());
        function<void(int, int, int)> build = [&](int p, int l, int r) {
            if (l == r) {
                info[p] = init_[l];
                return;
            }
            int m = (l + r) / 2;
            build(2 * p, l, m);
            build(2 * p + 1, m + 1, r);
            pull(p);
        };
        build(1, 1, n);
    }
    void pull(int p) {
        info[p] = info[2 * p] + info[2 * p + 1];
    }
    void apply(int p, const Tag &v) {
        info[p].apply(v);
        tag[p].apply(v);
    }
    void push(int p) {
        apply(2 * p, tag[p]);
        apply(2 * p + 1, tag[p]);
        tag[p] = Tag();
    }
    void modify(int p, int l, int r, int x, const Info &v) {
        if (l == r) {
            info[p] = v;
            return;
        }
        int m = (l + r) / 2;
        push(p);
        if (x <= m) {
            modify(2 * p, l, m, x, v);
        } else {
            modify(2 * p + 1, m + 1, r, x, v);
        }
        pull(p);
    }
    void modify(int p, const Info &v) {
        modify(1, 1, n, p, v);
    }
    Info rangeQuery(int p, int l, int r, int x, int y) {
        if (l > y || r < x) {
            return Info();
        }
        if (l >= x && r <= y) {
            return info[p];
        }
        int m = (l + r) / 2;
        push(p);
        return rangeQuery(2 * p, l, m, x, y) + rangeQuery(2 * p + 1, m + 1, r, x, y);
    }
    Info rangeQuery(int l, int r) {
        return rangeQuery(1, 1, n, l, r);
    }
    void rangeApply(int p, int l, int r, int x, int y, const Tag &v) {
        if (l > y || r < x) {
            return;
        }
        if (l >= x && r <= y) {
            apply(p, v);
            return;
        }
        int m = (l + r) / 2;
        push(p);
        rangeApply(2 * p, l, m, x, y, v);
        rangeApply(2 * p + 1, m + 1, r, x, y, v);
        pull(p);
    }
    void rangeApply(int l, int r, const Tag &v) {
        return rangeApply(1, 1, n, l, r, v);
    }
    void work(int p, int l, int r) {
    	if (info[p].mx != 65536) {
    		return;
    	}
    	if (l == r) {
    		info[p].work();
    		return;
    	}
    	int m = (l + r) / 2;
    	push(p);
    	work(2 * p, l, m);
    	work(2 * p + 1, m + 1, r);
    	pull(p);
    }
	template<class F>
    int findFirst(int p, int l, int r, int x, int y, F pred) {
        if (l > y || r < x || !pred(info[p])) {
            return -1;
        }
        if (l == r) {
            return l;
        }
        int m = (l + r) / 2;
        push(p);
        int res = findFirst(2 * p, l, m, x, y, pred);
        if (res == -1) {
            res = findFirst(2 * p + 1, m + 1, r, x, y, pred);
        }
        return res;
    }
    template<class F>
    int findFirst(int l, int r, F pred) {
        return findFirst(1, 1, n, l, r, pred);
    }
    template<class F>
    int findLast(int p, int l, int r, int x, int y, F pred) {
        if (l > y || r < x || !pred(info[p])) {
            return -1;
        }
        if (l == r) {
            return l;
        }
        int m = (l + r) / 2;
        push(p);
        int res = findLast(2 * p + 1, m + 1, r, x, y, pred);
        if (res == -1) {
            res = findLast(2 * p, l, m, x, y, pred);
        }
        return res;
    }
    template<class F>
    int findLast(int l, int r, F pred) {
        return findLast(1, 1, n, l, r, pred);
    }
};
struct Tag {
    int d = 0;
    void apply(Tag t) {
    	d += t.d;
	}
};
struct Info {
	array<int, 2> val {0, 0};
    int len = 0;
    int mx = 0;
    void apply(Tag t) {
    	mx += t.d;
    	for (int i = 0; i < 2; i++) {
    		val[i] = (1LL * t.d * s[len][i] % mod[i] + val[i]) % mod[i];
    	}
	}
	void work() {
		mx = 0;
		val = {0, 0};
	}
};
Info operator+(Info a, Info b) {
    Info ret;
    ret.len = a.len + b.len;
    ret.mx = max(a.mx, b.mx);
    for (int t = 0; t < 2; t++) {
    	ret.val[t] = (1LL * a.val[t] * p[b.len][t] % mod[t] + b.val[t]) % mod[t];
    }
    return ret;
}

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

    init();

    int n, q;
	cin >> n >> q;

	LazySegmentTree<Info, Tag> tr(n);
	for (int i = 1; i <= n; i++) {
		int x;
		cin >> x;
		tr.modify(i, {{x % mod[0], x % mod[1]}, 1, x});
	}

	while (q--) {
		int o;
		cin >> o;

		if (o == 1) {
			int l, r;
			cin >> l >> r;
			tr.rangeApply(l, r, {1});
			tr.work(1, 1, n);
		} else {
			int x, y, L;
			cin >> x >> y >> L;

			auto v1 = tr.rangeQuery(x, min(n, x + L - 1));
			auto v2 = tr.rangeQuery(y, min(n, y + L - 1));
			
			if (v1.val == v2.val && v1.len == v2.len) {
				cout << "yes\n";
			} else {
				cout << "no\n";
			}
		}
	}

    return 0;
}  

这程序好像有点Bug,我给组数据试试?

详细

Test #1:

score: 100
Accepted
time: 3ms
memory: 11472kb

input:

5 6
1 2 1 2 1
2 1 2 2
2 1 3 3
1 1 1
1 3 5
2 1 2 4
2 1 2 2

output:

no
yes
no
yes

result:

ok 4 token(s): yes count is 2, no count is 2

Test #2:

score: 0
Accepted
time: 7ms
memory: 11480kb

input:

3 3
0 65535 65535
2 1 2 2
1 2 3
2 1 2 2

output:

no
yes

result:

ok 2 token(s): yes count is 1, no count is 1

Test #3:

score: 0
Accepted
time: 8ms
memory: 11448kb

input:

1000 1000
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 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 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 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 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 ...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
...

result:

ok 1000 token(s): yes count is 1000, no count is 0

Test #4:

score: 0
Accepted
time: 204ms
memory: 22804kb

input:

100000 100000
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 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 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 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 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 ...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
...

result:

ok 100000 token(s): yes count is 100000, no count is 0

Test #5:

score: 0
Accepted
time: 1376ms
memory: 59844kb

input:

500000 500000
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 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 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 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 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 ...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
...

result:

ok 500000 token(s): yes count is 500000, no count is 0

Test #6:

score: 0
Accepted
time: 1281ms
memory: 59916kb

input:

500000 500000
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 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 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 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 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 ...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
...

result:

ok 500000 token(s): yes count is 500000, no count is 0

Test #7:

score: 0
Accepted
time: 1292ms
memory: 59600kb

input:

500000 500000
65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 65535 65534 6553...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
...

result:

ok 500000 token(s): yes count is 449947, no count is 50053

Test #8:

score: 0
Accepted
time: 1098ms
memory: 59916kb

input:

500000 500000
49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 49999 49997 4999...

output:

yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
no
yes
y...

result:

ok 251941 token(s): yes count is 226844, no count is 25097

Test #9:

score: 0
Accepted
time: 1109ms
memory: 59876kb

input:

500000 500000
65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 ...

output:

no
no
no
no
no
no
no
no
yes
no
no
yes
no
no
no
no
no
no
no
no
no
no
yes
yes
no
no
yes
no
no
yes
no
no
no
yes
no
no
no
no
no
no
no
yes
no
no
no
no
no
no
no
no
no
no
yes
no
no
no
no
no
no
yes
no
no
yes
no
no
no
no
no
no
no
no
no
yes
no
no
no
no
no
no
no
no
no
no
no
yes
yes
no
no
no
yes
no
no
no
no
yes...

result:

ok 251981 token(s): yes count is 32353, no count is 219628

Test #10:

score: 0
Accepted
time: 1101ms
memory: 59776kb

input:

500000 500000
0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 65535 0 6553...

output:

yes
yes
yes
yes
no
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
yes
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
no
...

result:

ok 251952 token(s): yes count is 227079, no count is 24873

Test #11:

score: 0
Accepted
time: 1124ms
memory: 59868kb

input:

500000 500000
2 1 2 3 1 2 3 2 3 3 3 2 3 2 2 3 3 1 1 2 1 1 3 1 2 2 1 2 1 2 3 1 1 3 2 2 3 3 3 1 3 1 2 3 3 3 3 1 1 3 1 1 3 2 2 3 1 3 1 2 1 1 1 3 2 1 1 2 3 1 3 3 1 3 2 2 3 3 2 3 2 1 3 2 3 3 2 3 1 1 2 1 3 3 3 2 1 2 1 1 1 1 3 1 3 1 1 3 2 1 3 2 1 1 3 3 1 3 1 3 1 2 2 1 1 1 2 2 1 1 1 3 3 1 2 3 3 2 1 3 3 1 2 ...

output:

no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no...

result:

ok 251970 token(s): yes count is 4568, no count is 247402

Test #12:

score: 0
Accepted
time: 135ms
memory: 56260kb

input:

282544 1
0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 1 0 0 1 0 1 1 0 0 1 1 0 1 0 0 1 0 1...

output:

no

result:

ok NO

Extra Test:

score: 0
Extra Test Passed