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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 |
---|---|---|---|---|---|---|---|---|---|
#409792 | #8338. Quad Kingdoms Chess | bigJ | WA | 41ms | 4396kb | C++23 | 4.1kb | 2024-05-12 18:36:27 | 2024-05-12 18:36:28 |
Judging History
answer
#include <bits/stdc++.h>
constexpr bool isprime(int n) {
if (n <= 1) {
return false;
}
for (int i = 2; i * i <= n; i++) {
if (n % i == 0) {
return false;
}
}
return true;
}
constexpr int findPrime(int n) {
while (!isprime(n)) {
n++;
}
return n;
}
std::mt19937 rnd(std::chrono::high_resolution_clock::now().time_since_epoch().count());
const int P = findPrime(rnd() % 900000000 + 100000000);
const int B = rnd() % P;
constexpr int N = 100000;
int p[N + 1];
template <class Info>
struct SegmentTree {
#define m (l + r) / 2
int n;
std::vector<Info> tr;
SegmentTree() : n(0) {}
SegmentTree(int n_, Info v_ = Info()) {
init(n_, v_);
}
template<class T>
SegmentTree(std::vector<T> init_) {
init(init_);
}
void init(int n_, Info v_ = Info()) {
init(std::vector(n_, v_));
}
template<class T>
void init(std::vector<T> init_) {
n = init_.size();
tr.assign(4 << std::__lg(n), Info());
std::function<void(int, int, int)> build = [&](int p, int l, int r) {
if (r - l == 1) {
tr[p] = init_[l];
tr[p].l = l;
tr[p].r = r;
return;
}
build(2 * p, l, m);
build(2 * p + 1, m, r);
pull(p);
};
build(1, 0, n);
}
void pull(int p) {
tr[p] = merge(tr[2 * p], tr[2 * p + 1], *this);
}
void modify(int p, int l, int r, int x, const Info& v) {
if (r - l == 1) {
tr[p] = v;
tr[p].l = l;
tr[p].r = r;
return;
}
if (x < m) {
modify(2 * p, l, m, x, v);
} else {
modify(2 * p + 1, m, r, x, v);
}
pull(p);
}
void modify(int x, const Info& v) {
modify(1, 0, n, x, 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 tr[p];
}
return merge(rangeQuery(2 * p, l, m, x, y), rangeQuery(2 * p + 1, m, r, x, y), *this);
}
Info rangeQuery(int l, int r) {
return rangeQuery(1, 0, n, l, r);
}
#undef m
};
struct Info {
int l;
int r;
int max;
int premin;
int hash;
int siz;
Info() : l(-1), r(-1), max(0), premin(N + 1), hash(0), siz(1) {}
Info(int v) : l(0), r(0), max(v), premin(v), hash(1LL * v * B % P), siz(1) {}
};
Info merge(const Info& a, const Info& b, SegmentTree<Info>& seg) {
if (a.l == -1) {
return b;
} else if (b.l == -1) {
return a;
}
Info c = a;
c.r = b.r;
if (c.max > b.max) {
return c;
}
c.premin = std::min(c.premin, b.premin);
Info d = b;
if (d.premin < c.max) {
int pos = *std::ranges::partition_point(std::views::iota(b.l, b.r), [&](int m) {
return seg.rangeQuery(m, b.r).premin < c.max;
});
d = seg.rangeQuery(pos, b.r);
}
c.max = d.max;
c.siz += d.siz;
c.hash = (c.hash + d.hash * p[a.siz] % P) % P;
return c;
}
int main() {
p[0] = 1;
for (int i = 1; i <= N; i++) {
p[i] = (1LL * p[i - 1] * B) % P;
}
int n1, n2, m;
scanf("%d", &n1);
std::vector<int> a(n1);
for (int i = 0; i < n1; i++) {
scanf("%d", &a[i]);
}
scanf("%d", &n2);
std::vector<int> b(n2);
for (int i = 0; i < n2; i++) {
scanf("%d", &b[i]);
}
std::ranges::reverse(a);
std::ranges::reverse(b);
SegmentTree<Info> sega(a);
SegmentTree<Info> segb(b);
for (scanf("%d", &m); m; m--) {
int o, x, y;
scanf("%d%d%d", &o, &x, &y);
if (o == 1) {
sega.modify(n1 - x, y);
} else {
segb.modify(n2 - x, y);
}
puts(sega.tr[1].hash == segb.tr[1].hash ? "YES" : "NO");
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 4396kb
input:
5 1 2 3 4 5 5 5 4 3 2 1 8 1 1 5 1 4 2 1 2 4 1 5 1 1 5 5 2 1 4 2 3 5 2 5 5
output:
NO NO NO YES NO NO NO YES
result:
ok 8 tokens
Test #2:
score: 0
Accepted
time: 33ms
memory: 4332kb
input:
1 2 6 2 1 1 1 1 1 200000 2 6 2 1 1 1 1 1 1 1 1 2 2 1 1 1 1 2 1 1 1 2 4 1 2 1 2 1 1 1 1 1 2 2 5 1 1 1 1 1 1 2 1 1 1 2 6 1 1 1 2 1 1 2 1 1 2 2 3 1 1 1 1 2 1 1 2 6 2 1 1 2 2 4 1 1 1 2 2 6 1 1 1 2 1 1 1 2 5 2 2 6 2 1 1 1 2 4 2 2 5 2 2 6 2 1 1 1 2 5 1 2 6 2 1 1 2 1 1 1 1 1 1 2 4 1 1 1 2 1 1 2 1 1 2 2 3 2...
output:
NO NO NO NO YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES YES YES NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES YES 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 NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO N...
result:
ok 200000 tokens
Test #3:
score: 0
Accepted
time: 34ms
memory: 4224kb
input:
6 2 1 1 2 1 2 1 1 200000 2 1 1 1 1 2 1 1 1 2 1 2 2 1 1 2 1 1 2 1 2 2 1 2 1 1 2 1 3 1 1 6 2 1 5 2 1 4 2 1 3 1 2 1 2 1 4 2 1 4 2 2 1 2 2 1 2 1 3 1 1 6 1 1 1 2 2 1 1 1 6 1 1 3 1 1 5 2 1 6 2 1 5 2 2 1 2 1 2 1 1 5 2 2 1 1 2 1 1 1 6 1 2 1 2 2 1 1 1 3 2 2 1 1 1 6 1 1 4 2 1 2 1 1 1 1 2 1 1 1 2 1 1 6 2 1 6 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 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 ...
result:
ok 200000 tokens
Test #4:
score: -100
Wrong Answer
time: 41ms
memory: 4088kb
input:
6 1 3 1 2 1 2 6 2 1 3 3 3 1 200000 2 4 2 1 2 1 1 6 2 2 3 2 1 1 1 1 6 2 1 6 2 1 3 2 2 6 1 2 4 3 1 1 2 2 5 2 2 6 2 2 3 1 1 4 3 1 3 1 2 5 2 2 4 2 2 1 3 1 1 1 2 2 2 2 4 2 1 5 3 1 6 3 2 6 3 1 5 3 2 5 3 2 4 1 2 4 2 1 1 2 1 6 1 2 6 1 1 2 3 1 1 3 1 1 1 2 6 3 2 4 1 1 4 2 2 2 1 1 3 1 1 1 3 1 1 3 1 4 3 1 3 3 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 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 ...
result:
wrong answer 27th words differ - expected: 'YES', found: 'NO'