QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#375544 | #8338. Quad Kingdoms Chess | isaunoya | WA | 42ms | 3820kb | C++23 | 3.8kb | 2024-04-03 12:16:49 | 2024-04-03 12:16:50 |
Judging History
answer
#if defined(LOCAL)
#include <D:/cp/templates/my_template_compiled.hpp>
#else
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,popcnt")
#include <bits/stdc++.h>
#define debug(...) 42
#define rep1(a) for (auto i = 0; i < a; i++)
#define rep2(i, a) for (auto i = 0; i < a; i++)
#define rep3(i, a, b) for (auto i = a; i < b; i++)
#define rep4(i, a, b, c) for (auto i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)
#define pb emplace_back
using namespace std;
template <typename T, typename T2> void cmin(T &x, const T2 &y) {
x = x < y ? x : y;
}
template <typename T, typename T2> void cmax(T &x, const T2 &y) {
x = x > y ? x : y;
}
template <typename T> using vc = vector<T>;
using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
mt19937 rng(2813289);
const int INF = 1000000000;
const ll LNF = 1000000000000000000;
#define sz(x) int((x).size())
#define all(x) begin(x), end(x)
#define fi first
#define se second
#endif
using ull = unsigned long long;
mt19937_64 rng2(2854182);
vi get_stk(vi a) {
vi stk;
for (auto ai : a) {
while (!stk.empty() && stk.back() < ai) {
stk.pop_back();
}
stk.pb(ai);
}
return stk;
}
const int mod = 998244353;
map<int, ll> foo;
map<int, ull> bar;
struct array {
int n;
vi a;
array() {}
array(int N) { n = N; }
void init(int N) {
n = N;
a.resize(n);
rep(i, n) cin >> a[i];
rep(i, n) {
if (!foo.count(a[i])) {
foo[a[i]] = rng();
bar[a[i]] = rng2();
}
}
leaf.resize(n * 4);
mx.resize(n * 4);
tr.resize(n * 4);
tr2.resize(n * 4);
build(0, n, 1);
}
vi leaf, mx;
vc<ll> tr;
vc<ull> tr2;
pair<ll, ull> calc(int p, int x) {
if (x > mx[p]) {
return pii(1, 1);
} else if (leaf[p]) {
if (x <= mx[p]) {
return make_pair(foo[mx[p]], bar[mx[p]]);
} else {
return pii(1, 1);
}
}
if (x > mx[p * 2 + 1]) { // x <= mx[p * 2]
return calc(p * 2, x);
} else { // x <= mx[p * 2 + 1]
auto [cur1, cur2] = calc(p * 2 + 1, x);
return make_pair(tr[p] * cur1 % mod, tr2[p] * cur2);
}
}
void pull(int p) {
mx[p] = max(mx[p * 2], mx[p * 2 + 1]);
auto [cur1, cur2] = calc(p * 2, mx[p * 2 + 1]);
tr[p] = cur1;
tr2[p] = cur2;
}
void build(int l, int r, int p) {
// debug(l, r, p);
if (r - l == 1) {
leaf[p] = 1;
mx[p] = a[l];
return;
}
int m = (l + r) / 2;
build(l, m, p * 2);
build(m, r, p * 2 + 1);
pull(p);
}
void modify(int l, int r, int p, int x, int v) {
if (r - l == 1) {
leaf[p] = 1;
mx[p] = v;
return;
}
int m = (l + r) / 2;
if (x < m) {
modify(l, m, p * 2, x, v);
} else {
modify(m, r, p * 2 + 1, x, v);
}
pull(p);
}
void modify(int x, int y) {
a[x] = y;
modify(0, n, 1, x, y);
}
pair<ll, ull> sol() { return calc(1, -1); }
// void modify(int x, int y) { a[x] = y; }
// vi stk() { return get_stk(a); }
} a[2];
void solve() {
int n[2];
cin >> n[0];
a[0].init(n[0]);
cin >> n[1];
a[1].init(n[1]);
int Q;
cin >> Q;
while (Q--) {
int p, x, y;
cin >> p >> x >> y;
--p;
--x;
if (!foo.count(y)) {
foo[y] = rng();
bar[y] = rng2();
}
a[p].modify(x, y);
// cout << (a[0].stk() == a[1].stk() ? "YES" : "NO") << "\n";
cout << (a[0].sol() == a[1].sol() ? "YES" : "NO") << "\n";
}
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
while (t--) {
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3568kb
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: 36ms
memory: 3788kb
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: 36ms
memory: 3820kb
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: 42ms
memory: 3652kb
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 YES YES YES YES 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 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:
wrong answer 180th words differ - expected: 'YES', found: 'NO'