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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 |
---|---|---|---|---|---|---|---|---|---|
#375473 | #8338. Quad Kingdoms Chess | isaunoya | WA | 29ms | 3904kb | C++23 | 3.3kb | 2024-04-03 11:17:15 | 2024-04-03 11:17:16 |
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(time(NULL));
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;
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;
}
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];
leaf.resize(n * 4);
mx.resize(n * 4);
tr.resize(n * 4);
build(0, n, 1);
}
vi leaf, mx;
vc<ull> tr;
ull calc(int p, int x) {
if (x > mx[p]) {
return 1ULL;
} else if (leaf[p]) {
if (x <= mx[p]) {
return mx[p];
} else {
return 1ULL;
}
}
if (x > mx[p * 2 + 1]) { // x <= mx[p * 2]
return calc(p * 2, x);
} else { // x <= mx[p * 2 + 1]
return tr[p] * calc(p * 2 + 1, x);
}
}
void pull(int p) {
mx[p] = max(mx[p * 2], mx[p * 2 + 1]);
tr[p] = calc(p * 2, mx[p * 2 + 1]);
}
void build(int l, int r, int 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);
}
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;
a[p].modify(x, y);
// debug(a[0].sol(), a[1].sol());
// debug(a[0].stk(), a[1].stk(), a[0].a, a[1].a);
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;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3904kb
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: -100
Wrong Answer
time: 29ms
memory: 3884kb
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 YES YES YES YES NO YES NO YES YES YES NO NO YES 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 N...
result:
wrong answer 17th words differ - expected: 'NO', found: 'YES'