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 |
---|---|---|---|---|---|---|---|---|---|
#138574 | #5466. Permutation Compression | ammardab3an# | WA | 1ms | 5656kb | C++17 | 2.7kb | 2023-08-11 23:22:45 | 2023-08-11 23:22:46 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll N = 2e5 + 10;
ll st[4 * N], st1[4 * N];
vector<int> a, b, c;
void build(int v, int l, int r) {
if (l == r) {
st[v] = a[l];
st1[v] = 1;
}
else {
int mid = (l + r) / 2;
build(2 * v, l, mid);
build(2 * v + 1, mid + 1, r);
st[v] = max(st[2 * v], st[2 * v + 1]);
st1[v] = st1[2 * v] + st1[2 * v + 1];
}
}
int query(int v, int l, int r, int tl, int tr) {
if (tl > r || tr < l) return 0;
if (tl <= l && tr >= r) return st[v];
int mid = (l + r) / 2;
int f = query(2 * v, l, mid, tl, tr);
int s = query(2 * v + 1, mid + 1, r, tl, tr);
return max(f, s);
}
int query1(int v, int l, int r, int tl, int tr) {
if (tl > r || tr < l) return 0;
if (tl <= l && tr >= r) return st1[v];
int mid = (l + r) / 2;
int f = query1(2 * v, l, mid, tl, tr);
int s = query1(2 * v + 1, mid + 1, r, tl, tr);
return f + s;
}
void del(int v, int l, int r, int idx) {
if (l == r) {
st[v] = 0;
st1[v] = 0;
return;
}
int mid = (l + r) / 2;
if (idx <= mid) del(2 * v, l, mid, idx);
else del(2 * v + 1, mid + 1, r, idx);
st[v] = max(st[2 * v], st[2 * v + 1]);
st1[v] = st1[2 * v] + st1[2 * v + 1];
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int t;
cin >> t;
while (t--) {
int n, m, k;
cin >> n >> m >> k;
a.clear();
a.resize(n);
b.clear();
b.resize(m);
c.clear();
c.resize(k);
for (int& x : a) cin >> x;
for (int& x : b) cin >> x;
for (int& x : c) cin >> x;
sort(c.begin(), c.end());
set<int> temp(b.begin(), b.end());
vector<int> d;
for (int i = 1; i <= n; i++) {
if (!temp.count(i)) d.push_back(i);
}
sort(d.begin(), d.end(), greater<int>());
build(1, 0, n - 1);
vector<int> idx(n + 1, 0);
vector<ll>need;
for (int i = 0; i < n; i++) idx[a[i]] = i;
for (int x : d) {
int nxt = idx[x], prev = idx[x];
int l = idx[x], r = n - 1;
while (l <= r) {
int mid = (l + r) / 2;
if (query(1, 0, n - 1, idx[x], mid) <= x) {
nxt = mid;
l = mid + 1;
}
else r = mid - 1;
}
l = 0, r = idx[x];
while (l <= r) {
int mid = (l + r) / 2;
if (query(1, 0, n - 1, mid, idx[x]) <= x) {
prev = mid;
r = mid - 1;
}
else l = mid + 1;
}
int len = query1(1, 0, n - 1, prev, nxt);
need.emplace_back(len);
del(1, 0, n - 1, idx[x]);
}
bool ok = 1;
sort(need.begin(), need.end());
for (int i = 0, j = 0; i < need.size(); i++) {
if (j == c.size() || c[j] > need[i]) {
ok = 0;
break;
}
j++;
}
if (ok) cout << "YES\n";
else cout << "NO\n";
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5656kb
input:
3 5 2 3 5 1 3 2 4 5 2 1 2 4 5 5 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 3 2 2 3 1 2 3 2 2 3
output:
YES YES NO
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 5540kb
input:
100 2 1 2 2 1 2 1 1 2 1 2 1 2 1 2 2 2 1 1 1 2 1 2 6 1 5 3 4 2 5 6 1 3 5 2 1 1 1 6 1 6 2 1 3 6 4 5 1 4 1 2 2 1 4 3 3 2 2 1 3 2 1 3 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 2 1 2 1 2 4 4 3 2 1 3 4 2 1 3 4 4 3 1 1 1 1 1 1 1 6 5 1 6 2 5 4 3 1 6 2 4 3 1 4 1 1 1 1 1 1 6 5 3 3 6 1 4 5 2 3 6 1 4 2 3 3 4 4 3 4 3 4 ...
output:
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 NO YES YES YES YES YES YES YES YES YES YES NO NO NO YES YES NO 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 NO YES YES YES YES Y...
result:
wrong answer 45th lines differ - expected: 'NO', found: 'YES'