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 |
---|---|---|---|---|---|---|---|---|---|
#138558 | #5466. Permutation Compression | ammardab3an# | WA | 1ms | 3608kb | C++17 | 2.8kb | 2023-08-11 22:54:11 | 2023-08-11 22:54:15 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
vector<int> st, st1;
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 > tr) return 0;
if (l == tl && r == tr) return st[v];
int mid = (l + r) / 2;
int f = query(2 * v, l, mid, tl, min(mid, tr));
int s = query(2 * v + 1, mid + 1, r, max(mid + 1, tl), tr);
return max(f, s);
}
int query1(int v, int l, int r, int tl, int tr) {
if (tl > tr) return 0;
if (l == tl && r == tr) return st1[v];
int mid = (l + r) / 2;
int f = query1(2 * v, l, mid, tl, min(mid, tr));
int s = query1(2 * v + 1, mid + 1, r, max(mid + 1, 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>());
bool ok = 1;
st.clear(); st1.clear();
st.resize(n * 4 + 10);
st1 = st;
build(1, 0, n - 1);
multiset<int> cc(c.begin(), c.end());
vector<int> idx(n + 1, 0);
vector<ll>need;
for (int i = 0; i < n; i++) idx[a[i]] = i;
for (int x : d) {
bool ok1 = 0;
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]);
}
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;
}
}
if (ok) cout << "YES\n";
else cout << "NO\n";
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3476kb
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: 1ms
memory: 3608kb
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 YES YES YES YES YES YES YES YES YES YES YES NO YES 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 YES YES YES YES YE...
result:
wrong answer 28th lines differ - expected: 'NO', found: 'YES'