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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#766182 | #5466. Permutation Compression | O_start# | WA | 2ms | 9780kb | C++20 | 4.4kb | 2024-11-20 16:29:50 | 2024-11-20 16:29:57 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define MAX (int)2e5+50
#define mod 998244353
const int N = 2e5 + 50;
struct Node {
int l, r;
int val_max;
int val_sum;
};
struct SegTree {
Node node[4 * N];
void push_up_max(int id) {
if (node[id].l == node[id].r) return;
node[id].val_max = max(node[id * 2].val_max, node[id * 2 + 1].val_max);
}
void push_up_sum(int id) {
if (node[id].l == node[id].r) return;
node[id].val_sum = node[id * 2].val_sum + node[id * 2 + 1].val_sum;
}
void build(int id, int l, int r) { // id 填 1
node[id].val_max = 0;
node[id].val_sum = 0;
node[id].l = l;
node[id].r = r;
if (l == r) return;
int mid = (l + r) / 2;
build(id * 2, l, mid);
build(id * 2 + 1, mid + 1, r);
}
void modify(int id, int p, int x) {
if (node[id].l == node[id].r) {
node[id].val_max = x;
node[id].val_sum = x;
return;
}
int mid = (node[id].l + node[id].r) / 2;
if (p <= mid) {
modify(id * 2, p, x);
}
else {
modify(id * 2 + 1, p, x);
}
push_up_max(id);
push_up_sum(id);
}
int qr_max(int id, int l, int r) {
if (node[id].l >= l && node[id].r <= r) return node[id].val_max;
if (node[id].l > r || node[id].r < l) return 0;
return max(qr_max(id * 2, l, r), qr_max(id * 2 + 1, l, r));
}
int qr_sum(int id, int l, int r) {
if (node[id].l >= l && node[id].r <= r) return node[id].val_sum;
if (node[id].l > r || node[id].r < l) return 0;
return qr_sum(id * 2, l, r) + qr_sum(id * 2 + 1, l, r);
}
};
SegTree tree1, tree2;
int a[MAX], b[MAX];
int x[MAX];
pair<int, int> ran[MAX];
int main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int T;
cin >> T;
while (T--) {
int n, i, j, k, m;
cin >> n >> m >> k;
tree1.build(1, 1, n);
tree2.build(1, 1, n);
for (i = 1; i <= n; i++) {
cin >> a[i];
b[i] = 0;
}
for (i = 1; i <= m; i++) {
int tmp;
cin >> tmp;
b[tmp] = 1;
}
multiset<int> s;
for (i = 0; i < k; i++) {
int tmp;
cin >> tmp;
s.insert(tmp);
}
for (i = 1; i <= n; i++) {
if (b[a[i]]) {
tree1.modify(1, i, a[i]);
}
}
vector<pair<int, int> >vec;
for (i = 1; i <= n; i++) {
if (!b[a[i]]) {
int rec1, rec2;
int l, r;
l = 1, r = i;
while (l < r) {
int mid = (l + r) >> 1;
//cout << mid << ' ' << i << ' ' << tree1.qr_max(1, mid, i) << '\n';
if (tree1.qr_max(1, mid, i) <= a[i]) {
r = mid;
}
else
l = mid + 1;
}
rec1 = l;
l = i, r = n;
while (l < r) {
int mid = (l + r + 1) >> 1;
if (tree1.qr_max(1, i, mid) <= a[i]) {
l = mid;
}
else
r = mid - 1;
}
rec2 = l;
x[i] = rec2 - rec1 + 1;
vec.push_back({ a[i],i });
ran[i] = { rec1,rec2 };
}
}
sort(vec.begin(), vec.end());
reverse(vec.begin(), vec.end());
int flag = 1;
for (auto it : vec) {
x[it.second] -= tree2.qr_sum(1, ran[it.second].first, ran[it.second].second);
tree2.modify(1, it.second, 1);
//cout << "* ";
//cout << ran[it.second].first << ' ' << ran[it.second].second << ' ';
//cout << x[it.second] << '\n';
auto it1 = s.upper_bound(x[it.second]);
if (it1 == s.begin()) {
flag = 0;
break;
}
it1--;
s.erase(it1);
}
if (flag)
cout << "YES" << '\n';
else
cout << "NO" << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 9724kb
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: 2ms
memory: 9780kb
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'