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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#108431 | #5466. Permutation Compression | 6aren | WA | 2ms | 3480kb | C++17 | 1.8kb | 2023-05-25 00:53:02 | 2023-05-25 00:53:04 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <cp/debugger.hpp>
#else
#define debug(...) 42
#endif
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
typedef int64_t int64;
typedef pair<int, int> ii;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int tt;
cin >> tt;
while (tt--) {
int n, m, k;
cin >> n >> m >> k;
vector<int> a(n), pos(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
a[i]--;
pos[a[i]] = i;
}
vector<int> b(m);
for (int &e : b) cin >> e, e--;
vector<int> l(k);
for (int &e : l) cin >> e;
bool ok = true;
for (int i = 1; i < m; i++) {
ok &= (pos[b[i - 1]] < pos[b[i]]);
}
vector<int> left(n), right(n);
{
stack<int> st;
for (int i = 0; i < n; i++) {
while (!st.empty() && a[st.top()] < a[i]) st.pop();
left[i] = (st.empty() ? -1 : st.top());
st.push(i);
}
}
{
stack<int> st;
for (int i = n - 1; i >= 0; i--) {
while (!st.empty() && a[st.top()] < a[i]) st.pop();
right[i] = (st.empty() ? n : st.top());
st.push(i);
}
}
vector<int> in_b(n);
for (int e : b) in_b[e] = 1;
vector<int> all_lens;
for (int i = 0; i < n; i++) {
if (in_b[a[i]]) continue;
int len = right[i] - left[i] - 1;
all_lens.push_back(len);
}
sort(l.begin(), l.end());
sort(all_lens.begin(), all_lens.end());
int cur = 0;
if (sz(l) < sz(all_lens)) {
ok = false;
} else {
for (int i = 0; i < sz(all_lens); i++) {
ok &= (l[i] <= all_lens[i]);
}
}
cout << (ok ? "YES\n" : "NO\n");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3480kb
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: 3384kb
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 NO 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 YE...
result:
wrong answer 82nd lines differ - expected: 'YES', found: 'NO'