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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 |
---|---|---|---|---|---|---|---|---|---|
#743135 | #5466. Permutation Compression | dddfff | WA | 0ms | 3828kb | C++23 | 1.9kb | 2024-11-13 18:21:26 | 2024-11-13 18:21:27 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
typedef pair<int, int> PII;
const int N = 1e5 + 10;
const int mod = 1e9 + 7;
const int INF = 0x3f3f3f3f;
int T;
int n, m, k;
int c[N], a[N], b[N], pos[N], x;
multiset<int> st;
int lowbit(int x)
{
return x & -x;
}
void add(int x, int val)
{
while (x <= n)
{
c[x] += val;
x += lowbit(x);
}
}
int getsum(int x)
{
int sum = 0;
while (x > 0)
{
sum += c[x];
x -= lowbit(x);
}
return sum;
}
bool islv[N];
void solve()
{
// code
cin >> n >> m >> k;
st.clear();
for (int i = 1; i <= n; i++)
{
cin >> a[i];
pos[a[i]] = i;
c[i] = 0;
islv[i] = 0;
}
for (int i = 1; i <= m; i++)
{
cin >> b[i];
islv[b[i]] = 1;
}
for (int i = 1; i <= k; i++)
{
cin >> x;
st.insert(x);
}
int j = 1;
for (int i = 1; i <= n; i++)
{
add(i, 1);
if (a[i] == b[j])
{
j++;
}
}
if (j != m + 1)
{
cout << "NO" << '\n';
return;
}
set<int> st2;
st2.insert(0);
st2.insert(n + 1);
for (int i = n; i >= 1; i--)
{
if (islv[i])
{
st2.insert(pos[i]);
continue;
}
auto r = st2.lower_bound(pos[i]);
auto l = prev(r);
int len = getsum((*r) - 1) - getsum(*l);
add(pos[i], -1);
auto it = st.upper_bound(len);
if (it == st.begin())
{
cout << "NO" << endl;
return;
}
st.erase(--it);
}
cout << "YES" << '\n';
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int T = 1;
cin >> T;
while (T--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3828kb
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: 3564kb
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 NO 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 NO NO NO NO YES NO NO YES NO YES YES YES NO YES YES YES NO YES NO NO YES YES YES YES NO YES NO YES YES YES YES YES YES YES NO YES YES YES YES YES YES YE...
result:
wrong answer 9th lines differ - expected: 'YES', found: 'NO'