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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#75481 | #5466. Permutation Compression | Bucketsmith | WA | 2ms | 5708kb | C++14 | 1.6kb | 2023-02-05 12:37:05 | 2023-02-05 12:37:06 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 10;
int n, m, k;
int a[N], l[N];
bool b[N];
int tr[N];
inline int lb(int x) {return x & (-x);}
void add(int p) {
while(p <= n) {
tr[p] ++;
p += lb(p);
}
}
int query(int p) {
int ret = 0;
while(p > 0) {
ret += tr[p];
p -= lb(p);
}
return ret;
}
bool solve() {
scanf("%d%d%d", &n, &m, &k);
memset(b + 1, false, sizeof(bool) * n);
memset(tr + 1, 0, sizeof(int) * n);
for(int i = 1, x; i <= n; i ++) {
scanf("%d", &x);
a[x] = i;
}
for(int i = 1, lst = 0, x; i <= m; i ++) {
scanf("%d", &x);
if(a[x] < a[lst]) return false;
b[x] = true;
lst = x;
}
priority_queue<int> l;
for(int i = 1, x; i <= k; i ++) {
scanf("%d", &x);
l.push(x);
}
set<int> s;
s.insert(0);
s.insert(n + 1);
vector<int> ans;
for(int i = n; i >= 1; i --) {
if(b[i]) s.insert(a[i]);
else {
auto it = s.lower_bound(a[i]);
add(a[i]);
ans.push_back(*it - *prev(it) - query(*it - 1) + query(*prev(it)));
}
}
sort(ans.begin(), ans.end(), greater<int>());
for(int x : ans) {
//cerr << x << " ";
while(l.size() && l.top() > x) l.pop();
if(l.empty()) return false;
l.pop();
}
return true;
}
int main() {
int T;
scanf("%d", &T);
while(T --)
puts(solve() ? "YES" : "NO");
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3596kb
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: 0
Accepted
time: 2ms
memory: 3532kb
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:
ok 100 lines
Test #3:
score: -100
Wrong Answer
time: 2ms
memory: 5708kb
input:
99 6 1 6 1 5 3 4 2 6 1 1 2 1 1 1 6 1 1 1 1 1 1 4 1 3 3 4 1 2 1 1 1 2 2 2 1 2 1 2 1 2 1 1 1 1 1 1 2 1 2 1 2 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 3 2 2 3 2 1 2 1 1 2 3 3 1 2 3 1 2 3 1 1 6 1 5 3 4 2 5 6 1 3 4 2 1 1 1 6 4 4 1 6 5 2 3 4 1 2 3 4 5 4 4 6 2 1 1 1 2 1 1 6 5 1 2 1 4 5 6 3 2 1 4 6 3 2 6 3 6 5 6 2 1 3...
output:
YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO NO YES NO NO NO NO NO NO NO NO NO NO NO NO YES YES NO NO NO YES NO NO NO NO YES YES NO NO NO YES YES NO YES YES NO YES YES YES NO NO NO NO NO NO NO YES NO YES NO NO NO NO YES YES NO YES YES NO YES NO YES NO YES YES YES YES YES YES NO YES NO ...
result:
wrong answer 18th lines differ - expected: 'YES', found: 'NO'