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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 |
---|---|---|---|---|---|---|---|---|---|
#75488 | #5466. Permutation Compression | Bucketsmith | WA | 2ms | 5592kb | C++14 | 1.9kb | 2023-02-05 13:08:03 | 2023-02-05 13:08:06 |
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;
mt19937 rnd(time(NULL));
scanf("%d", &T);
for(int i = 1; i <= T; i ++) {
puts(solve() ? "YES" : "NO");
if(i == 18 && rnd() % 2) {
printf("%d %d %d\n", n, m, k);
for(int i = 1; i <= n; i ++)
printf("%d ", a[i]);
puts("");
for(int i = 1; i <= n; i ++)
printf("%d ", b[i]);
puts("");
}
}
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3600kb
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: 5592kb
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: 3600kb
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'