QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#654989 | #5466. Permutation Compression | tz3528 | WA | 1ms | 3824kb | C++23 | 1.6kb | 2024-10-18 23:37:29 | 2024-10-18 23:37:29 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int N = 2e5 + 10;
int tr[N];
int lowbit(int x) {
return x & -x;
}
void add(int pos, int d) {
if(pos <= 0) return ;
for(int i = pos; i < N; i += lowbit(i)) {
tr[i] += d;
}
}
int query(int pos) {
int res = 0;
if(pos <= 0) return 0;
for(int i = pos; i; i -= lowbit(i)) {
res += tr[i];
}
return res;
}
void solve() {
int n, m, k;
cin >> n >> m >> k;
std::vector<int> pos(n + 1), has(n + 1);
for(int i = 1, x; i <= n; i ++ ) {
cin >> x;
pos[x] = i;
}
vector<int> a(m + 1);
for(int i = 1, x; i <= m; i ++ ) {
cin >> x;
has[x] = 1;
a[i] = x;
}
int flag=0;
for(int i = 1; i < m; i ++ ) {
if(pos[a[i + 1]] < pos[a[i]]) {
flag=1;
}
}
multiset<int> st;
st.insert(0);
st.insert(n + 1);
for(int i = 1, x; i <= k; i ++ ) {
cin >> x;
st.insert(x);
}
if(flag){
cout<<"NO\n";
return ;
}
set<int> p;
p.insert(0);
p.insert(n + 1);
bool fg = 0;
vector<int> need_del(n + 1);
for(int i = n; i >= 1; i -- ) {
if(!has[i]) {
auto it = p.upper_bound(pos[i]);
int l = *prev(it), r = *it;
int w = r - l - 1;
auto it2 = prev(st.upper_bound(w));
if(*it2 == 0) {
fg = 1;
break;
} else {
st.erase(it2);
}
} else {
p.insert(pos[i]);
}
}
if(fg) {
cout << "NO\n";
} else {
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;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3524kb
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: 1ms
memory: 3824kb
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 YES YES YES YES YES YES YES YES YES YES YES NO NO NO YES YES YES NO YES YES YES YES YES 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 YE...
result:
wrong answer 28th lines differ - expected: 'NO', found: 'YES'