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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#138552 | #5466. Permutation Compression | ammardab3an# | WA | 1ms | 3544kb | C++17 | 3.2kb | 2023-08-11 22:45:53 | 2023-08-11 22:46:14 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
vector<int> st, st1;
vector<int> a, b, c;
void build(int v, int l, int r){
if(l == r){
st[v] = a[l];
st1[v] = 1;
}
else {
int mid = (l+r)/2;
build(2*v, l, mid);
build(2*v+1, mid+1, r);
st[v] = max(st[2*v], st[2*v+1]);
st1[v] = st1[2*v] + st1[2*v+1];
}
}
int query(int v, int l, int r, int tl, int tr){
if(tl > tr) return 0;
if(l == tl && r == tr) return st[v];
int mid = (l+r)/2;
int f = query(2*v, l, mid, tl, min(mid, tr));
int s = query(2*v+1, mid+1, r, max(mid+1, tl), tr);
return max(f, s);
}
int query1(int v, int l, int r, int tl, int tr){
if(tl > tr) return 0;
if(l == tl && r == tr) return st1[v];
int mid = (l+r)/2;
int f = query1(2*v, l, mid, tl, min(mid, tr));
int s = query1(2*v+1, mid+1, r, max(mid+1, tl), tr);
return f + s;
}
void del(int v, int l, int r, int idx){
if(l == r){
st[v] = 0;
st1[v] = 0;
return;
}
int mid = (l+r)/2;
if(idx <= mid) del(2*v, l, mid, idx);
else del(2*v+1, mid+1, r, idx);
st[v] = max(st[2*v], st[2*v+1]);
st1[v] = st1[2*v] + st1[2*v+1];
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
int t;
cin >> t;
while(t--){
int n, m, k;
cin >> n >> m >> k;
a.clear();
a.resize(n);
b.clear();
b.resize(m);
c.clear();
c.resize(k);
for(int &x : a) cin >> x;
for(int &x : b) cin >> x;
for(int &x : c) cin >> x;
sort(c.begin(), c.end());
set<int> temp(b.begin(), b.end());
vector<int> d;
for(int i = 1; i <= n; i++){
if(!temp.count(i)) d.push_back(i);
}
sort(d.begin(), d.end(), greater<int>());
bool ok = 1;
st.clear(); st1.clear();
st.resize(n*4+10);
st1 = st;
build(1, 0, n-1);
multiset<int> cc(c.begin(), c.end());
vector<int> idx(n+1, 0);
for(int i = 0; i < n; i++) idx[a[i]] = i;
for(int x : d){
bool ok1 = 0;
int nxt = idx[x], prev = idx[x];
int l = idx[x], r = n-1;
while(l <= r){
int mid = (l+r)/2;
if(query(1, 0, n-1, idx[x], mid) <= x){
nxt = mid;
l = mid+1;
} else r = mid-1;
}
l = 0, r = idx[x];
while(l <= r){
int mid = (l+r)/2;
if(query(1, 0, n-1, mid, idx[x]) <= x){
prev = mid;
r = mid-1;
} else l = mid+1;
}
int len = query1(1, 0, n-1, prev, nxt);
if(cc.empty() || *cc.begin() > len){
ok = 0;
break;
}
// cout << "here " << endl;
auto itr = cc.upper_bound(len);
itr--;
cc.erase(itr);
del(1, 0, n-1, idx[x]);
}
if(ok) cout << "YES\n";
else cout << "NO\n";
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3536kb
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: 3544kb
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 YES 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 Y...
result:
wrong answer 45th lines differ - expected: 'NO', found: 'YES'