QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#90030 | #5466. Permutation Compression | sroid_03 | TL | 14ms | 6568kb | C++14 | 4.5kb | 2023-03-22 00:17:29 | 2023-03-22 00:17:32 |
Judging History
answer
// by Siddhid Saha (2112010)
#include <bits/stdc++.h>
using namespace std;
#define INF 1e18
#define endl "\n"
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define PI atan(1)*4
#define set_bits __builtin_popcountllO
#define all(x) (x).begin(), (x).end()
#define vi vector<int>
#define vll vector<ll>
#define pll pair<ll,ll>
#define rvsort(a) sort(all(a),greater<ll>())
#define read(a,n) for(int i = 0 ; i < n ; i ++){ cin >> a[i];}
#define printv(a) for(auto it: a){cout << it << " ";} cout << endl;
#define ms(arr, v) memset(arr, v, sizeof(arr))
typedef long long ll;
typedef unsigned long long ull;
typedef long double lld;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
/*---------------------------------------------------------------------------------------------------------------------------*/
ll gcd(ll a, ll b) {if (b > a) {return gcd(b, a);} if (b == 0) {return a;} return gcd(b, a % b);}
ll expo(ll a, ll b, ll mod) {ll res = 1; while (b > 0) {if (b & 1)res = (res * a) % mod; a = (a * a) % mod; b = b >> 1;} return res;}
void extendgcd(ll a, ll b, ll*v) {if (b == 0) {v[0] = 1; v[1] = 0; v[2] = a; return ;} extendgcd(b, a % b, v); ll x = v[1]; v[1] = v[0] - v[1] * (a / b); v[0] = x; return;} //pass an arry of size1 3
ll mminv(ll a, ll b) {ll arr[3]; extendgcd(a, b, arr); return arr[0];} //for non prime b
ll mminvprime(ll a, ll b) {return expo(a, b - 2, b);}
void google(int t) {cout << "Case #" << t << ": ";}
vector<ll> sieve(int n) {int*arr = new int[n + 1](); vector<ll> vect; for (int i = 2; i <= n; i++)if (arr[i] == 0) {vect.push_back(i); for (int j = 2 * i; j <= n; j += i)arr[j] = 1;} return vect;}
ll phin(ll n) {ll number = n; if (n % 2 == 0) {number /= 2; while (n % 2 == 0) n /= 2;} for (ll i = 3; i <= sqrt(n); i += 2) {if (n % i == 0) {while (n % i == 0)n /= i; number = (number / i * (i - 1));}} if (n > 1)number = (number / n * (n - 1)) ; return number;} //O(sqrt(N))
ll uid(ll l, ll r) {return uniform_int_distribution<ll>(l, r)(rng);}
/*--------------------------------------------------------------------------------------------------------------------------*/
//const int mod = 1e9 + 7;
//const int mod = 998244353;
const int maxN = 400005;
struct BIT{
ll N;
vll bit;
void init(ll n){
N = n;
bit.assign(n+1 , 0);
}
void update(ll ind , ll val){
while(ind <= N){
bit[ind]+= val;
ind += (ind & (-ind));
}
}
ll psum(ll ind){
ll ans = 0;
while(ind > 0){
ans += bit[ind];
ind -= (ind & (-ind));
}
return ans;
}
ll rsum(ll l , ll r){
return psum(r)-psum(l-1);
}
ll find(ll val){
ll curr = 0 , prevsum = 0;
for(int i = log2(N) ; i >= 0 ; i --){
if(curr + (1 << i) < N && prevsum + bit[curr + (1 << i)] < val){
prevsum += bit[curr + (1 << i)];
curr += (1 << i);
}
}
return curr + 1;
}
void prints(void){
printv(bit);
}
};
multiset<ll> mst1 , mst2;
vll posa, posb , a , b , vis;
void solve()
{
ll n , m , k; cin >> n >> m >> k;
BIT bt; bt.init(maxN);
mst1.clear(); mst2.clear(); a.clear(); b.clear(); posa.clear(); posb.clear();
a.resize(n+1) , posa.resize(n+1),posb.resize(n+1), b.resize(m+1);
for(int i = 1 ; i<= n ; i++){
cin >> a[i];
posa[a[i]]=i;
}
for(int i = 1; i <= m ;i ++){
cin >> b[i];
posb[b[i]]=i;
}
for(int i = 1 ; i <= n ; i ++){
bt.update(i , 1);
}
for(int i = 0 ; i < k ; i ++){
ll x; cin >> x; mst1.insert(x);
}
mst2.insert(0);
mst2.insert(n+1);
for(int i = 1; i< m; i ++){
if(posa[b[i]] > posa[b[i+1]]){
cout << "NO" << endl;
return;
}
}
for(int i = n; i > 0; i--){
if (posb[i]){
mst2.insert(posa[i]);
}else {
int r = *mst2.lower_bound(posa[i]);
int l = *--mst2.lower_bound(posa[i]);
int len = bt.rsum(l + 1, r - 1);
auto tmp = mst1.upper_bound(len);
if (tmp == mst1.begin()) {
cout << "NO" << endl;
return;
}
mst1.erase(--tmp);
bt.update(posa[i] , -1);
}
}
cout << "YES" << endl;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
ll t = 1;
cin >> t;
for(int i = 1 ; i <= t ; i++){
//google(i);
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 6480kb
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: 13ms
memory: 6480kb
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: 0
Accepted
time: 14ms
memory: 6568kb
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 YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES YES YES YES NO NO YES YES YES NO YES YES YES NO YES YES NO YES NO YES NO YES YES YES YES YES YES NO YES NO NO YES YES YES YE...
result:
ok 99 lines
Test #4:
score: 0
Accepted
time: 11ms
memory: 6568kb
input:
98 6 1 6 6 1 4 5 2 3 3 1 2 2 1 1 6 4 3 2 2 3 4 1 2 1 3 3 4 1 1 1 1 1 1 6 1 6 6 4 3 1 2 5 1 3 1 3 1 1 5 1 1 1 1 1 1 6 4 4 3 4 1 2 5 6 3 4 1 2 2 4 3 1 6 5 1 4 5 3 6 1 2 4 5 3 1 2 6 1 1 1 1 1 1 5 1 4 1 3 2 4 5 1 5 3 4 4 6 3 4 1 4 2 3 6 5 1 2 5 5 4 6 5 4 1 3 2 1 4 3 2 1 1 1 1 1 1 1 1 1 6 3 5 5 1 3 6 4 2...
output:
YES NO YES YES YES YES YES YES NO NO YES YES NO YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES NO YES YES YES NO YES YES YES YES YES YES YES YES YES YES YES YES NO YES YES YES YES NO YES YES YES YES YES NO YES NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES NO YES NO Y...
result:
ok 98 lines
Test #5:
score: -100
Time Limit Exceeded
input:
60000 1 1 1 1 1 1 1 1 1 1 1 1 3 2 1 2 3 1 2 1 2 3 3 1 1 2 3 1 2 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 2 3 2 1 3 2 1 1 1 2 2 1 2 1 2 1 1 1 1 1 1 1 1 2 2 1 1 2 1 2 1 1 1 1 1 1 1 3 1 3 2 3 1 1 2 3 2 3 3 2 2 3 1 2 3 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 2 3 3 2 1 2 1 1 2 1 3 2 2 1 3 2 3 2 3 ...
output:
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 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 NO YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES YES...