//#pragma GCC optimize("O3,unroll-loops,Ofast")
//#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
//using namespace __gnu_pbds;
#define MAX 200007
#define pb push_back
#define mp make_pair
#define int long long
#define f first
#define s second
#define vi vector<int>
#define pii pair<int,int>
#define si set<int>
#define vpii vector<pair<int,int>>
const int mod = 1e9+7;
const int INF = 1e18;
// myMap.begin()->first : key
// myMap.begin()->second : value
int epow(int a,int b){int ans=1;while(b){if(b&1) ans*=a;a*=a;;b>>=1;}return ans;}
int gcd(int a,int b) {if(a<b)swap(a,b);while(b){int tmp=b;b=a%b;a=tmp;}return a;}
int mul(int a,int b){return ((a%mod)*(b%mod))%mod;}
int sum(int a,int b){return ((a%mod)+(b%mod))%mod;}
//typedef tree<pii,null_type,less<pii>,rb_tree_tag,tree_order_statistics_node_update>ordered_set;
void solve(){
int n; cin>>n;
vi left(n),right(n),top(n),bottom(n);
// for(int i=0;i<n;i++) cin>>left[i];
// for(int i=0;i<n;i++) cin>>right[i];
// for(int i=0;i<n;i++) cin>>top[i];
// for(int i=0;i<n;i++) cin>>bottom[i];
vector<vi> rows(n+2),columns(n+2);
for(int i=0;i<n;i++){
cin>>left[i];
if(left[i]==-1) continue;
rows[i+1].pb(left[i]+1);
columns[left[i]+1].pb(i+1);
}
for(int i=0;i<n;i++){
cin>>right[i];
if(right[i]==-1) continue;
rows[i+1].pb(n-right[i]);
columns[n-right[i]].pb(i+1);
}
for(int i=0;i<n;i++){
cin>>top[i];
if(top[i]==-1) continue;
columns[i+1].pb(top[i]+1);
rows[top[i]+1].pb(i+1);
}
for(int i=0;i<n;i++){
cin>>bottom[i];
if(bottom[i]==-1) continue;
columns[i+1].pb(n-bottom[i]);
rows[n-bottom[i]].pb(i+1);
}
for(int i=1;i<=n;i++) sort(rows[i].begin(),rows[i].end());
for(int i=1;i<=n;i++) sort(columns[i].begin(),columns[i].end());
// for(int i=1;i<=n;i++){
// for(auto u : rows[i]) cout<<u<<" ";
// cout<<endl;
// }
for(int i=0;i<n;i++){
if(left[i]==-1){
if(rows[i+1].size()) {cout<<"NE\n";return;}
}
else if(rows[i+1][0]!=left[i]+1){cout<<"NE\n";return;}
}
for(int i=0;i<n;i++){
if(right[i]==-1){
if(rows[i+1].size()) {cout<<"NE\n";return;}
}
else if(rows[i+1][rows[i+1].size()-1]!=n-right[i]) {cout<<"NE\n";return;}
}
for(int i=0;i<n;i++){
if(top[i]==-1){
if(columns[i+1].size()) {cout<<"NE\n";return;}
}
else if(columns[i+1][0]!=top[i]+1) {cout<<"NE\n";return;}
}
for(int i=0;i<n;i++){
if(bottom[i]==-1){
if(columns[i+1].size()) {cout<<"NE\n";return;}
}
else if(columns[i+1][columns[i+1].size()-1]!=n-bottom[i]) {cout<<"NE\n";return;}
}
cout<<"DA\n";
return;
}
int32_t main() {
// freopen("hayfeast.in", "r", stdin);
// freopen("hayfeast.out", "w", stdout);
ios_base::sync_with_stdio(0);cin.tie(0);
int t=1;
// cin >> t;
while (t--) solve();
return 0;
}
/*
3
-1 2 0
-1 0 1
2 2 1
0 0 1
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
56 ms |
18004 KB |
Output is correct |
2 |
Correct |
80 ms |
23124 KB |
Output is correct |
3 |
Correct |
75 ms |
23308 KB |
Output is correct |
4 |
Correct |
19 ms |
9328 KB |
Output is correct |
5 |
Correct |
76 ms |
23124 KB |
Output is correct |
6 |
Correct |
77 ms |
23124 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
67 ms |
22356 KB |
Output is correct |
2 |
Correct |
24 ms |
9564 KB |
Output is correct |
3 |
Correct |
79 ms |
23124 KB |
Output is correct |
4 |
Correct |
50 ms |
20208 KB |
Output is correct |
5 |
Correct |
79 ms |
23124 KB |
Output is correct |
6 |
Correct |
66 ms |
22464 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
60 ms |
18120 KB |
Output is correct |
2 |
Correct |
18 ms |
9308 KB |
Output is correct |
3 |
Correct |
80 ms |
23116 KB |
Output is correct |
4 |
Correct |
82 ms |
23124 KB |
Output is correct |
5 |
Correct |
104 ms |
23128 KB |
Output is correct |
6 |
Correct |
25 ms |
9376 KB |
Output is correct |