#include <bits/stdc++.h>
using namespace std;
#define f0 first
#define s2 second
#define mp make_pair
#define pb push_back
#define ll long long
#define fri(a) freopen(a,"r",stdin);
#define fro(a) freopen(a,"w",stdout);
const int N=1e5+5;
int n,left1[N],right1[N],top[N],bottom[N];
int main(){
//fri("in.txt");
//fro("out.txt");
ios_base::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
cin>>n;
for(int i=0;i<n;i++){
cin>>left1[i];
}
for(int i=0;i<n;i++){
cin>>right1[i];
}
for(int i=0;i<n;i++){
cin>>top[i];
}
for(int i=0;i<n;i++){
cin>>bottom[i];
}
for(int i=0;i<n;i++){
if(left1[i]==-1){
if(right1[i]!=-1 || top[0]==i || bottom[0]==n-i-1){
cout<<"NE"<<endl;
return 0;
}
}
if(left1[i]>=0){
if(top[left1[i]]>i || bottom[left1[i]]>i || right1[i]+left1[i]>=n){
cout<<"NE"<<endl;
return 0;
}
}
if(right1[i]==-1){
if(left1[i]!=-1 || top[n-1]==i || bottom[n-1]==n-i-1){
cout<<"NE"<<endl;
return 0;
}
}
if(right1[i]>=0){
if(top[n-right1[i]-1]>i || bottom[n-right1[i]-1]>i || right1[i]+left1[i]>=n){
cout<<"NE"<<endl;
return 0;
}
}
if(top[i]==-1){
if(bottom[i]!=-1 || left1[0]==i || right1[0]==i){
cout<<"NE"<<endl;
return 0;
}
}
if(top[i]>=0){
if(top[i]+bottom[i]>=n || left1[top[i]]>i || right1[top[i]]>n-i-1){
cout<<"NE"<<endl;
return 0;
}
}
if(bottom[i]==-1){
if(top[i]!=-1 || left1[n-1]==i || right1[n-1]==i){
cout<<"NE"<<endl;
return 0;
}
}
if(bottom[i]>=0){
if(top[i]+bottom[i]>=n || left1[n-bottom[i]-1]>i || right1[n-bottom[i]-1]>n-i-1){
//cout<<i<<" "<<left1[n-bottom[i]-1]<<" "<<right1[n-bottom[i]-1];
cout<<"NE"<<endl;
return 0;
}
}
}
cout<<"DA"<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
44 ms |
3832 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
45 ms |
4008 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
43 ms |
3928 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |