This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);
#define endl "\n"
#define ll long long
#define pb push_back
#define N 100001
#define f first
#define s second
int main(){
lalala;
int n;cin>>n;
int arr[n][4],asa[n][2],yan[n][2];
int yes=0;
memset(yan,-1,sizeof(yan));
memset(asa,-1,sizeof(asa));
for(int uwu=0;uwu<4;uwu++){
for(int i=0;i<n;i++){
cin>>arr[i][uwu];
if(arr[i][uwu]==-1)continue;
if(uwu==0){
yan[i][0]=arr[i][uwu];
if(asa[arr[i][uwu]][0]==-1)asa[arr[i][uwu]][0]=i;
}
if(uwu==1){
yan[i][1]=n-arr[i][uwu]-1;
asa[n-arr[i][uwu]-1][1]=i;
}
}
}
for(int i=0;i<n;i++){
if(arr[i][0]+arr[i][1]>n-1){
yes=1;break;
}
if(arr[i][2]+arr[i][3]>n-1){
yes=1;break;
}
}
if(yes){
cout<<"NE"<<endl;return 0;
}
for(int i=0;i<n;i++){
int yer=arr[i][2];
if(asa[i][0]==yer||asa[i][1]==yer)continue;
if(asa[i][0]==-1||asa[i][1]==-1){
yes=1;
break;
}
if(yer==-1){yes=1;break;}
if(asa[i][0]<yer&&asa[i][1]>yer){
if(yan[yer][0]==-1||yan[yer][1]==-1){
yes=1;break;
}
if(yan[yer][0]<=i&&yan[yer][1]>=i){
continue;
}
}
yes=1;
break;
}
for(int i=0;i<n;i++){
int yer=arr[i][3];
if(asa[i][0]==0&&asa[i][1]==-1&&yer==-1)continue;
yer=n-yer-1;
if(asa[i][0]==yer||asa[i][1]==yer)continue;
if(asa[i][0]==-1||asa[i][1]==-1){
yes=1;
break;
}
if(yer==-1){yes=1;break;}
if(asa[i][0]<yer&&asa[i][1]>yer){
if(yan[yer][0]==-1||yan[yer][1]==-1){
yes=1;break;
}
if(yan[yer][0]<=i&&yan[yer][1]>=i){
continue;
}
}
yes=1;
break;
}
if(yes)cout<<"NE"<<endl;
else cout<<"DA"<<endl;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |