#include<iostream>
using namespace std;
int r[100005];
int s[100005];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n; cin >> n;
for(int i=0;i<4;i++) {
for(int j=0;j<n;j++) {
int a;
cin >> a;
if(i == 0) {
if(a == -1) {
r[j] = -1;
continue;
}
r[j] = 1;
s[a] = 1;
}
else if(i == 1) {
if(a == -1) {
if(r[j] == 1) goto ne;
continue;
}
else if(r[j] == -1 || s[n - a - 1] == -1) goto ne;
r[j] = 1;
s[n - a - 1] = 1;
}
else if(i == 2) {
if(a == -1) {
if(s[j] == 1) goto ne;
continue;
}
else if(s[j] == -1 || r[a] == -1) goto ne;
r[a] = 1;
s[j] = 1;
}
else if(i == 3) {
if(a == -1) {
if(s[j] == 1) goto ne;
continue;
}
else if(s[j] == -1 || r[n - a - 1] == -1) goto ne;
r[n - a - 1] = 1;
s[j] = 1;
}
}
}
cout << "DA";
return 0;
ne:
cout << "NE";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
500 KB |
Output is correct |
4 |
Correct |
2 ms |
500 KB |
Output is correct |
5 |
Correct |
2 ms |
524 KB |
Output is correct |
6 |
Correct |
2 ms |
540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
668 KB |
Output is correct |
2 |
Correct |
2 ms |
668 KB |
Output is correct |
3 |
Correct |
2 ms |
668 KB |
Output is correct |
4 |
Correct |
2 ms |
668 KB |
Output is correct |
5 |
Correct |
3 ms |
668 KB |
Output is correct |
6 |
Correct |
2 ms |
668 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
47 ms |
1384 KB |
Output is correct |
2 |
Correct |
26 ms |
1404 KB |
Output is correct |
3 |
Correct |
30 ms |
1408 KB |
Output is correct |
4 |
Correct |
34 ms |
1408 KB |
Output is correct |
5 |
Correct |
19 ms |
1408 KB |
Output is correct |
6 |
Correct |
17 ms |
1408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
45 ms |
1408 KB |
Output is correct |
2 |
Correct |
32 ms |
1408 KB |
Output is correct |
3 |
Correct |
15 ms |
1408 KB |
Output is correct |
4 |
Correct |
49 ms |
1408 KB |
Output is correct |
5 |
Correct |
37 ms |
1408 KB |
Output is correct |
6 |
Correct |
58 ms |
1444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
53 ms |
1444 KB |
Output is correct |
2 |
Correct |
31 ms |
1444 KB |
Output is correct |
3 |
Correct |
22 ms |
1444 KB |
Output is correct |
4 |
Correct |
21 ms |
1444 KB |
Output is correct |
5 |
Correct |
20 ms |
1444 KB |
Output is correct |
6 |
Correct |
32 ms |
1444 KB |
Output is correct |