import java.util.*;
import java.io.*;
import java.math.*;
class poklon {
static BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
static StringTokenizer token;
static int N;
static int[][] C;
public static void main(String[] args) throws IOException {
nextLn();
N = nextInt();
C = new int[N+1][2];
for(int i = 1; i<=N; i++) {
nextLn();
C[i][0] = nextInt();
C[i][1] = nextInt();
}
BigInteger ans = dfs(1);
System.out.println(ans.toString(2));
// System.out.println(ans);
}
public static BigInteger dfs(int x) {
if(x<0) {
return new BigInteger(Integer.toString(-x));
}
BigInteger l = dfs(C[x][0]), r = dfs(C[x][1]);
BigInteger ans;
if(l.compareTo(r)>0)
ans = l;
else
ans = r;
return ans.multiply(new BigInteger("2"));
}
//nextLn moves the token to the nextLine
public static void nextLn() throws IOException {
token = new StringTokenizer(reader.readLine());
}
//nextInt returns the next available integer
public static int nextInt() {
return Integer.parseInt(token.nextToken());
}
//nextDouble returns the next available integer
public static double nextDouble() {
return Double.parseDouble(token.nextToken());
}
//next returns the next word separated by spaces
public static String next() {
return token.nextToken();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
95 ms |
10616 KB |
Output is correct |
2 |
Correct |
92 ms |
11088 KB |
Output is correct |
3 |
Correct |
97 ms |
11200 KB |
Output is correct |
4 |
Correct |
97 ms |
11392 KB |
Output is correct |
5 |
Correct |
99 ms |
11512 KB |
Output is correct |
6 |
Correct |
101 ms |
11512 KB |
Output is correct |
7 |
Correct |
105 ms |
11740 KB |
Output is correct |
8 |
Correct |
107 ms |
11740 KB |
Output is correct |
9 |
Correct |
113 ms |
11928 KB |
Output is correct |
10 |
Correct |
161 ms |
13576 KB |
Output is correct |
11 |
Correct |
238 ms |
22536 KB |
Output is correct |
12 |
Correct |
266 ms |
22836 KB |
Output is correct |
13 |
Correct |
579 ms |
55844 KB |
Output is correct |
14 |
Correct |
947 ms |
107488 KB |
Output is correct |
15 |
Correct |
557 ms |
107488 KB |
Output is correct |
16 |
Execution timed out |
1077 ms |
126364 KB |
Time limit exceeded |
17 |
Execution timed out |
1180 ms |
146012 KB |
Time limit exceeded |
18 |
Execution timed out |
1218 ms |
159588 KB |
Time limit exceeded |
19 |
Execution timed out |
1129 ms |
159588 KB |
Time limit exceeded |
20 |
Execution timed out |
1212 ms |
159588 KB |
Time limit exceeded |