Submission #27342

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
27342	2017-07-12T10:02:50 Z	구사과(#1145)	City (JOI17_city)	C++14	8 / 100	209 ms	40176 KB

Encoder

#include "Encoder.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long lint;
const int MAXN = 250005;

vector<int> gph[MAXN];
int l[MAXN], r[MAXN], sz;

void dfs(int x, int p){
	l[x] = sz++;
	r[x] = 1;
	for(auto &i : gph[x]){
		if(i != p){
			dfs(i, x);
			r[x] += r[i];
		}
	}
}

void Encode(int N, int A[], int B[]){
	for(int i=0; i<N-1; i++){
		gph[A[i]].push_back(B[i]);
		gph[B[i]].push_back(A[i]);
	}
	dfs(0, -1);
	int sum = 0;
	for(int i=0; i<N; i++){
		Code(i, (l[i] << 18) + r[i]);
	}
}

Device

#include "Device.h"
using namespace std;

void InitDevice(){
}

int Answer(long long S, long long T)
{
	int ps = (S >> 18);
	int pe = S & ((1<<18) - 1);
	int qs = (T >> 18);
	int qe = T & ((1<<18) - 1);
	pe += ps;
	qe += qs;
	if(qs <= ps && pe <= qe) return 0;
	if(ps <= qs && qe <= pe) return 1;
	return 2;
}

Compilation message

Encoder.cpp: In function 'void Encode(int, int*, int*)':
Encoder.cpp:27:6: warning: unused variable 'sum' [-Wunused-variable]
  int sum = 0;
      ^~~

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	12288 KB	Output is correct
2	Correct	8 ms	12288 KB	Output is correct
3	Correct	8 ms	12488 KB	Output is correct
4	Correct	7 ms	12424 KB	Output is correct
5	Correct	8 ms	12544 KB	Output is correct
6	Correct	8 ms	12544 KB	Output is correct
7	Correct	8 ms	12544 KB	Output is correct
8	Correct	9 ms	12544 KB	Output is correct
9	Correct	9 ms	12288 KB	Output is correct
10	Correct	8 ms	12288 KB	Output is correct
11	Correct	8 ms	12488 KB	Output is correct
12	Correct	8 ms	12288 KB	Output is correct

Subtask #2

0 / 92.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	168 ms	19616 KB	Output is correct - L = 183238657
2	Correct	169 ms	19504 KB	Output is correct - L = 182976513
3	Correct	170 ms	19704 KB	Output is correct - L = 183238657
4	Correct	172 ms	19440 KB	Output is correct - L = 183238657
5	Incorrect	209 ms	40176 KB	Wrong Answer [3]
6	Halted	0 ms	0 KB	-