Submission #64547

# Submission time Handle Problem Language Result Execution time Memory
64547 2018-08-04T20:46:26 Z zadrga City (JOI17_city) C++14
100 / 100
522 ms 64016 KB
#include "Encoder.h"
#include <bits/stdc++.h>

using namespace std;
 
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (1LL << 55)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxm 1000111
#define maxn 250111
#define maxk 252

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;

int first_over[maxm], a[maxk];
int l[maxn], len[maxn], cnt;
vector<int> adj[maxn];

void init(){
	cnt = 0;
	for(int i = 0; i < maxn; i++)
		adj[i].clear();

	a[1] = 1;
	for(int i = 2; i < maxk; i++){
		a[i] = (double) a[i - 1] * 1.05;
		a[i] = max(a[i], a[i - 1] + 1);
	}

	int ind = 1;
	for(int i = 1; i <= a[maxk - 1]; i++){
		while(a[ind] < i)
			ind++;

		first_over[i] = ind;
	}
}

void DFS(int x, int p){
	l[x] = ++cnt;
	for(int v : adj[x]){
		if(v == p)
			continue;

		DFS(v, x);
	}
	int num = first_over[cnt - l[x] + 1];
	cnt = l[x] + a[num] - 1;
	len[x] = num; 
}

void Encode(int N, int A[], int B[]){
	init();

	for(int i = 0; i < N - 1; i++){
		adj[A[i]].pb(B[i]);
		adj[B[i]].pb(A[i]);
	}

	DFS(0, -1);

	for(int i = 0; i < N; i++)
		Code(i, 1LL * len[i] * maxm + l[i]);
}
#include "Device.h"
#include <bits/stdc++.h>

using namespace std;
 
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (1LL << 55)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxm 1000111
#define maxn 250111
#define maxk 252
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;

int a1[maxk];

void InitDevice(){
	a1[1] = 1;
	for(int i = 2; i < maxk; i++){
		a1[i] = (double) a1[i - 1] * 1.05;
		a1[i] = max(a1[i], a1[i - 1] + 1);
	}
}

void decode(ll x, int &l, int &d){
	l = x % maxm;
	d = l + a1[x / maxm] - 1; 
}

int Answer(long long S, long long T){
	int la, ra; decode(S, la, ra);
	int lb, rb; decode(T, lb, rb);
	if(lb <= la && ra <= rb)
		return 0;

	if(la <= lb && rb <= ra)
		return 1;

	return 2;
}
# Verdict Execution time Memory Grader output
1 Correct 13 ms 19712 KB Output is correct
2 Correct 11 ms 19712 KB Output is correct
3 Correct 12 ms 19712 KB Output is correct
4 Correct 11 ms 19712 KB Output is correct
5 Correct 12 ms 19712 KB Output is correct
6 Correct 12 ms 19712 KB Output is correct
7 Correct 12 ms 19712 KB Output is correct
8 Correct 12 ms 19712 KB Output is correct
9 Correct 13 ms 19712 KB Output is correct
10 Correct 11 ms 19712 KB Output is correct
11 Correct 12 ms 19712 KB Output is correct
12 Correct 12 ms 19712 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 171 ms 26736 KB Output is correct - L = 105011656
2 Correct 172 ms 26608 KB Output is correct - L = 106011767
3 Correct 174 ms 26608 KB Output is correct - L = 104011545
4 Correct 175 ms 26880 KB Output is correct - L = 105011656
5 Correct 474 ms 62440 KB Output is correct - L = 228025309
6 Correct 481 ms 62704 KB Output is correct - L = 229025420
7 Correct 504 ms 62648 KB Output is correct - L = 229025420
8 Correct 522 ms 62040 KB Output is correct - L = 231025642
9 Correct 408 ms 63800 KB Output is correct - L = 239026530
10 Correct 435 ms 63920 KB Output is correct - L = 241026752
11 Correct 428 ms 63872 KB Output is correct - L = 242026863
12 Correct 402 ms 64016 KB Output is correct - L = 242026863
13 Correct 445 ms 63192 KB Output is correct - L = 234025975
14 Correct 471 ms 62744 KB Output is correct - L = 231025642
15 Correct 173 ms 26936 KB Output is correct - L = 105011656
16 Correct 173 ms 26872 KB Output is correct - L = 105011656
17 Correct 174 ms 26888 KB Output is correct - L = 105011656
18 Correct 449 ms 62880 KB Output is correct - L = 241026752
19 Correct 465 ms 62896 KB Output is correct - L = 241026752
20 Correct 454 ms 63176 KB Output is correct - L = 241026752
21 Correct 464 ms 62912 KB Output is correct - L = 240026641
22 Correct 492 ms 63016 KB Output is correct - L = 240026641
23 Correct 450 ms 62904 KB Output is correct - L = 240026641
24 Correct 465 ms 62696 KB Output is correct - L = 239026530
25 Correct 481 ms 63008 KB Output is correct - L = 238026419
26 Correct 490 ms 62568 KB Output is correct - L = 237026308
27 Correct 500 ms 62392 KB Output is correct - L = 236026197