oj.uz

Submission #49928

# Submission time Handle Problem Language Result Execution time Memory
49928 2018-06-05T03:45:25 Z MatheusLealV Amusement Park (JOI17_amusement_park) C++17
18 / 100
 44 ms 11520 KB 
#include "Joi.h"
#include <bits/stdc++.h>
#define maxn 10005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

static int idx[maxn], pai[maxn], deep[maxn], cnt, maior;

static vector<int> grafo[maxn], tree[maxn];

void dfs(int x)
{
	idx[x] = cnt++;

	maior = max(maior, deep[x] + 1);

	for(auto v: grafo[x])
	{
		if(idx[v] != -1) continue;

		pai[v] = x;

		deep[v] = deep[x] + 1;

		tree[x].push_back(v);

		tree[v].push_back(x);

		dfs(v);
	}
}

void Joi(int N, int M, int A[], int B[], ll X, int T)
{
	memset(idx, -1, sizeof idx);

	for(int i = 0; i < M; i++)
	{
		grafo[A[i]].push_back(B[i]);

		grafo[B[i]].push_back(A[i]);
	}

	for(int i = 0; i < N; i++) sort(grafo[i].begin(), grafo[i].end());

	dfs(0);

	for(int i = 0; i < N; i++)
	{
		idx[i] = idx[i] % 60;

		if(X & (1LL<<idx[i])) MessageBoard(i, 1);

		else MessageBoard(i, 0);
	}
}

#include "Ioi.h"
#include <bits/stdc++.h>
#define maxn 10005
#define f first
#define s second
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

static ll idx2[maxn], pai2[maxn], deep2[maxn], cnt2, maior2, dp[maxn];

static ll opt[maxn], ini[maxn], fim[maxn], save[maxn];

static vector<ll> grafo2[maxn], tree2[maxn], euler;

static ll ans = 0;

static set<ll> usados, tem[maxn];

void dfs2(int x)
{
	idx2[x] = cnt2++;

	euler.push_back(x);

	maior2 = max(maior2, deep2[x] + 1);

	dp[x] = 0;

	for(auto v: grafo2[x])
	{
		if(idx2[v] != -1) continue;

		pai2[v] = x;

		deep2[v] = deep2[x] + 1;

		tree2[x].push_back(v);

		tree2[v].push_back(x);

		dfs2(v);

		euler.push_back(x);

		if(dp[v] + 1 > dp[x]) dp[x] = dp[v] + 1, opt[x] = v;
	}
}

ll Ioi(int N, int M, int A[], int B[], int P, int V, int T)
{
	memset(idx2, -1, sizeof idx2);

	int Vo = V;

	for(int i = 0; i < M; i++)
	{
		grafo2[A[i]].push_back(B[i]);

		grafo2[B[i]].push_back(A[i]);
	}

	for(int i = 0; i < N; i++) sort(grafo2[i].begin(), grafo2[i].end());

	dfs2(0);

	for(int i = 0; i < N; i++) idx2[i] = (idx2[i] % 60);

	ll t = 0, save;

	for(int i = 0; i < euler.size(); i++)
	{
		if(euler[i] == P)
		{
			t = save = i;

			break;
		}
	}

	ll pos = 0;

	pos |= (1LL<<idx2[P]);

	t ++;

	for(int cnt = 0; cnt < 120 ; cnt ++)
	{
		if(t >= euler.size() - 1) t = 0;

		ll x = euler[t];

		pos |= (1LL<<idx2[x]);

		t ++;
	}

	//cout<<pos<<" "<<((1LL<<60) - 1LL)<<"\n";

	if(pos == ((1LL<<60) - 1LL))
	{
		if(Vo) ans |= (1LL<<idx2[P]);

		t = save + 1;

		for(int cnt = 0; cnt < 120 ; cnt ++)
		{
			if(t >= euler.size() - 1) t = 0;

			ll x = euler[t];

			V = Move(x);

			if(V) ans |= (1LL<<idx2[x]);

			t ++;
		}

		//cout<<ans<<"\n";

		return ans;
	}
	else
	{
		//for(auto tt: euler) cout<<tt<<" ";

		//cout<<"\n";
		if(Vo) ans |= (1LL<<idx2[P]);

		t = save - 1;

		//cout<<t<<"\n";

		ll aux = 1LL<<idx2[P];

		for(int cnt = 0; cnt < 120 ; cnt ++)
		{
			if(t <= 0) t = euler.size() - 1;

			ll x = euler[t];

			V = Move(x);

			aux |= (1LL<<idx2[x]);

			if(V) ans |= (1LL<<idx2[x]);

			t --;
		}

		return ans;
	}
}

Compilation message

Ioi.cpp: In function 'll Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:71:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < euler.size(); i++)
                 ~~^~~~~~~~~~~~~~
Ioi.cpp:89:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(t >= euler.size() - 1) t = 0;
      ~~^~~~~~~~~~~~~~~~~~~
Ioi.cpp:108:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(t >= euler.size() - 1) t = 0;
       ~~^~~~~~~~~~~~~~~~~~~
Ioi.cpp: At global scope:
Ioi.cpp:12:44: warning: 'save' defined but not used [-Wunused-variable]
 static ll opt[maxn], ini[maxn], fim[maxn], save[maxn];
                                            ^~~~
Ioi.cpp:12:33: warning: 'fim' defined but not used [-Wunused-variable]
 static ll opt[maxn], ini[maxn], fim[maxn], save[maxn];
                                 ^~~
Ioi.cpp:12:22: warning: 'ini' defined but not used [-Wunused-variable]
 static ll opt[maxn], ini[maxn], fim[maxn], save[maxn];
                      ^~~
Ioi.cpp: In function 'll Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:104:5: warning: 'save' may be used uninitialized in this function [-Wmaybe-uninitialized]
   t = save + 1;
   ~~^~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2404 KB Output is correct
2 Correct 7 ms 3188 KB Output is correct
3 Correct 6 ms 3344 KB Output is correct
4 Correct 6 ms 3452 KB Output is correct
5 Correct 6 ms 3560 KB Output is correct
6 Correct 6 ms 3560 KB Output is correct
7 Correct 8 ms 3560 KB Output is correct
8 Correct 6 ms 3560 KB Output is correct
9 Correct 5 ms 3560 KB Output is correct
10 Correct 7 ms 3560 KB Output is correct
11 Correct 12 ms 3776 KB Output is correct
12 Correct 6 ms 3992 KB Output is correct
13 Correct 6 ms 3992 KB Output is correct
14 Correct 6 ms 3992 KB Output is correct
15 Correct 6 ms 3992 KB Output is correct
16 Correct 7 ms 3992 KB Output is correct
17 Correct 6 ms 3992 KB Output is correct
18 Correct 7 ms 3992 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 7380 KB Output is correct
2 Correct 39 ms 8472 KB Output is correct
3 Correct 44 ms 8472 KB Output is correct
4 Correct 25 ms 8472 KB Output is correct
5 Correct 27 ms 8472 KB Output is correct
6 Correct 27 ms 8472 KB Output is correct
7 Incorrect 31 ms 8472 KB Wrong Answer [7]
8 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8472 KB Output is correct
2 Correct 5 ms 8472 KB Output is correct
3 Correct 5 ms 8472 KB Output is correct
4 Correct 8 ms 8472 KB Output is correct
5 Correct 8 ms 8472 KB Output is correct
6 Correct 10 ms 8472 KB Output is correct
7 Correct 9 ms 8472 KB Output is correct
8 Correct 7 ms 8472 KB Output is correct
9 Correct 20 ms 8472 KB Output is correct
10 Correct 23 ms 8472 KB Output is correct
11 Correct 24 ms 8472 KB Output is correct
12 Correct 5 ms 8472 KB Output is correct
13 Correct 5 ms 8472 KB Output is correct
14 Correct 5 ms 8472 KB Output is correct
15 Correct 7 ms 8472 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 8472 KB Output is correct
2 Correct 39 ms 8472 KB Output is correct
3 Correct 44 ms 8472 KB Output is correct
4 Correct 24 ms 8472 KB Output is correct
5 Correct 26 ms 8472 KB Output is correct
6 Correct 29 ms 8472 KB Output is correct
7 Correct 25 ms 8472 KB Output is correct
8 Correct 24 ms 8472 KB Output is correct
9 Correct 26 ms 8472 KB Output is correct
10 Correct 24 ms 8472 KB Output is correct
11 Correct 24 ms 8472 KB Output is correct
12 Correct 24 ms 8472 KB Output is correct
13 Correct 28 ms 8504 KB Output is correct
14 Correct 26 ms 8544 KB Output is correct
15 Correct 29 ms 8552 KB Output is correct
16 Correct 27 ms 8616 KB Output is correct
17 Correct 27 ms 8912 KB Output is correct
18 Correct 27 ms 9244 KB Output is correct
19 Correct 25 ms 9556 KB Output is correct
20 Incorrect 20 ms 10208 KB Wrong Answer [7]
21 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 11084 KB Output is correct
2 Incorrect 40 ms 11520 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -