oj.uz

Submission #30015

# Submission time Handle Problem Language Result Execution time Memory
30015 2017-07-21T13:00:37 Z gabrielsimoes Amusement Park (JOI17_amusement_park) C++14
18 / 100
 36 ms 8088 KB 
#include <bits/stdc++.h>
#include "Joi.h"
using namespace std;

typedef long long ll;

static void solve2(int N, int M, int A[], int B[], ll X) {
	vector<bool> bits;
	while (X) {
		bits.push_back(X&1);
		X >>= 1;
	}

	reverse(bits.begin(), bits.end());

	for (int i = 0, k = 0; i < N; i++) {
		if (i+bits.size() < N) MessageBoard(i, 0);
		else MessageBoard(i, bits[k++]);
	}
}

static void solve3(int N, int M, int A[], int B[], ll X) {
	vector<bool> bits;
	while (X || bits.size() < 60) {
		bits.push_back(X&1);
		X >>= 1;
	}

	reverse(bits.begin(), bits.end());	

	for (int i = 0, k = 0; i < N; i++) {
		MessageBoard(i, bits[i%60]);
	}
}

void Joi(int N, int M, int A[], int B[], ll X, int T) {
	if (T <= 2) solve2(N,M,A,B,X);
	else if (T == 3) solve3(N,M,A,B,X);	
}

#include <bits/stdc++.h>
#include "Ioi.h"
using namespace std;

typedef long long ll;

const int MAXN = 100000;
static vector<int> g[MAXN];

static ll solve2(int N, int M, int A[], int B[], int P, int V) {
	vector<bool> val(N);
	vector<bool> visisted(N);

	val[P] = V;

	function<void(int)> dfs;
	dfs = [&](int cur) {
		visisted[cur] = true;
		for (int nx : g[cur]) {
			if (visisted[nx]) continue;
			val[nx] = Move(nx);
			dfs(nx);
			Move(cur);
		}
	};

	dfs(P);

	ll ans = 0;
	for (int i = 0; i < N; i++) {
		ans <<= 1;
		ans |= (int) val[i];
	}

	return ans;
}

static ll solve3(int N, int M, int A[], int B[], int P, int V) {
	int start = (P/60)*60;
	if (start + 60 >= N) start -= 60;

	while (P-1 != start)
		Move(--P);

	vector<bool> val(60);
	if (P == start) val[0] = V;
	else val[0] = Move(P = start);

	for (int i = 1; i < 60; i++)
		val[i] = Move(++P);

	ll ans = 0;
	for (int i = 0; i < 60; i++) {
		ans <<= 1;
		ans |= (int) val[i];
	}

	return ans;
}

ll Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
	for (int i = 0; i < M; i++) {
		g[A[i]].push_back(B[i]);
		g[B[i]].push_back(A[i]);
	}

	if (T <= 2) solve2(N,M,A,B,P,V);
	else if (T == 3) solve2(N,M,A,B,P,V);
	else return 0;
}

Compilation message

Joi.cpp: In function 'void solve2(int, int, int*, int*, ll)':
Joi.cpp:17:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i+bits.size() < N) MessageBoard(i, 0);
                     ^
Joi.cpp: In function 'void solve3(int, int, int*, int*, ll)':
Joi.cpp:31:18: warning: unused variable 'k' [-Wunused-variable]
  for (int i = 0, k = 0; i < N; i++) {
                  ^

Ioi.cpp: In function 'll Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
Ioi.cpp: At global scope:
Ioi.cpp:38:11: warning: 'll solve3(int, int, int*, int*, int, int)' defined but not used [-Wunused-function]
 static ll solve3(int N, int M, int A[], int B[], int P, int V) {
           ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7100 KB Output is correct
2 Correct 0 ms 7100 KB Output is correct
3 Correct 0 ms 7100 KB Output is correct
4 Correct 0 ms 7100 KB Output is correct
5 Correct 0 ms 7100 KB Output is correct
6 Correct 0 ms 7100 KB Output is correct
7 Correct 0 ms 7100 KB Output is correct
8 Correct 0 ms 7100 KB Output is correct
9 Correct 0 ms 7100 KB Output is correct
10 Correct 0 ms 7100 KB Output is correct
11 Correct 6 ms 7232 KB Output is correct
12 Correct 0 ms 7100 KB Output is correct
13 Correct 0 ms 7100 KB Output is correct
14 Correct 0 ms 7100 KB Output is correct
15 Correct 0 ms 7100 KB Output is correct
16 Correct 0 ms 7100 KB Output is correct
17 Correct 3 ms 7100 KB Output is correct
18 Correct 0 ms 7100 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 7924 KB Output is correct
2 Correct 36 ms 7928 KB Output is correct
3 Correct 22 ms 7932 KB Output is correct
4 Correct 15 ms 7496 KB Output is correct
5 Correct 15 ms 8088 KB Output is correct
6 Correct 15 ms 7748 KB Output is correct
7 Correct 9 ms 7720 KB Output is correct
8 Correct 12 ms 7708 KB Output is correct
9 Correct 18 ms 7628 KB Output is correct
10 Correct 15 ms 7560 KB Output is correct
11 Correct 9 ms 7560 KB Output is correct
12 Correct 12 ms 7364 KB Output is correct
13 Correct 15 ms 7364 KB Output is correct
14 Correct 22 ms 7364 KB Output is correct
15 Correct 15 ms 7496 KB Output is correct
16 Correct 15 ms 7496 KB Output is correct
17 Correct 12 ms 7496 KB Output is correct
18 Correct 16 ms 7496 KB Output is correct
19 Correct 16 ms 7496 KB Output is correct
20 Correct 12 ms 7476 KB Output is correct
21 Correct 15 ms 7472 KB Output is correct
22 Correct 12 ms 7472 KB Output is correct
23 Correct 12 ms 7472 KB Output is correct
24 Correct 12 ms 7476 KB Output is correct
25 Correct 12 ms 7472 KB Output is correct
26 Correct 12 ms 7476 KB Output is correct
27 Correct 15 ms 7476 KB Output is correct
28 Correct 9 ms 7472 KB Output is correct
29 Correct 12 ms 7448 KB Output is correct
30 Correct 12 ms 7464 KB Output is correct
31 Correct 0 ms 7100 KB Output is correct
32 Correct 0 ms 7100 KB Output is correct
33 Correct 0 ms 7100 KB Output is correct
34 Correct 0 ms 7100 KB Output is correct
35 Correct 0 ms 7100 KB Output is correct
36 Correct 0 ms 7100 KB Output is correct
37 Correct 0 ms 7100 KB Output is correct
38 Correct 0 ms 7100 KB Output is correct
39 Correct 0 ms 7100 KB Output is correct
40 Correct 3 ms 7100 KB Output is correct
41 Correct 0 ms 7100 KB Output is correct
42 Correct 0 ms 7100 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 7100 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7100 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7100 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -