oj.uz

Submission #1021067

# Submission time Handle Problem Language Result Execution time Memory
1021067 2024-07-12T13:36:23 Z 0npata Amusement Park (JOI17_amusement_park) C++17
80 / 100
 22 ms 5640 KB 
#include "Joi.h"

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

#define vec vector

namespace joi {

const int MXN = 10'005;

int t = 0;

vec<int> tree[MXN];
int depth[MXN];
int ind[MXN];
vec<int> g[MXN];

void dfs1(int u, vec<bool>& vis) {
	vis[u] = true;
	for(int v : g[u]) {
		if(vis[v]) continue;
		dfs1(v, vis);
		depth[u] = max(depth[u], 1+depth[v]);
		tree[u].push_back(v);
	}
	sort(tree[u].begin(), tree[u].end(), [&](int x, int y) { return depth[x] == depth[y] ? x < y : depth[x] > depth[y]; });
}

void dfs2(int u) {
	ind[u] = t;
	t += 1;
	for(int v : tree[u]) {
		dfs2(v);
	}
}

void Joi(int N, int M, int A[], int B[], long long X, int T) {

	vec<bool> vis(N);

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


	dfs1(0, vis);

	dfs2(0);


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

		int val = (X & ((long long)1<<bi)) != 0;
		MessageBoard(i, val);

	}
}

}


void Joi(int N, int M, int A[], int B[], long long X, int T) { joi::Joi(N, M, A, B, X, T); };

#include "Ioi.h"
#include<bits/stdc++.h>

using namespace std;

#define vec vector

namespace ioi {


	const int MXN = 10'005;

	vec<int> g[MXN];
	int par[MXN];
	int sz[MXN];

	vec<int> vals(MXN, -1);

	int t = 0;

	vec<int> tree[MXN];
	int depth[MXN];
	int ind[MXN];

	void dfs1(int u, vec<bool>& vis) {
		vis[u] = true;
		sz[u] = 1;
		for(int v : g[u]) {
			if(vis[v]) continue;
			par[v] = u;
			dfs1(v, vis);
			depth[u] = max(depth[u], 1+depth[v]);
			sz[u] += sz[v];
			tree[u].push_back(v);
		}
		sort(tree[u].begin(), tree[u].end(), [&](int x, int y) { return depth[x] == depth[y] ? x < y : depth[x] > depth[y]; });
	}

	void dfs2(int u) {
		ind[u] = t++;
		for(int v : tree[u]) {
			dfs2(v);
		}
	}

	void dfs3(int u, vec<int>& mvs, int rem) {
		rem -= 1;
		for(int v : tree[u]) {
			if(rem <= 0) {
				return;
			}
			mvs.push_back(v);
			dfs3(v, mvs, rem);
			rem -= sz[v];
			mvs.push_back(u);
		}
	}

long long 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]);
	}

	vec<bool> vis(N);
	dfs1(0, vis);
	dfs2(0);

	long long x = 0;

	vals[P] = V;

	int cur = P;
	int cnt = 0;
	while(sz[cur] < 60) {
		cnt++;
		int cur_val = Move(par[cur]);

		cur = par[cur];

		vals[cur] = cur_val;
	}

	vec<int> mvs(0);

	dfs3(cur, mvs, 60);

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

	//while(cnt--) mvs.pop_back();

	for(int i = 1; i<mvs.size(); i++) {
		int nxt = mvs[i];
		vals[nxt] = Move(nxt);
	}

	for(int i = 0; i<N; i++) {
		if(vals[i] != -1) {
			int bi = ind[i]%60;
			x |= (((long long)vals[i]) << bi);
		}
	}
	return x;
}
}


long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) { return ioi::Ioi(N, M, A, B, P, V, T); }

Compilation message

Ioi.cpp: In function 'long long int ioi::Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:92:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |  for(int i = 1; i<mvs.size(); i++) {
      |                 ~^~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1816 KB Output is correct
2 Correct 1 ms 1808 KB Output is correct
3 Correct 2 ms 1824 KB Output is correct
4 Correct 1 ms 1828 KB Output is correct
5 Correct 1 ms 1832 KB Output is correct
6 Correct 2 ms 1856 KB Output is correct
7 Correct 2 ms 1840 KB Output is correct
8 Correct 1 ms 1824 KB Output is correct
9 Correct 1 ms 1824 KB Output is correct
10 Correct 1 ms 1820 KB Output is correct
11 Correct 3 ms 2396 KB Output is correct
12 Correct 2 ms 1836 KB Output is correct
13 Correct 1 ms 1840 KB Output is correct
14 Correct 1 ms 1824 KB Output is correct
15 Correct 2 ms 1824 KB Output is correct
16 Correct 1 ms 1820 KB Output is correct
17 Correct 1 ms 1816 KB Output is correct
18 Correct 1 ms 1820 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 5472 KB Output is correct
2 Correct 19 ms 5640 KB Output is correct
3 Correct 18 ms 5484 KB Output is correct
4 Correct 11 ms 3556 KB Output is correct
5 Correct 11 ms 4508 KB Output is correct
6 Correct 11 ms 4056 KB Output is correct
7 Correct 11 ms 4120 KB Output is correct
8 Correct 11 ms 4564 KB Output is correct
9 Correct 11 ms 4568 KB Output is correct
10 Correct 10 ms 3556 KB Output is correct
11 Correct 11 ms 3544 KB Output is correct
12 Correct 11 ms 3484 KB Output is correct
13 Correct 9 ms 3536 KB Output is correct
14 Correct 11 ms 3544 KB Output is correct
15 Correct 11 ms 4192 KB Output is correct
16 Correct 10 ms 4152 KB Output is correct
17 Correct 10 ms 3904 KB Output is correct
18 Correct 11 ms 3896 KB Output is correct
19 Correct 11 ms 3904 KB Output is correct
20 Correct 7 ms 4672 KB Output is correct
21 Correct 9 ms 4664 KB Output is correct
22 Correct 11 ms 4160 KB Output is correct
23 Correct 10 ms 4668 KB Output is correct
24 Correct 11 ms 4412 KB Output is correct
25 Correct 11 ms 4412 KB Output is correct
26 Correct 11 ms 4672 KB Output is correct
27 Correct 11 ms 4672 KB Output is correct
28 Correct 11 ms 4660 KB Output is correct
29 Correct 10 ms 4128 KB Output is correct
30 Correct 14 ms 4484 KB Output is correct
31 Correct 1 ms 1824 KB Output is correct
32 Correct 1 ms 1812 KB Output is correct
33 Correct 1 ms 1820 KB Output is correct
34 Correct 1 ms 1816 KB Output is correct
35 Correct 1 ms 1824 KB Output is correct
36 Correct 2 ms 1812 KB Output is correct
37 Correct 1 ms 1820 KB Output is correct
38 Correct 1 ms 1820 KB Output is correct
39 Correct 1 ms 1820 KB Output is correct
40 Correct 2 ms 1820 KB Output is correct
41 Correct 1 ms 1808 KB Output is correct
42 Correct 1 ms 1824 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1820 KB Output is correct
2 Correct 1 ms 1804 KB Output is correct
3 Correct 1 ms 2060 KB Output is correct
4 Correct 2 ms 2432 KB Output is correct
5 Correct 2 ms 2360 KB Output is correct
6 Correct 2 ms 2356 KB Output is correct
7 Correct 2 ms 2348 KB Output is correct
8 Correct 2 ms 2360 KB Output is correct
9 Correct 9 ms 5564 KB Output is correct
10 Correct 9 ms 5344 KB Output is correct
11 Correct 8 ms 5352 KB Output is correct
12 Correct 2 ms 1808 KB Output is correct
13 Correct 2 ms 1812 KB Output is correct
14 Correct 1 ms 1808 KB Output is correct
15 Correct 1 ms 1932 KB Output is correct

Subtask #4
52.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 5472 KB Output is correct
2 Correct 17 ms 5480 KB Output is correct
3 Correct 18 ms 5472 KB Output is correct
4 Correct 12 ms 3804 KB Output is correct
5 Partially correct 11 ms 5084 KB Partially correct
6 Partially correct 11 ms 4568 KB Partially correct
7 Correct 11 ms 4572 KB Output is correct
8 Correct 11 ms 4092 KB Output is correct
9 Correct 12 ms 4072 KB Output is correct
10 Correct 13 ms 3544 KB Output is correct
11 Correct 10 ms 3548 KB Output is correct
12 Correct 9 ms 3524 KB Output is correct
13 Partially correct 10 ms 3528 KB Partially correct
14 Partially correct 9 ms 3576 KB Partially correct
15 Correct 11 ms 4152 KB Output is correct
16 Correct 11 ms 4408 KB Output is correct
17 Correct 10 ms 3876 KB Output is correct
18 Partially correct 12 ms 3892 KB Partially correct
19 Partially correct 11 ms 3896 KB Partially correct
20 Correct 8 ms 4664 KB Output is correct
21 Correct 9 ms 4676 KB Output is correct
22 Correct 11 ms 4416 KB Output is correct
23 Correct 11 ms 4660 KB Output is correct
24 Correct 11 ms 4408 KB Output is correct
25 Correct 12 ms 4672 KB Output is correct
26 Correct 11 ms 4408 KB Output is correct
27 Correct 11 ms 4668 KB Output is correct
28 Correct 11 ms 4164 KB Output is correct
29 Correct 11 ms 4320 KB Output is correct
30 Correct 11 ms 4140 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 5264 KB Output is correct
2 Correct 20 ms 5224 KB Output is correct
3 Correct 22 ms 5384 KB Output is correct
4 Correct 11 ms 3680 KB Output is correct
5 Incorrect 13 ms 5348 KB Output isn't correct
6 Halted 0 ms 0 KB -