oj.uz

Submission #39285

# Submission time Handle Problem Language Result Execution time Memory
39285 2018-01-10T15:55:10 Z UncleGrandpa925 Amusement Park (JOI17_amusement_park) C++14
81 / 100
 42 ms 6820 KB 
#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;
#define sp ' '
#define endl '\n'
#define fi first
#define se second
#define mp make_pair
#define bit(x,y) ((x>>(y))&1LL)
#define NMAX 10000
#define MMAX 20000
#define MOVEMAX 20000

struct dsu {
	int par[NMAX + 5];
	dsu() {
		for (int i = 0; i < NMAX; i++) par[i] = i;
	}
	int find(int x) {
		if (par[x] == x) return x;
		return par[x] = find(par[x]);
	}
	void uni(int x, int y) {
		x = find(x); y = find(y);
		if (x != y) par[x] = y;
	}
} d;
int Time = 0; int sta[NMAX + 5], par[NMAX + 5];
vector<vector<int> > a(NMAX + 5);
void dfs(int u, int p) {
	sta[u] = ++Time;
	for (auto v : a[u]) {
		if (v == p) continue;
		par[v] = u;
		dfs(v, u);
	}
}
void makeTree(int N, int M, int A[], int B[]) {
	for (int i = 0; i < M; i++) {
		if (d.find(A[i]) != d.find(B[i])) {
			d.uni(A[i], B[i]);
			a[A[i]].push_back(B[i]);
			a[B[i]].push_back(A[i]);
		}
	}
	dfs(0, 0);
}
// end of the common part
void Joi(int N, int M, int A[], int B[], long long X, int T) {
	makeTree(N, M, A, B);
	for (int i = 0; i < N; i++)
		MessageBoard(i, bit(X, sta[i] % 60));
}

#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;
#define sp ' '
#define endl '\n'
#define fi first
#define se second
#define mp make_pair
#define bit(x,y) ((x>>(y))&1LL)
#define NMAX 10000
#define MMAX 20000
#define MOVEMAX 20000

struct dsu {
	int par[NMAX + 5];
	dsu() {
		for (int i = 0; i < NMAX; i++) par[i] = i;
	}
	int find(int x) {
		if (par[x] == x) return x;
		return par[x] = find(par[x]);
	}
	void uni(int x, int y) {
		x = find(x); y = find(y);
		if (x != y) par[x] = y;
	}
} d;
int Time = 0; int sta[NMAX + 5], par[NMAX + 5];
vector<vector<int> > a(NMAX + 5);
int mark[60]; bool visited[NMAX + 5]; int rem;
void dfs(int u, int p) {
	sta[u] = ++Time;
	for (auto v : a[u]) {
		if (v == p) continue;
		par[v] = u;
		dfs(v, u);
	}
}
void makeTree(int N, int M, int A[], int B[]) {
	for (int i = 0; i < M; i++) {
		if (d.find(A[i]) != d.find(B[i])) {
			d.uni(A[i], B[i]);
			a[A[i]].push_back(B[i]);
			a[B[i]].push_back(A[i]);
		}
	}
	dfs(0, 0);
}
int Lab(int u) {
	return sta[u] % 60;
}
void dfs(int u, int root, int Z, int from) {
	if (mark[Lab(u)] == -1) {
		mark[Lab(u)] = Z; rem--;
		if (rem == 0) throw 1;
	}
	visited[u] = true;
	if (u == root) {
		int p = 0;
		for (int i = 0; i < a[u].size(); i++) {
			int v = a[u][i];
			if (v == from) {
				p = i; break;
			}
		}
		for (int i = p; i < a[u].size(); i++) {
			int v = a[u][i];
			if (v == par[u] || visited[v]) continue;
			dfs(v, root, Move(v), from);
		}
		for (int i = p; i >= 0; i--) {
			int v = a[u][i];
			if (v == par[u] || visited[v]) continue;
			dfs(v, root, Move(v), from);
		}
	}
	else {
		for (int i = 0; i < a[u].size(); i++) {
			int v = a[u][i];
			if (v == par[u] || visited[v]) continue;
			dfs(v, root, Move(v), from);
		}
	}
	if (u != root) {
		Move(par[u]);
	}
	else {
		dfs(par[u], par[u], Move(par[u]), u);
	}
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
	long long ret = 0;
	makeTree(N, M, A, B);
	memset(mark, -1, sizeof(mark)); rem = 60;
	try {
		dfs(P, P, V, P);
	}
	catch (...) {
		for (int i = 0; i < 60; i++) {
			if (mark[i] == 1) ret += (1LL << i);
		}
	}
	return ret;
}

Compilation message

Ioi.cpp: In function 'void dfs(int, int, int, int)':
Ioi.cpp:60:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < a[u].size(); i++) {
                     ^
Ioi.cpp:66:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = p; i < a[u].size(); i++) {
                     ^
Ioi.cpp:78:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < a[u].size(); i++) {
                     ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5608 KB Output is correct
2 Correct 3 ms 5608 KB Output is correct
3 Correct 3 ms 5612 KB Output is correct
4 Correct 0 ms 5608 KB Output is correct
5 Correct 3 ms 5608 KB Output is correct
6 Correct 3 ms 5608 KB Output is correct
7 Correct 3 ms 5612 KB Output is correct
8 Correct 0 ms 5616 KB Output is correct
9 Correct 3 ms 5612 KB Output is correct
10 Correct 3 ms 5608 KB Output is correct
11 Correct 6 ms 5608 KB Output is correct
12 Correct 0 ms 5608 KB Output is correct
13 Correct 0 ms 5612 KB Output is correct
14 Correct 0 ms 5612 KB Output is correct
15 Correct 3 ms 5612 KB Output is correct
16 Correct 3 ms 5612 KB Output is correct
17 Correct 3 ms 5612 KB Output is correct
18 Correct 3 ms 5612 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 6256 KB Output is correct
2 Correct 26 ms 6284 KB Output is correct
3 Correct 28 ms 6284 KB Output is correct
4 Correct 18 ms 6256 KB Output is correct
5 Correct 15 ms 6324 KB Output is correct
6 Correct 18 ms 6292 KB Output is correct
7 Correct 18 ms 6332 KB Output is correct
8 Correct 18 ms 6372 KB Output is correct
9 Correct 15 ms 6380 KB Output is correct
10 Correct 18 ms 6384 KB Output is correct
11 Correct 15 ms 6384 KB Output is correct
12 Correct 9 ms 6152 KB Output is correct
13 Correct 15 ms 6152 KB Output is correct
14 Correct 22 ms 6136 KB Output is correct
15 Correct 22 ms 6284 KB Output is correct
16 Correct 18 ms 6256 KB Output is correct
17 Correct 22 ms 6256 KB Output is correct
18 Correct 15 ms 6256 KB Output is correct
19 Correct 12 ms 6256 KB Output is correct
20 Correct 6 ms 6372 KB Output is correct
21 Correct 12 ms 6352 KB Output is correct
22 Correct 9 ms 6148 KB Output is correct
23 Correct 18 ms 6268 KB Output is correct
24 Correct 22 ms 6172 KB Output is correct
25 Correct 18 ms 6228 KB Output is correct
26 Correct 12 ms 6272 KB Output is correct
27 Correct 15 ms 6276 KB Output is correct
28 Correct 19 ms 6296 KB Output is correct
29 Correct 12 ms 6228 KB Output is correct
30 Correct 42 ms 6188 KB Output is correct
31 Correct 3 ms 5608 KB Output is correct
32 Correct 3 ms 5608 KB Output is correct
33 Correct 3 ms 5616 KB Output is correct
34 Correct 0 ms 5608 KB Output is correct
35 Correct 0 ms 5608 KB Output is correct
36 Correct 3 ms 5608 KB Output is correct
37 Correct 3 ms 5608 KB Output is correct
38 Correct 3 ms 5608 KB Output is correct
39 Correct 3 ms 5608 KB Output is correct
40 Correct 3 ms 5608 KB Output is correct
41 Correct 0 ms 5608 KB Output is correct
42 Correct 0 ms 5608 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 5608 KB Output is correct
2 Correct 3 ms 5608 KB Output is correct
3 Correct 3 ms 5608 KB Output is correct
4 Correct 3 ms 5756 KB Output is correct
5 Correct 3 ms 5756 KB Output is correct
6 Correct 0 ms 5756 KB Output is correct
7 Correct 3 ms 5756 KB Output is correct
8 Correct 3 ms 5756 KB Output is correct
9 Correct 12 ms 6820 KB Output is correct
10 Correct 15 ms 6820 KB Output is correct
11 Correct 15 ms 6816 KB Output is correct
12 Correct 0 ms 5608 KB Output is correct
13 Correct 0 ms 5608 KB Output is correct
14 Correct 3 ms 5604 KB Output is correct
15 Correct 3 ms 5604 KB Output is correct

Subtask #4
53.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 6256 KB Output is correct
2 Partially correct 28 ms 6256 KB Partially correct
3 Correct 28 ms 6256 KB Output is correct
4 Correct 25 ms 6256 KB Output is correct
5 Correct 16 ms 6568 KB Output is correct
6 Correct 18 ms 6416 KB Output is correct
7 Correct 26 ms 6364 KB Output is correct
8 Correct 12 ms 6256 KB Output is correct
9 Correct 15 ms 6296 KB Output is correct
10 Correct 12 ms 6384 KB Output is correct
11 Correct 15 ms 6384 KB Output is correct
12 Correct 12 ms 6152 KB Output is correct
13 Correct 15 ms 6152 KB Output is correct
14 Correct 15 ms 6136 KB Output is correct
15 Correct 15 ms 6256 KB Output is correct
16 Correct 15 ms 6256 KB Output is correct
17 Correct 18 ms 6256 KB Output is correct
18 Correct 22 ms 6256 KB Output is correct
19 Correct 15 ms 6256 KB Output is correct
20 Correct 9 ms 6360 KB Output is correct
21 Correct 12 ms 6352 KB Output is correct
22 Correct 15 ms 6244 KB Output is correct
23 Correct 19 ms 6200 KB Output is correct
24 Correct 26 ms 6200 KB Output is correct
25 Correct 18 ms 6268 KB Output is correct
26 Correct 18 ms 6256 KB Output is correct
27 Correct 18 ms 6332 KB Output is correct
28 Correct 15 ms 6148 KB Output is correct
29 Correct 12 ms 6204 KB Output is correct
30 Correct 22 ms 6220 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 6256 KB Output is correct
2 Incorrect 28 ms 6256 KB Output isn't correct
3 Halted 0 ms 0 KB -