oj.uz

Submission #69664

# Submission time Handle Problem Language Result Execution time Memory
69664 2018-08-21T11:13:23 Z zadrga Amusement Park (JOI17_amusement_park) C++14
100 / 100
 50 ms 13344 KB 
// 13.10 + 100 min

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

using namespace std;

#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (2e9)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxn 10111

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

vector<int> adj[maxn], tree[maxn], one, two, v;
int col[maxn], par[maxn], dep[maxn], max_dep, max_ind, cnt;
bool used[maxn];

void DFS(int x){
	used[x] = 1;
	if(max_dep < dep[x]){
		max_dep = dep[x];
		max_ind = x;
	}

	for(int u : adj[x]){
		if(!used[u]){
			tree[x].pb(u);
			dep[u] = dep[x] + 1;
			par[u] = x;
			DFS(u);
		}
	}
}

void colorBig(int x, ll num){
	int pos = dep[x] % 60;
	int val = (num >> pos) & 1;
	col[x] = val;

	for(int u : tree[x])
		colorBig(u, num);
}

void colorSmall(int x){
	v.pb(x);

	int last = -1;
	for(int u : tree[x]){
		if(used[u]){
			last = u;
			continue;
		}

		if(cnt <= 0)
			continue;
		
		cnt--;
		colorSmall(u);
	}

	if(last != -1)
		colorSmall(last);
}

void Joi(int N, int M, int A[], int B[], long long X, int T){
//	cout << "ans: " << X << endl;
	memset(col, 0, sizeof(col));
	for(int i = 0; i < M; i++){
		adj[A[i]].pb(B[i]);
		adj[B[i]].pb(A[i]);
	}

	par[0] = -1;
	dep[0] = 0;
	max_dep = -1;
	DFS(0);

	if(max_dep >= 59)
		colorBig(0, X);
	else{
		memset(used, 0, sizeof(used));
		int cur = max_ind;
		while(cur != -1){
			one.pb(cur);
			used[cur] = 1;
 			cur = par[cur];
		}

		cnt = 60 - one.size();
		colorSmall(0);

		sort(v.begin(), v.end());

		for(int i = 0; i < v.size(); i++)
			col[v[i]] = (X >> i) & 1;
	}

	for(int i = 0; i < N; i++)
		MessageBoard(i, col[i]);
}
#include "Ioi.h"
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF (2e9)
#define MOD (1000 * 1000 * 1000 + 7)
#define maxn 10011

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


vector<int> adj1[maxn], tree1[maxn], one1, two1, v1;
int col1[maxn], par1[maxn], dep1[maxn], max_dep1, max_ind1, cnt1;
bool used1[maxn];

void DFS1(int x){
	used1[x] = 1;
	if(max_dep1 < dep1[x]){
		max_dep1 = dep1[x];
		max_ind1 = x;
	}

	for(int u : adj1[x]){
		if(!used1[u]){
			tree1[x].pb(u);
			dep1[u] = dep1[x] + 1;
			par1[u] = x;
			DFS1(u);
		}
	}
}

void getSmall(int x){
	v1.pb(x);

	int last = -1;
	for(int u : tree1[x]){
		if(used1[u]){
			last = u;
			continue;
		}

		if(cnt1 <= 0)
			continue;

		cnt1--;
		col1[u] = Move(u);
		getSmall(u);
		col1[x] = Move(x);
	}

	if(last != -1){
		col1[last] = Move(last);
		getSmall(last);
	}
}


long long Ioi(int N, int M, int A[], int B[], int P, int V, int T){
	ll ans = 0;
	memset(col1, 0, sizeof(col1));
	for(int i = 0; i < M; i++){
		adj1[A[i]].pb(B[i]);
		adj1[B[i]].pb(A[i]);
	}

	par1[0] = -1;
	dep1[0] = 0;
	max_dep1 = -1;
	DFS1(0);

	memset(used1, 0, sizeof(used1));
	int cur = max_ind1;
	while(cur != -1){
		one1.pb(cur);
		used1[cur] = 1;
		cur = par1[cur];
	}

	reverse(one1.begin(), one1.end());

	if(max_dep1 >= 59){
		if(dep1[P] >= 59){	// just go up
	//		cout << "opt1" << endl;
			int cur = P;
			int pos = dep1[cur] % 60;
			int val = V;

			ans += (1LL << pos) * val;
			for(int i = 1; i < 60; i++){
				cur = par1[cur];
				val = Move(cur);
				pos = dep1[cur] % 60;
				ans += (1LL << pos) * val;
			}
		}
		else{
		//	cout << "opt2" << endl;
			cur = par1[P];	// go to 1 and then down
			while(cur != -1){
				V = Move(cur);
			//	cout << V << endl;
				cur = par1[cur];
			}

			int cur = 0;
			int pos = dep1[cur] % 60;
			int val = V;
			ans += (1LL << pos) * val;
			for(int i = 1; i < 60; i++){
				cur = one1[i];
				val = Move(cur);
				pos = dep1[cur] % 60;
				ans += (1LL << pos) * val;
			}
		}
	}
	else{
//		cout << "opt3" << endl;
		int cur = par1[P];	// Move to 1 and then do DFS traversal
		while(cur != -1){
			V = Move(cur);
			cur = par1[cur];
		}

		cnt1 = 60 - one1.size();
		col1[0] = V; 
		getSmall(0);

		sort(v1.begin(), v1.end());
		for(int i = 0; i < v1.size(); i++)
			ans += col1[v1[i]] * (1LL << i);
	}
//	cout << "my ans: " << ans << endl;
	return ans;
}

Compilation message

Joi.cpp: In function 'void Joi(int, int, int*, int*, long long int, int)':
Joi.cpp:100:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < v.size(); i++)
                  ~~^~~~~~~~~~

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:138:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < v1.size(); i++)
                  ~~^~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1892 KB Output is correct
2 Correct 5 ms 2260 KB Output is correct
3 Correct 7 ms 2488 KB Output is correct
4 Correct 5 ms 2488 KB Output is correct
5 Correct 5 ms 2552 KB Output is correct
6 Correct 5 ms 2572 KB Output is correct
7 Correct 6 ms 2592 KB Output is correct
8 Correct 6 ms 2604 KB Output is correct
9 Correct 6 ms 2616 KB Output is correct
10 Correct 4 ms 2640 KB Output is correct
11 Correct 9 ms 2920 KB Output is correct
12 Correct 5 ms 2920 KB Output is correct
13 Correct 5 ms 2920 KB Output is correct
14 Correct 6 ms 2920 KB Output is correct
15 Correct 5 ms 2920 KB Output is correct
16 Correct 6 ms 2920 KB Output is correct
17 Correct 5 ms 2920 KB Output is correct
18 Correct 4 ms 2920 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 6340 KB Output is correct
2 Correct 34 ms 6408 KB Output is correct
3 Correct 34 ms 6408 KB Output is correct
4 Correct 20 ms 6408 KB Output is correct
5 Correct 23 ms 6408 KB Output is correct
6 Correct 24 ms 6408 KB Output is correct
7 Correct 26 ms 6408 KB Output is correct
8 Correct 27 ms 6408 KB Output is correct
9 Correct 23 ms 6408 KB Output is correct
10 Correct 23 ms 6408 KB Output is correct
11 Correct 20 ms 6408 KB Output is correct
12 Correct 25 ms 6408 KB Output is correct
13 Correct 25 ms 6408 KB Output is correct
14 Correct 25 ms 6408 KB Output is correct
15 Correct 26 ms 6408 KB Output is correct
16 Correct 27 ms 6408 KB Output is correct
17 Correct 40 ms 6408 KB Output is correct
18 Correct 25 ms 6408 KB Output is correct
19 Correct 38 ms 6408 KB Output is correct
20 Correct 22 ms 6408 KB Output is correct
21 Correct 20 ms 6408 KB Output is correct
22 Correct 22 ms 6408 KB Output is correct
23 Correct 31 ms 6408 KB Output is correct
24 Correct 26 ms 6408 KB Output is correct
25 Correct 26 ms 6408 KB Output is correct
26 Correct 24 ms 6408 KB Output is correct
27 Correct 22 ms 6408 KB Output is correct
28 Correct 23 ms 6496 KB Output is correct
29 Correct 20 ms 6584 KB Output is correct
30 Correct 25 ms 6584 KB Output is correct
31 Correct 5 ms 6584 KB Output is correct
32 Correct 6 ms 6584 KB Output is correct
33 Correct 6 ms 6584 KB Output is correct
34 Correct 5 ms 6584 KB Output is correct
35 Correct 7 ms 6584 KB Output is correct
36 Correct 4 ms 6584 KB Output is correct
37 Correct 5 ms 6584 KB Output is correct
38 Correct 5 ms 6584 KB Output is correct
39 Correct 4 ms 6584 KB Output is correct
40 Correct 6 ms 6584 KB Output is correct
41 Correct 6 ms 6584 KB Output is correct
42 Correct 6 ms 6584 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6584 KB Output is correct
2 Correct 6 ms 6584 KB Output is correct
3 Correct 7 ms 6584 KB Output is correct
4 Correct 9 ms 6584 KB Output is correct
5 Correct 10 ms 6584 KB Output is correct
6 Correct 8 ms 6584 KB Output is correct
7 Correct 11 ms 6584 KB Output is correct
8 Correct 9 ms 6584 KB Output is correct
9 Correct 20 ms 8432 KB Output is correct
10 Correct 20 ms 8604 KB Output is correct
11 Correct 23 ms 8728 KB Output is correct
12 Correct 7 ms 8760 KB Output is correct
13 Correct 8 ms 8760 KB Output is correct
14 Correct 7 ms 8760 KB Output is correct
15 Correct 6 ms 8760 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 8780 KB Output is correct
2 Correct 39 ms 8800 KB Output is correct
3 Correct 46 ms 8800 KB Output is correct
4 Correct 24 ms 8800 KB Output is correct
5 Correct 27 ms 8800 KB Output is correct
6 Correct 30 ms 8800 KB Output is correct
7 Correct 33 ms 8800 KB Output is correct
8 Correct 25 ms 8800 KB Output is correct
9 Correct 26 ms 8800 KB Output is correct
10 Correct 22 ms 8800 KB Output is correct
11 Correct 24 ms 8800 KB Output is correct
12 Correct 22 ms 8800 KB Output is correct
13 Correct 25 ms 8800 KB Output is correct
14 Correct 26 ms 8800 KB Output is correct
15 Correct 32 ms 9136 KB Output is correct
16 Correct 27 ms 9136 KB Output is correct
17 Correct 32 ms 9180 KB Output is correct
18 Correct 27 ms 9352 KB Output is correct
19 Correct 23 ms 9544 KB Output is correct
20 Correct 19 ms 10536 KB Output is correct
21 Correct 20 ms 10576 KB Output is correct
22 Correct 25 ms 10608 KB Output is correct
23 Correct 30 ms 10704 KB Output is correct
24 Correct 23 ms 11008 KB Output is correct
25 Correct 29 ms 11152 KB Output is correct
26 Correct 30 ms 11280 KB Output is correct
27 Correct 28 ms 11852 KB Output is correct
28 Correct 31 ms 12008 KB Output is correct
29 Correct 26 ms 12008 KB Output is correct
30 Correct 28 ms 12024 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 13212 KB Output is correct
2 Correct 50 ms 13240 KB Output is correct
3 Correct 38 ms 13292 KB Output is correct
4 Correct 30 ms 13344 KB Output is correct
5 Correct 23 ms 13344 KB Output is correct
6 Correct 26 ms 13344 KB Output is correct
7 Correct 27 ms 13344 KB Output is correct
8 Correct 26 ms 13344 KB Output is correct
9 Correct 27 ms 13344 KB Output is correct
10 Correct 23 ms 13344 KB Output is correct
11 Correct 20 ms 13344 KB Output is correct
12 Correct 24 ms 13344 KB Output is correct
13 Correct 22 ms 13344 KB Output is correct
14 Correct 22 ms 13344 KB Output is correct
15 Correct 23 ms 13344 KB Output is correct
16 Correct 26 ms 13344 KB Output is correct
17 Correct 23 ms 13344 KB Output is correct
18 Correct 24 ms 13344 KB Output is correct
19 Correct 24 ms 13344 KB Output is correct
20 Correct 27 ms 13344 KB Output is correct
21 Correct 18 ms 13344 KB Output is correct
22 Correct 24 ms 13344 KB Output is correct
23 Correct 30 ms 13344 KB Output is correct
24 Correct 24 ms 13344 KB Output is correct
25 Correct 25 ms 13344 KB Output is correct
26 Correct 24 ms 13344 KB Output is correct
27 Correct 24 ms 13344 KB Output is correct
28 Correct 28 ms 13344 KB Output is correct
29 Correct 23 ms 13344 KB Output is correct
30 Correct 27 ms 13344 KB Output is correct
31 Correct 7 ms 13344 KB Output is correct
32 Correct 8 ms 13344 KB Output is correct
33 Correct 7 ms 13344 KB Output is correct
34 Correct 7 ms 13344 KB Output is correct
35 Correct 7 ms 13344 KB Output is correct
36 Correct 7 ms 13344 KB Output is correct
37 Correct 7 ms 13344 KB Output is correct
38 Correct 6 ms 13344 KB Output is correct
39 Correct 8 ms 13344 KB Output is correct
40 Correct 5 ms 13344 KB Output is correct
41 Correct 6 ms 13344 KB Output is correct
42 Correct 5 ms 13344 KB Output is correct