Submission #51429

# Submission time Handle Problem Language Result Execution time Memory
51429 2018-06-18T02:00:37 Z shoemakerjo Amusement Park (JOI17_amusement_park) C++14
73 / 100
40 ms 9512 KB
#include <bits/stdc++.h>
#include "Joi.h"
using namespace std;
// #define LOCAL
#define maxn 10010
#define adj SPENCER_COMPTON
#define n spence
#define m king_of_hottub
#define par king_of_sice
#define label king_of_ditch
#define seen double_desk
#define desired guuuuu
#define dep blahblahblahblah
#define maxd guuuuuuuuuuuu
#define dfs guuu
#define findset gkadsflk
#define unionset dsflkasdh
#define gobig king_of_tinder
#define preorder ihatethis
#define postorder nocompile
#define dfs2 adsklf
#define gosmall PATEL

vector<vector<int>> adj(maxn);
int n;
int m;
int par[maxn];
int dep[maxn];
int label[maxn]; //which bit i correspond to
int seen = 0; //we can just  use seen for making desired and labeling it
bool desired[maxn];
long long x2;

int maxd = 0;

void dfs(int u, int p) {
	dep[u] = p == - 1 ? 1 : dep[p]+1;
	maxd = max(maxd, dep[u]);
	for (int v : adj[u]) {
		if (v == p) continue;
		dfs(v, u);

	}
}

int findset(int u) {
	if (par[u] == u) return u;
	return par[u] = findset(par[u]);
}

void unionset(int a, int b) {
	a = findset(a);
	b = findset(b);
	par[a] = b;
}

void gobig() {
	for (int i = 1; i <= n; i++) {
		if (dep[i] % 60 != 0) 
			label[i] = dep[i] % 60; //easy way to do it
		else label[i] = 60;
	}
	//this is all we need
}

void preorder(int u, int p) {
	desired[u] = true;
	seen++;

	for (int v : adj[u]) {
		if (seen == 60 || v == p) continue;
		preorder(v, u);
	}
}

void postorder(int u, int p) {
	for (int v : adj[u]) {
		if (v == p) continue;
		if (desired[v]) {
			postorder(v, u);
		}
	}
	label[u] = ++seen;
}

void dfs2(int u, int p, int dl) {
	if (!desired[u]) {
		label[u] = dep[u] = dl;
	}
	else dl = dep[u];
	for (int v : adj[u]) {
		if (v == p) continue;
		dfs2(v, u, dl);
	}
}

void gosmall() {
	seen = 0;
	preorder(1, -1);
	seen = 0;
	postorder(1, -1);
	dfs2(1,  -1, 0);
}

#ifdef LOCAL
	void MessageBoard(int attr, int msg) {

	}
#endif

void constructLabels() {
	for (int i = 1; i <= n; i++) {
		if (x2 & (1LL << (label[i]-1))) {
			MessageBoard(i-1, 1);
		}
		else MessageBoard(i-1, 0);
	}
}


void Joi(int N, int M, int A[], int B[], long long X, int T) {
	n = N;
	m = M;
	x2 = X;
	for (int i = 1; i <= n; i++) {
		par[i] = i;
	}
	for (int i = 0; i < m; i++) {
		int v1 = A[i]+1;
		int v2 = B[i]+1;
		if (findset(v1) != findset(v2)) {
			unionset(v1, v2);
			adj[v1].push_back(v2);
			adj[v2].push_back(v1);
		}
	}
	dfs(1, -1); //set up the trees
	if (maxd >= 60) {
		gobig();
	}
	else {
		gosmall();
		// assert(false);
	}
	constructLabels(); //specific to Joi version
}

#ifdef LOCAL
int main() {

}
#endif

//run the same labelling scheme
//label each index according to which bit it stores
//difference is that the first guy sets the corresponding bit,
//    the second guy has to figure it out.
#include <bits/stdc++.h>
#include "Ioi.h"
using namespace std;
#define ll long long
// #define LOCAL
const  int maxni = 100010;
int bit[62];
vector<vector<int>> adj(maxni);
int n;
int m;
int par[maxni];
int dep[maxni];
int label[maxni]; //which bit i correspond to
int seen = 0;
bool alseen[maxni]; //already seen this label
int pc[maxni];
int furthestdown[maxni];
int bestnode[maxni];
bool desired[maxni];
int maxd = 0;
int loc; //initial location
int val; //value at attraction p


#ifdef LOCAL
	int Move(int val) {
		return 1;
	}
#endif

	
int move(int loc) {
	// cout << "going to " << loc <<  endl;
	return Move(loc-1);
}

void dfs(int u, int p) {
	// cout << "dfs: : " << u << " " << p << endl;
	dep[u] = p == - 1 ? 1 : dep[p]+1;
	pc[u] = p;
	maxd = max(maxd, dep[u]);
	furthestdown[u] = dep[u];
	bestnode[u] = 0;
	for (int v : adj[u]) {
		if (v == p) continue;
		dfs(v, u);
		if (furthestdown[v] > furthestdown[u]) {
			furthestdown[u] = furthestdown[v];
			bestnode[u] = v;
		}
	}
}

int findset(int u) {
	if (par[u] == u) return u;
	return par[u] = findset(par[u]);
}

void unionset(int a, int b) {
	a = findset(a);
	b = findset(b);
	par[a] = b;
}

void gobig() {
	for (int i = 1; i <= n; i++) {
		if (dep[i] % 60 != 0) 
			label[i] = dep[i] % 60; //easy way to do it
		else label[i] = 60;
	}
	//this is all we need
}

void preorder(int u, int p) {
	// cout << u << " is desired " << endl;
	desired[u] = true;
	seen++;

	for (int v : adj[u]) {
		if (seen == 60 || v == p) continue;
		preorder(v, u);
	}
}

void postorder(int u, int p) {
	for (int v : adj[u]) {
		if (v == p) continue;
		if (desired[v]) {
			postorder(v, u);
		}
	}
	label[u] = ++seen;
}

void dfs2(int u, int p, int dl) {
	if (!desired[u]) {
		label[u] = dep[u] = dl;
	}
	else dl = dep[u];
	for (int v : adj[u]) {
		if (v == p) continue;
		dfs2(v, u, dl);
	}
}

void gosmall() {
	seen = 0;
	preorder(1, -1);
	seen = 0;
	postorder(1, -1);
	dfs2(1,  -1, 0);
}


void ansbig() {
	// cout << "DOING BIG" << endl;
	//this is easy
	//remember loc is the initial place
	bit[label[loc]] = val;
	int quer = 0;
	while (loc != 1 && quer < 61) {
		// cout << "cur loc " << loc << " : " << pc[loc] << endl;
		loc = pc[loc];
		bit[label[loc]] = move(loc);
		quer++;
	}
	if (quer < 61) {
		//keep going down while I can
		while (dep[loc] < 60) {
			loc = bestnode[loc];
			bit[label[loc]] = move(loc);
		}
	}

}



void anssmall() {
	// cout << "DOING SMALL" << endl;
	bit[label[loc]] = val;
	if (!desired[loc]) alseen[label[loc]] = true;
	while (!desired[loc]) {
		// cout << "trying to go up from " << loc << " : " << pc[loc] << endl;
		loc = pc[loc];
		bit[label[loc]] = move(loc);
		if (!desired[loc]) alseen[label[loc]] = true;
	}
	while (true) {
		// cout << "at " << loc << " with label " << label[loc] << endl;
		if (alseen[loc]) {
			loc = pc[loc];
			if (loc == -1) break;
			// cout << "went to " << loc << " and it had label " << label[loc] << endl;
			bit[label[loc]] = move(loc);
		}
		else {
			bool fin = false;
			for (int v : adj[loc]) {
				if (v == pc[loc]) continue;
				if (desired[v] && !alseen[v]) {
					loc = v;
					bit[label[loc]] = move(loc);
					fin = true;
					// alseen[v] = true;
					break;
				}
				// alseen[loc] = true;
			}
			if (!fin) alseen[loc] = true;
		}
	}
}

ll constructans() {
	ll ans = 0LL;
	for (int i = 60; i >= 1; i--) {
		ans = (ans*2LL) + bit[i];
	}
	// cout << "ANS: " << ans << endl;
	return ans;
}

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
	//run stuff and then  do connstruct ans
	n = N;
	m = M;
	fill(bit, bit+62, 0);
	loc = P;
	loc++;
	val = V;
	for (int i = 1; i <= n; i++) {
		par[i] = i;
	}
	for (int i = 0; i < m; i++) {
		++A[i];
		++B[i];
		// cout << i << ":   looking at " << A[i] << " " << B[i] << endl;
		if (findset(A[i]) != findset(B[i])) {
			// cout << "unioned " << A[i] << " to " << B[i] << endl;
			// cout << "UNIONING A SET" << endl;
			unionset(A[i], B[i]);
			adj[A[i]].push_back(B[i]);
			adj[B[i]].push_back(A[i]);
		}
	}
	dfs(1, -1); //set up the trees
	if (maxd >= 60) {
		gobig();
		ansbig();
	}
	else {
		gosmall();
		// cout << "asddhfasldkhhldghk;gsk" << endl;
		anssmall();
	}

	return constructans();
}

#ifdef LOCAL

int main() {

}

#endif
# Verdict Execution time Memory Grader output
1 Correct 7 ms 3484 KB Output is correct
2 Correct 6 ms 6016 KB Output is correct
3 Correct 7 ms 6328 KB Output is correct
4 Correct 6 ms 6328 KB Output is correct
5 Correct 7 ms 6328 KB Output is correct
6 Correct 6 ms 6328 KB Output is correct
7 Correct 7 ms 6328 KB Output is correct
8 Correct 6 ms 6328 KB Output is correct
9 Incorrect 6 ms 6328 KB Wrong Answer [7]
10 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 33 ms 7424 KB Output is correct
2 Correct 40 ms 8520 KB Output is correct
3 Correct 33 ms 8520 KB Output is correct
4 Correct 27 ms 8520 KB Output is correct
5 Correct 30 ms 8520 KB Output is correct
6 Correct 24 ms 8520 KB Output is correct
7 Correct 22 ms 8520 KB Output is correct
8 Correct 23 ms 8536 KB Output is correct
9 Correct 23 ms 8568 KB Output is correct
10 Correct 30 ms 8584 KB Output is correct
11 Correct 20 ms 8584 KB Output is correct
12 Correct 20 ms 8584 KB Output is correct
13 Correct 20 ms 8584 KB Output is correct
14 Correct 22 ms 8584 KB Output is correct
15 Correct 26 ms 8584 KB Output is correct
16 Correct 23 ms 8584 KB Output is correct
17 Correct 25 ms 8584 KB Output is correct
18 Correct 20 ms 8584 KB Output is correct
19 Correct 22 ms 8584 KB Output is correct
20 Correct 20 ms 8672 KB Output is correct
21 Correct 19 ms 8772 KB Output is correct
22 Correct 25 ms 8784 KB Output is correct
23 Correct 20 ms 8784 KB Output is correct
24 Correct 22 ms 8784 KB Output is correct
25 Correct 25 ms 8784 KB Output is correct
26 Correct 20 ms 8784 KB Output is correct
27 Correct 20 ms 8784 KB Output is correct
28 Correct 20 ms 8784 KB Output is correct
29 Correct 20 ms 8784 KB Output is correct
30 Correct 27 ms 8784 KB Output is correct
31 Correct 6 ms 8784 KB Output is correct
32 Correct 7 ms 8784 KB Output is correct
33 Correct 6 ms 8784 KB Output is correct
34 Correct 6 ms 8784 KB Output is correct
35 Correct 7 ms 8784 KB Output is correct
36 Correct 6 ms 8784 KB Output is correct
37 Correct 7 ms 8784 KB Output is correct
38 Correct 6 ms 8784 KB Output is correct
39 Correct 6 ms 8784 KB Output is correct
40 Correct 6 ms 8784 KB Output is correct
41 Correct 8 ms 8784 KB Output is correct
42 Correct 7 ms 8784 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 8784 KB Output is correct
2 Correct 6 ms 8784 KB Output is correct
3 Correct 6 ms 8784 KB Output is correct
4 Correct 8 ms 8784 KB Output is correct
5 Correct 8 ms 8784 KB Output is correct
6 Correct 8 ms 8784 KB Output is correct
7 Correct 9 ms 8784 KB Output is correct
8 Correct 8 ms 8784 KB Output is correct
9 Correct 22 ms 9056 KB Output is correct
10 Correct 20 ms 9420 KB Output is correct
11 Correct 17 ms 9512 KB Output is correct
12 Correct 8 ms 9512 KB Output is correct
13 Correct 6 ms 9512 KB Output is correct
14 Correct 5 ms 9512 KB Output is correct
15 Correct 7 ms 9512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 9512 KB Output is correct
2 Correct 31 ms 9512 KB Output is correct
3 Correct 31 ms 9512 KB Output is correct
4 Correct 22 ms 9512 KB Output is correct
5 Correct 24 ms 9512 KB Output is correct
6 Correct 22 ms 9512 KB Output is correct
7 Correct 25 ms 9512 KB Output is correct
8 Correct 22 ms 9512 KB Output is correct
9 Correct 28 ms 9512 KB Output is correct
10 Correct 19 ms 9512 KB Output is correct
11 Correct 20 ms 9512 KB Output is correct
12 Correct 20 ms 9512 KB Output is correct
13 Partially correct 19 ms 9512 KB Partially correct
14 Partially correct 20 ms 9512 KB Partially correct
15 Correct 22 ms 9512 KB Output is correct
16 Correct 22 ms 9512 KB Output is correct
17 Partially correct 22 ms 9512 KB Partially correct
18 Partially correct 25 ms 9512 KB Partially correct
19 Partially correct 26 ms 9512 KB Partially correct
20 Correct 18 ms 9512 KB Output is correct
21 Correct 18 ms 9512 KB Output is correct
22 Correct 20 ms 9512 KB Output is correct
23 Correct 20 ms 9512 KB Output is correct
24 Correct 23 ms 9512 KB Output is correct
25 Correct 25 ms 9512 KB Output is correct
26 Correct 20 ms 9512 KB Output is correct
27 Correct 23 ms 9512 KB Output is correct
28 Correct 22 ms 9512 KB Output is correct
29 Correct 20 ms 9512 KB Output is correct
30 Correct 22 ms 9512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 9512 KB Output is correct
2 Correct 33 ms 9512 KB Output is correct
3 Correct 31 ms 9512 KB Output is correct
4 Correct 20 ms 9512 KB Output is correct
5 Correct 27 ms 9512 KB Output is correct
6 Correct 28 ms 9512 KB Output is correct
7 Correct 22 ms 9512 KB Output is correct
8 Correct 20 ms 9512 KB Output is correct
9 Correct 22 ms 9512 KB Output is correct
10 Correct 23 ms 9512 KB Output is correct
11 Correct 19 ms 9512 KB Output is correct
12 Incorrect 20 ms 9512 KB Output isn't correct
13 Halted 0 ms 0 KB -