oj.uz

Submission #1003673

# Submission time Handle Problem Language Result Execution time Memory
1003673 2024-06-20T14:59:43 Z jamjanek Amusement Park (JOI17_amusement_park) C++14
100 / 100
 18 ms 3884 KB 
#include "Joi.h"
#include<bits/stdc++.h>
using namespace std;
int distJ[10010];
bool odwJ[10010];
int fatherJ[10010], ojciecJ[10010];
vector<int>grafJ[10010];
int findJ(int x){
	if(fatherJ[x]==x)return x;
	return fatherJ[x] = findJ(fatherJ[x]);
}
int preorder[10010], preorder2[10010];
int preitJ;
void dfs(int x, int o){
	preorder[x] = preitJ++;
	for(auto j: grafJ[x])
		if(j!=o)
			dfs(j, x);
}
void dfs2(int x, int o){
	preorder2[x] = preitJ++;
	for(auto j: grafJ[x])
		if(j!=o && preorder[j]<60)
			dfs2(j, x);
}
void Joi(int n, int m, int a[], int b[], long long x, int t) {
	//printf("Joi\n");
	//f&u zeby zrobic drzewo
	int i;
	for(i=0;i<n;i++)fatherJ[i] = i;
	for(i=0;i<m;i++){
		if(findJ(a[i])!=findJ(b[i])){
			grafJ[a[i]].push_back(b[i]), grafJ[b[i]].push_back(a[i]);
			fatherJ[fatherJ[a[i]]] = fatherJ[b[i]];
		}
	}

	queue<int>kolejka;
	kolejka.push(0);
	distJ[0] = 1;
	int w;
	while(kolejka.size()){
		w = kolejka.front();
		kolejka.pop();
		for(auto j: grafJ[w])
			if(distJ[j]==0){
				distJ[j] = distJ[w]+1;
				kolejka.push(j);
			}
	}
	for(i=0;i<n;i++){
		distJ[i] = 0;
	}
	kolejka.push(w);
	distJ[w] = 1;
	int k = w;
	ojciecJ[w] = -1;
	while(kolejka.size()){
		w = kolejka.front();
		kolejka.pop();
		for(auto j: grafJ[w])
			if(distJ[j]==0){
				ojciecJ[j] = w;
				distJ[j] = distJ[w]+1;
				kolejka.push(j);
			}
	}
	if(distJ[w]>=60){
		//printf("Case 1\n");
		for(i=0;i<n;i++){
			int pom = distJ[i]-1;
			pom = pom%60;
			MessageBoard(i, (x>>pom)&1);
		}
		return;
	}
	else{
		//printf("Case 2\n");
		int pom1 = ojciecJ[w], pom2 = w;
		while(pom1!=-1){
			for(int i=0;i<(int)grafJ[pom1].size();i++)
				if(grafJ[pom1][i]==pom2){
					swap(grafJ[pom1][i], grafJ[pom1][0]);
					break;
				}
			pom2 = pom1;
			pom1 = ojciecJ[pom1];
		}
		dfs(k, k);
		
		pom1 = ojciecJ[w], pom2 = w;
		while(pom1!=-1){
			for(auto &ij: grafJ[pom1])
				if(ij==pom2){
					swap(ij, grafJ[pom1].back());
					break;
				}
			pom2 = pom1;
			pom1 = ojciecJ[pom1];
		}
		preitJ=0;
		dfs2(k, k);
		
		for(i=0;i<n;i++){
			if(preorder2[i]<60)
				MessageBoard(i, (x>>preorder2[i])&1);
			else
				MessageBoard(i, 0);
		}
		return;
	}
}

#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
int dist[10010];
bool odw[10010];
int father[10010];
int ojciec[10010];
vector<int>graf[10010];
int find(int x){
	if(father[x]==x)return x;
	return father[x] = find(father[x]);
}
long long wynik = 0;
int preit=0;
int preorderI[10010];
void dfs1(int x, int o){
	for(auto j: graf[x])
		if(o!=j && preorderI[j]<60){
			if(preit<60)
				wynik+=(1ll<<preit++)*Move(j);
			dfs1(j, x);
		}
	if(preit<60)
		int skip = Move(o);
}

void dfs3(int x, int o){
	preorderI[x] = preit++;
	for(auto j: graf[x])
		if(j!=o)
			dfs3(j, x);
}

long long Ioi(int n, int m, int a[], int b[], int p, int v, int t) {
	//printf("Ioi:\n");
	//f&u zeby zrobic drzewo
	int i;
	for(i=0;i<n;i++)father[i] = i;
	for(i=0;i<m;i++){
		if(find(a[i])!=find(b[i])){
			graf[a[i]].push_back(b[i]), graf[b[i]].push_back(a[i]);
			father[father[a[i]]] = father[b[i]];
		}
	}

	queue<int>kolejka;
	kolejka.push(0);
	dist[0] = 1;
	int w;
	while(kolejka.size()){
		w = kolejka.front();
		kolejka.pop();
		for(auto j: graf[w])
			if(dist[j]==0){
				dist[j] = dist[w]+1;
				kolejka.push(j);
			}
	}
	for(i=0;i<n;i++){
		dist[i] = 0;
	}
	kolejka.push(w);
	dist[w] = 1;
	ojciec[w] = -1;
	int k = w;
	while(kolejka.size()){
		w = kolejka.front();
		kolejka.pop();
		for(auto j: graf[w])
			if(dist[j]==0){
				ojciec[j] = w;
				dist[j] = dist[w]+1;
				kolejka.push(j);
			}
	}
	if(dist[w]>=60){
		//printf("Case 1\n");
		//return 0;
		while((dist[p]-1)%60!=0){
			p = ojciec[p];
			v = Move(p);
		}
		long long res = 0;
		long long pom = 0;
		if(ojciec[p]==-1){
			res = v;
			vector<int>vec;
			while(dist[w]>60)w = ojciec[w];
			while(w!=p){
				vec.push_back(w);
				w = ojciec[w];
			}
			reverse(vec.begin(), vec.end());
			for(auto j: vec){
				pom++;
				res = res + (1ll<<pom)*Move(j);
			}
		}
		else{
			for(i=59;i>=0;i--){
				res = res + (1ll<<i)*Move(ojciec[p]);
				p = ojciec[p];
			}
		}
		//printf("res: %lld\n", res);
		return res;
	}
	else{
		//return 0;
		//printf("Case 2\n");
		while(ojciec[p]!=-1){
			v = Move(ojciec[p]);
			p = ojciec[p];
		}
		
		
		int pom1 = ojciec[w], pom2 = w;
		while(pom1!=-1){
			for(int i=0;i<(int)graf[pom1].size();i++)
				if(graf[pom1][i]==pom2){
					swap(graf[pom1][i], graf[pom1][0]);
					break;
				}
			pom2 = pom1;
			pom1 = ojciec[pom1];
		}
		dfs3(k, k);
		
		pom1 = ojciec[w], pom2 = w;
		while(pom1!=-1){
			for(auto &ij: graf[pom1])
				if(ij==pom2){
					swap(ij, graf[pom1].back());
					break;
				}
			pom2 = pom1;
			pom1 = ojciec[pom1];
		}
		
		
		preit = 1;
		wynik=v;
		dfs1(p, p);
		return wynik;
	}
}

Compilation message

Ioi.cpp: In function 'void dfs1(int, int)':
Ioi.cpp:24:7: warning: unused variable 'skip' [-Wunused-variable]
   24 |   int skip = Move(o);
      |       ^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1312 KB Output is correct
2 Correct 1 ms 1312 KB Output is correct
3 Correct 0 ms 1316 KB Output is correct
4 Correct 1 ms 1296 KB Output is correct
5 Correct 1 ms 1312 KB Output is correct
6 Correct 0 ms 1300 KB Output is correct
7 Correct 1 ms 1308 KB Output is correct
8 Correct 1 ms 1316 KB Output is correct
9 Correct 2 ms 1308 KB Output is correct
10 Correct 0 ms 1312 KB Output is correct
11 Correct 2 ms 1572 KB Output is correct
12 Correct 0 ms 1312 KB Output is correct
13 Correct 1 ms 1312 KB Output is correct
14 Correct 1 ms 1300 KB Output is correct
15 Correct 1 ms 1316 KB Output is correct
16 Correct 1 ms 1308 KB Output is correct
17 Correct 1 ms 1308 KB Output is correct
18 Correct 1 ms 1308 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 3868 KB Output is correct
2 Correct 14 ms 3884 KB Output is correct
3 Correct 14 ms 3868 KB Output is correct
4 Correct 10 ms 3384 KB Output is correct
5 Correct 9 ms 2880 KB Output is correct
6 Correct 9 ms 2872 KB Output is correct
7 Correct 9 ms 2876 KB Output is correct
8 Correct 9 ms 2880 KB Output is correct
9 Correct 9 ms 2872 KB Output is correct
10 Correct 7 ms 3444 KB Output is correct
11 Correct 8 ms 3352 KB Output is correct
12 Correct 9 ms 2848 KB Output is correct
13 Correct 9 ms 2848 KB Output is correct
14 Correct 10 ms 3248 KB Output is correct
15 Correct 10 ms 3128 KB Output is correct
16 Correct 10 ms 3136 KB Output is correct
17 Correct 13 ms 3124 KB Output is correct
18 Correct 13 ms 3384 KB Output is correct
19 Correct 9 ms 3384 KB Output is correct
20 Correct 7 ms 2880 KB Output is correct
21 Correct 6 ms 2856 KB Output is correct
22 Correct 9 ms 2872 KB Output is correct
23 Correct 9 ms 2868 KB Output is correct
24 Correct 8 ms 2880 KB Output is correct
25 Correct 8 ms 2880 KB Output is correct
26 Correct 9 ms 2880 KB Output is correct
27 Correct 11 ms 2872 KB Output is correct
28 Correct 10 ms 2880 KB Output is correct
29 Correct 7 ms 2856 KB Output is correct
30 Correct 7 ms 2860 KB Output is correct
31 Correct 0 ms 1312 KB Output is correct
32 Correct 0 ms 1312 KB Output is correct
33 Correct 1 ms 1556 KB Output is correct
34 Correct 0 ms 1312 KB Output is correct
35 Correct 1 ms 1300 KB Output is correct
36 Correct 2 ms 1300 KB Output is correct
37 Correct 0 ms 1312 KB Output is correct
38 Correct 1 ms 1312 KB Output is correct
39 Correct 1 ms 1304 KB Output is correct
40 Correct 2 ms 1300 KB Output is correct
41 Correct 0 ms 1300 KB Output is correct
42 Correct 1 ms 1296 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1296 KB Output is correct
2 Correct 0 ms 1308 KB Output is correct
3 Correct 1 ms 1300 KB Output is correct
4 Correct 2 ms 1348 KB Output is correct
5 Correct 2 ms 1344 KB Output is correct
6 Correct 2 ms 1340 KB Output is correct
7 Correct 2 ms 1332 KB Output is correct
8 Correct 2 ms 1344 KB Output is correct
9 Correct 7 ms 2884 KB Output is correct
10 Correct 7 ms 2892 KB Output is correct
11 Correct 7 ms 2872 KB Output is correct
12 Correct 1 ms 1312 KB Output is correct
13 Correct 1 ms 1312 KB Output is correct
14 Correct 1 ms 1308 KB Output is correct
15 Correct 1 ms 1308 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3868 KB Output is correct
2 Correct 14 ms 3868 KB Output is correct
3 Correct 18 ms 3884 KB Output is correct
4 Correct 9 ms 3124 KB Output is correct
5 Correct 11 ms 2880 KB Output is correct
6 Correct 9 ms 3068 KB Output is correct
7 Correct 9 ms 2880 KB Output is correct
8 Correct 9 ms 2872 KB Output is correct
9 Correct 9 ms 2884 KB Output is correct
10 Correct 8 ms 3396 KB Output is correct
11 Correct 9 ms 3388 KB Output is correct
12 Correct 8 ms 2948 KB Output is correct
13 Correct 9 ms 2852 KB Output is correct
14 Correct 9 ms 3116 KB Output is correct
15 Correct 10 ms 3132 KB Output is correct
16 Correct 9 ms 3128 KB Output is correct
17 Correct 12 ms 3432 KB Output is correct
18 Correct 9 ms 3272 KB Output is correct
19 Correct 10 ms 3136 KB Output is correct
20 Correct 7 ms 2876 KB Output is correct
21 Correct 7 ms 2872 KB Output is correct
22 Correct 9 ms 2880 KB Output is correct
23 Correct 10 ms 2868 KB Output is correct
24 Correct 9 ms 2876 KB Output is correct
25 Correct 9 ms 2872 KB Output is correct
26 Correct 13 ms 3024 KB Output is correct
27 Correct 9 ms 2876 KB Output is correct
28 Correct 9 ms 3132 KB Output is correct
29 Correct 9 ms 2988 KB Output is correct
30 Correct 11 ms 2836 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 3868 KB Output is correct
2 Correct 14 ms 3868 KB Output is correct
3 Correct 14 ms 3884 KB Output is correct
4 Correct 9 ms 3380 KB Output is correct
5 Correct 9 ms 2872 KB Output is correct
6 Correct 9 ms 2880 KB Output is correct
7 Correct 9 ms 2880 KB Output is correct
8 Correct 9 ms 2876 KB Output is correct
9 Correct 10 ms 2872 KB Output is correct
10 Correct 8 ms 3392 KB Output is correct
11 Correct 8 ms 3396 KB Output is correct
12 Correct 10 ms 3104 KB Output is correct
13 Correct 8 ms 2856 KB Output is correct
14 Correct 9 ms 3116 KB Output is correct
15 Correct 9 ms 3352 KB Output is correct
16 Correct 9 ms 3140 KB Output is correct
17 Correct 9 ms 3128 KB Output is correct
18 Correct 13 ms 3160 KB Output is correct
19 Correct 9 ms 3136 KB Output is correct
20 Correct 7 ms 2880 KB Output is correct
21 Correct 6 ms 2872 KB Output is correct
22 Correct 9 ms 2872 KB Output is correct
23 Correct 7 ms 3132 KB Output is correct
24 Correct 8 ms 2868 KB Output is correct
25 Correct 9 ms 2868 KB Output is correct
26 Correct 8 ms 2872 KB Output is correct
27 Correct 9 ms 2868 KB Output is correct
28 Correct 9 ms 2876 KB Output is correct
29 Correct 10 ms 2992 KB Output is correct
30 Correct 9 ms 2864 KB Output is correct
31 Correct 0 ms 1300 KB Output is correct
32 Correct 1 ms 1300 KB Output is correct
33 Correct 1 ms 1312 KB Output is correct
34 Correct 0 ms 1300 KB Output is correct
35 Correct 0 ms 1312 KB Output is correct
36 Correct 0 ms 1296 KB Output is correct
37 Correct 1 ms 1300 KB Output is correct
38 Correct 0 ms 1300 KB Output is correct
39 Correct 1 ms 1296 KB Output is correct
40 Correct 1 ms 1300 KB Output is correct
41 Correct 1 ms 1308 KB Output is correct
42 Correct 0 ms 1312 KB Output is correct