oj.uz

Submission #88007

# Submission time Handle Problem Language Result Execution time Memory
88007 2018-12-03T11:16:07 Z Pajaraja Tropical Garden (IOI11_garden) C++17
100 / 100
 4054 ms 36788 KB 
#include "garden.h"
#include "gardenlib.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> h[150007],g[300007];
int d[2][300007],nxt[300007];
void dfs(int s,int k,int di)
{
	if(d[k][s]!=-1)
	{
		d[k][s]=di;
		return;
	}
	d[k][s]=di;
	for(int i=0;i<g[s].size();i++) dfs(g[s][i],k,di+1);
}
void count_routes(int N, int M, int P, int R[][2], int Q, int G[])
{
	int n=N;
    for(int i=0;i<M;i++)
    {
    	int p;
    	p=R[i][1];
    	h[R[i][0]].push_back(p);
    	p=R[i][0];
        h[R[i][1]].push_back(p);
	}
	for(int i=0;i<N;i++)
	{
		if(h[h[i][0]][0]==i) nxt[i]=h[i][0]+n;
		else nxt[i]=h[i][0];
		if(h[i].size()>1)
		{
		    if(h[h[i][1]][0]==i) nxt[i+n]=h[i][1]+n;
		    else nxt[i+n]=h[i][1];
		}
		else
		{
			if(h[h[i][0]][0]==i) nxt[i+n]=h[i][0]+n;
		    else nxt[i+n]=h[i][0];
		}
		d[0][i]=d[0][i+n]=d[1][i]=d[1][i+n]=-1;
	}
	for(int i=0;i<2*n;i++) g[nxt[i]].push_back(i);
	dfs(P,0,0);
	dfs(P+n,1,0);
	for(int j=0;j<Q;j++)
	{
		int sol=0;
	    for(int i=0;i<N;i++) if(d[0][i]==G[j] || (d[0][i]>0 && d[0][P]>0 && d[0][i]<=G[j] && d[0][i]%d[0][P]==G[j]%d[0][P]) || d[1][i]==G[j] || (d[1][i]>0 && d[1][P+n]>0 && d[1][i]<=G[j] && d[1][i]%d[1][P+n]==G[j] % d[1][P+n])) sol++;
		answer(sol);
	}
}

Compilation message

garden.cpp: In function 'void dfs(int, int, int)':
garden.cpp:15:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<g[s].size();i++) dfs(g[s][i],k,di+1);
              ~^~~~~~~~~~~~

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11128 KB Output is correct
2 Correct 12 ms 11020 KB Output is correct
3 Correct 13 ms 11048 KB Output is correct
4 Correct 12 ms 10872 KB Output is correct
5 Correct 11 ms 10872 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10972 KB Output is correct
8 Correct 13 ms 11000 KB Output is correct
9 Correct 15 ms 11228 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11128 KB Output is correct
2 Correct 12 ms 11020 KB Output is correct
3 Correct 13 ms 11048 KB Output is correct
4 Correct 12 ms 10872 KB Output is correct
5 Correct 11 ms 10872 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10972 KB Output is correct
8 Correct 13 ms 11000 KB Output is correct
9 Correct 15 ms 11228 KB Output is correct
10 Correct 12 ms 11000 KB Output is correct
11 Correct 26 ms 13544 KB Output is correct
12 Correct 44 ms 15024 KB Output is correct
13 Correct 71 ms 29816 KB Output is correct
14 Correct 136 ms 24312 KB Output is correct
15 Correct 182 ms 24540 KB Output is correct
16 Correct 130 ms 20752 KB Output is correct
17 Correct 121 ms 19560 KB Output is correct
18 Correct 44 ms 14840 KB Output is correct
19 Correct 136 ms 24212 KB Output is correct
20 Correct 170 ms 24324 KB Output is correct
21 Correct 128 ms 20860 KB Output is correct
22 Correct 122 ms 19432 KB Output is correct
23 Correct 143 ms 25548 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 11128 KB Output is correct
2 Correct 12 ms 11020 KB Output is correct
3 Correct 13 ms 11048 KB Output is correct
4 Correct 12 ms 10872 KB Output is correct
5 Correct 11 ms 10872 KB Output is correct
6 Correct 13 ms 11128 KB Output is correct
7 Correct 12 ms 10972 KB Output is correct
8 Correct 13 ms 11000 KB Output is correct
9 Correct 15 ms 11228 KB Output is correct
10 Correct 12 ms 11000 KB Output is correct
11 Correct 26 ms 13544 KB Output is correct
12 Correct 44 ms 15024 KB Output is correct
13 Correct 71 ms 29816 KB Output is correct
14 Correct 136 ms 24312 KB Output is correct
15 Correct 182 ms 24540 KB Output is correct
16 Correct 130 ms 20752 KB Output is correct
17 Correct 121 ms 19560 KB Output is correct
18 Correct 44 ms 14840 KB Output is correct
19 Correct 136 ms 24212 KB Output is correct
20 Correct 170 ms 24324 KB Output is correct
21 Correct 128 ms 20860 KB Output is correct
22 Correct 122 ms 19432 KB Output is correct
23 Correct 143 ms 25548 KB Output is correct
24 Correct 13 ms 10972 KB Output is correct
25 Correct 151 ms 13640 KB Output is correct
26 Correct 184 ms 15352 KB Output is correct
27 Correct 2932 ms 30156 KB Output is correct
28 Correct 1677 ms 24716 KB Output is correct
29 Correct 3071 ms 24708 KB Output is correct
30 Correct 1861 ms 20956 KB Output is correct
31 Correct 1599 ms 19504 KB Output is correct
32 Correct 191 ms 14940 KB Output is correct
33 Correct 1699 ms 24184 KB Output is correct
34 Correct 2996 ms 24440 KB Output is correct
35 Correct 1831 ms 20728 KB Output is correct
36 Correct 2209 ms 19508 KB Output is correct
37 Correct 1196 ms 25528 KB Output is correct
38 Correct 4054 ms 36788 KB Output is correct