Submission #152864

# Submission time Handle Problem Language Result Execution time Memory
152864 2019-09-10T09:19:56 Z tinjyu Split the Attractions (IOI19_split) C++14
40 / 100
111 ms 15224 KB
#include "split.h"
#include <iostream>
#include <stdio.h>
using namespace std;
long long int cnt=0,x1[100005],y1[100005],can=0,ans[100005],f[100005],s,e,stop,a[2],b[2],c[2],sum[100005],t[100005],n,m,road[100005],map[1000005][2],tag[100005];
int buildp(int x,int father)
{
	tag[x]=1;
	f[x]=father;
	sum[x]=1;
	int g=road[x];
	while(g!=-1)
	{
		int now=map[g][0];
		if(tag[now]==0)sum[x]+=buildp(now,x);
		g=map[g][1];
	}
	return sum[x];
}
int color(int x,int col)
{
	if(s==e)return 0;
	s++;
	ans[x]=col;
	int g=road[x];
	while(g!=-1)
	{
		if(s==e)return 0;
		int now=map[g][0];
		if(now!=f[x] && now!=stop)color(now,col);
		g=map[g][1];
	}
}
int find(int x,int father)
{
	if(sum[x]>=a[0] && father>=b[0])
	{	
		can=1;
		stop=f[x];
		s=0;
		e=a[0];
		color(x,a[1]);
		stop=x;
		s=0;
		e=b[0];
		color(0,b[1]);
		return 0;
	}
	if(father>=a[0] && sum[x]>=b[0])
	{
		can=1;
		stop=x;
		s=0;
		e=a[0];
		color(0,a[1]);
		stop=f[x];
		s=0;
		e=b[0];
		color(x,b[1]);
		return 0;
	}
	int g=road[x];
	while(g!=-1)
	{
		int now=map[g][0];
		if(now!=f[x])find(now,father+(sum[x]-sum[now]));
		if(can==1)return 0;
		g=map[g][1];
	}
}
int dfs(int x)
{
	int g=road[x];
	tag[x]=1;
	while(g!=-1)
	{
		int now=map[g][0];
		if(tag[now]==0)
		{
			y1[cnt]=x;
			x1[cnt]=now;
			cnt++;
			dfs(now);
		}
		g=map[g][1];
	}
	return 0;
}
vector<int> find_split(int N, int A, int B, int C, vector<int> p, vector<int> q) {
	a[0]=A;
	a[1]=1;
	b[0]=B;
	b[1]=2;
	c[0]=C;
	c[1]=3;
	if(b[0]<=a[0] && b[0]<=c[0])
	{
		swap(a[0],b[0]);
		swap(a[1],b[1]);
	}
	if(c[0]<=b[0] && c[0]<=a[0])
	{
		swap(a[0],c[0]);
		swap(a[1],c[1]);
	}
	if(c[0]<=b[0])
	{
		swap(b[0],c[0]);
		swap(b[1],c[1]);
	}
 	;
	n=N;
	m=q.size();
	for(int i=0;i<=n;i++)road[i]=-1;
	for(int i=0;i<m;i++)
	{
		map[i*2][0]=p[i];
		map[i*2][1]=road[q[i]];
		road[q[i]]=i*2;
		map[i*2+1][0]=q[i];
		map[i*2+1][1]=road[p[i]];
		road[p[i]]=i*2+1;
	}
	dfs(0);
	for(int i=0;i<cnt;i++)
	{
		p[i]=x1[i];
		q[i]=y1[i];
	}
	for(int i=0;i<=n;i++)
	{
		road[i]=-1;
		tag[i]=0;
	}
	for(int i=0;i<cnt;i++)
	{
		map[i*2][0]=p[i];
		map[i*2][1]=road[q[i]];
		road[q[i]]=i*2;
		map[i*2+1][0]=q[i];
		map[i*2+1][1]=road[p[i]];
		road[p[i]]=i*2+1;
	}
	buildp(0,-1);
	find(0,0);
	vector<int> res(n);
	if(can==0)return res;
	for(int i=0;i<n;i++)
	{
		res[i]=ans[i];
		if(res[i]==0)res[i]=c[1];
	} 
	return res;
}

Compilation message

split.cpp: In function 'int color(int, int)':
split.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
split.cpp: In function 'int find(int, int)':
split.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB ok, correct split
2 Correct 2 ms 376 KB ok, correct split
3 Correct 2 ms 376 KB ok, correct split
4 Correct 2 ms 376 KB ok, correct split
5 Correct 2 ms 376 KB ok, correct split
6 Correct 2 ms 376 KB ok, correct split
7 Correct 79 ms 13940 KB ok, correct split
8 Correct 72 ms 12252 KB ok, correct split
9 Correct 68 ms 12720 KB ok, correct split
10 Correct 105 ms 13320 KB ok, correct split
11 Correct 95 ms 14012 KB ok, correct split
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB ok, correct split
2 Correct 2 ms 376 KB ok, correct split
3 Correct 2 ms 376 KB ok, correct split
4 Correct 111 ms 13944 KB ok, correct split
5 Correct 69 ms 11052 KB ok, correct split
6 Correct 85 ms 13236 KB ok, correct split
7 Correct 75 ms 12880 KB ok, correct split
8 Correct 104 ms 15224 KB ok, correct split
9 Correct 72 ms 11128 KB ok, correct split
10 Correct 56 ms 10872 KB ok, correct split
11 Correct 58 ms 10876 KB ok, correct split
12 Correct 64 ms 10900 KB ok, correct split
# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB ok, correct split
2 Correct 68 ms 10888 KB ok, correct split
3 Correct 26 ms 4536 KB ok, correct split
4 Correct 2 ms 380 KB ok, correct split
5 Correct 67 ms 11896 KB ok, correct split
6 Correct 78 ms 11768 KB ok, correct split
7 Correct 101 ms 11784 KB ok, correct split
8 Correct 77 ms 12424 KB ok, correct split
9 Correct 69 ms 11768 KB ok, correct split
10 Correct 23 ms 3704 KB ok, no valid answer
11 Correct 32 ms 5240 KB ok, no valid answer
12 Correct 63 ms 10116 KB ok, no valid answer
13 Correct 67 ms 10104 KB ok, no valid answer
14 Correct 60 ms 10104 KB ok, no valid answer
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB ok, correct split
2 Correct 2 ms 376 KB ok, no valid answer
3 Correct 2 ms 376 KB ok, correct split
4 Correct 2 ms 380 KB ok, correct split
5 Correct 2 ms 376 KB ok, correct split
6 Correct 2 ms 376 KB ok, correct split
7 Correct 2 ms 376 KB ok, correct split
8 Correct 2 ms 376 KB ok, correct split
9 Correct 4 ms 760 KB ok, correct split
10 Correct 4 ms 760 KB ok, correct split
11 Correct 2 ms 376 KB ok, correct split
12 Correct 4 ms 760 KB ok, correct split
13 Correct 2 ms 376 KB ok, correct split
14 Correct 3 ms 376 KB ok, correct split
15 Correct 3 ms 376 KB ok, correct split
16 Correct 2 ms 376 KB ok, correct split
17 Correct 4 ms 376 KB ok, correct split
18 Correct 2 ms 376 KB ok, correct split
19 Correct 3 ms 504 KB ok, correct split
20 Correct 3 ms 504 KB ok, correct split
21 Correct 4 ms 760 KB ok, correct split
22 Correct 4 ms 704 KB ok, correct split
23 Correct 3 ms 632 KB ok, correct split
24 Correct 4 ms 632 KB ok, correct split
25 Correct 4 ms 632 KB ok, correct split
26 Incorrect 4 ms 760 KB jury found a solution, contestant did not
27 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB ok, correct split
2 Correct 2 ms 376 KB ok, correct split
3 Correct 2 ms 376 KB ok, correct split
4 Correct 2 ms 376 KB ok, correct split
5 Correct 2 ms 376 KB ok, correct split
6 Correct 2 ms 376 KB ok, correct split
7 Correct 79 ms 13940 KB ok, correct split
8 Correct 72 ms 12252 KB ok, correct split
9 Correct 68 ms 12720 KB ok, correct split
10 Correct 105 ms 13320 KB ok, correct split
11 Correct 95 ms 14012 KB ok, correct split
12 Correct 2 ms 376 KB ok, correct split
13 Correct 2 ms 376 KB ok, correct split
14 Correct 2 ms 376 KB ok, correct split
15 Correct 111 ms 13944 KB ok, correct split
16 Correct 69 ms 11052 KB ok, correct split
17 Correct 85 ms 13236 KB ok, correct split
18 Correct 75 ms 12880 KB ok, correct split
19 Correct 104 ms 15224 KB ok, correct split
20 Correct 72 ms 11128 KB ok, correct split
21 Correct 56 ms 10872 KB ok, correct split
22 Correct 58 ms 10876 KB ok, correct split
23 Correct 64 ms 10900 KB ok, correct split
24 Correct 2 ms 380 KB ok, correct split
25 Correct 68 ms 10888 KB ok, correct split
26 Correct 26 ms 4536 KB ok, correct split
27 Correct 2 ms 380 KB ok, correct split
28 Correct 67 ms 11896 KB ok, correct split
29 Correct 78 ms 11768 KB ok, correct split
30 Correct 101 ms 11784 KB ok, correct split
31 Correct 77 ms 12424 KB ok, correct split
32 Correct 69 ms 11768 KB ok, correct split
33 Correct 23 ms 3704 KB ok, no valid answer
34 Correct 32 ms 5240 KB ok, no valid answer
35 Correct 63 ms 10116 KB ok, no valid answer
36 Correct 67 ms 10104 KB ok, no valid answer
37 Correct 60 ms 10104 KB ok, no valid answer
38 Correct 2 ms 376 KB ok, correct split
39 Correct 2 ms 376 KB ok, no valid answer
40 Correct 2 ms 376 KB ok, correct split
41 Correct 2 ms 380 KB ok, correct split
42 Correct 2 ms 376 KB ok, correct split
43 Correct 2 ms 376 KB ok, correct split
44 Correct 2 ms 376 KB ok, correct split
45 Correct 2 ms 376 KB ok, correct split
46 Correct 4 ms 760 KB ok, correct split
47 Correct 4 ms 760 KB ok, correct split
48 Correct 2 ms 376 KB ok, correct split
49 Correct 4 ms 760 KB ok, correct split
50 Correct 2 ms 376 KB ok, correct split
51 Correct 3 ms 376 KB ok, correct split
52 Correct 3 ms 376 KB ok, correct split
53 Correct 2 ms 376 KB ok, correct split
54 Correct 4 ms 376 KB ok, correct split
55 Correct 2 ms 376 KB ok, correct split
56 Correct 3 ms 504 KB ok, correct split
57 Correct 3 ms 504 KB ok, correct split
58 Correct 4 ms 760 KB ok, correct split
59 Correct 4 ms 704 KB ok, correct split
60 Correct 3 ms 632 KB ok, correct split
61 Correct 4 ms 632 KB ok, correct split
62 Correct 4 ms 632 KB ok, correct split
63 Incorrect 4 ms 760 KB jury found a solution, contestant did not
64 Halted 0 ms 0 KB -