oj.uz

Submission #58215

# Submission time Handle Problem Language Result Execution time Memory
58215 2018-07-17T08:01:22 Z 정원준(#1691) Wild Boar (JOI18_wild_boar) C++11
47 / 100
 18000 ms 328708 KB 
#include <bits/stdc++.h>
#define L long long

using namespace std;

const L inf=1e18;

L n,m,t,l,ans=inf;
L s[2020],e[2020],d[2020];
vector<L>v[2020],dis[2020];
L plan[100010];

L versum=1;
L st[2020],ed[2020];

vector<L>realv[4040],realdis[4040];
L dist[4040][4040],chk[4040][4040];
vector<L>dp[100010];

struct S{
	L loc,dist;
};

bool operator<(S a,S b){
	return a.dist>b.dist;
}

priority_queue<S>Q;

int main()
{
	scanf("%lld %lld %lld %lld",&n,&m,&t,&l);
	L i,j,k;
	for(i=1;i<=m;i++)
	{
		scanf("%lld %lld %lld",&s[i],&e[i],&d[i]);
		v[s[i]].push_back(e[i]);
		v[e[i]].push_back(s[i]);
		dis[s[i]].push_back(d[i]);
		dis[e[i]].push_back(d[i]);
	}
	
	for(i=1;i<=l;i++)
	{
		scanf("%lld",&plan[i]);
	}
	L xtemp,ytemp;
	scanf("%lld %lld",&xtemp,&ytemp);
	plan[xtemp]=ytemp;
	
	
	n++;
	v[plan[l]].push_back(n+1);
	v[n+1].push_back(plan[l]);
	dis[plan[l]].push_back(0);
	dis[n+1].push_back(0);
	
	
	for(i=1;i<=n;i++)
	{
		st[i]=versum;
		ed[i]=versum+v[i].size();
		versum+=v[i].size();
	}
	versum--;
	for(i=1;i<=versum;i++)
	{
		for(j=1;j<=versum;j++)
		{
			dist[i][j]=inf;
		}
	}
	L cnt=0;
	for(i=1;i<=n;i++)
	{
		for(j=0;j<v[i].size();j++)
		{
			for(k=0;k<v[v[i][j]].size();k++)
			{
				if(v[v[i][j]][k]!=i)
				{
					L ss=st[i]+j;
					L ee=st[v[i][j]]+k;
					//printf("%lld %lld %lld %lld\n",i,ss,v[i][j],ee);
					realv[ss].push_back(ee);
					realdis[ss].push_back(dis[i][j]);
					//printf("%lld %lld\n",i,v[i][j]);
					cnt++;
				}
			}
		}
	}
	//printf("%lld",cnt);
	for(i=1;i<=versum;i++)
	{
		dist[i][i]=0;
		Q.push((S){i,0});
		while(!Q.empty())
		{
			L x=Q.top().loc;Q.pop();
			if(chk[i][x]) continue;
			chk[i][x]=1;
			for(j=0;j<realv[x].size();j++)
			{
				if(dist[i][realv[x][j]]>dist[i][x]+realdis[x][j])
				{
					dist[i][realv[x][j]]=dist[i][x]+realdis[x][j];
					Q.push((S){realv[x][j],dist[i][x]+realdis[x][j]});
				}
			}
		}
	}
	/*for(i=1;i<=versum;i++)
	{
		for(j=1;j<=versum;j++)
		{
			printf("%lld ",dist[i][j]);
		}
		puts("");
	}*/
	for(i=1;i<l;i++)
	{
		for(j=0;j<v[plan[i+1]].size();j++)
		{
			dp[i+1].push_back(inf);
		}
		if(i==1)
		{
			for(j=0;j<v[plan[i]].size();j++)
			{
				dp[i].push_back(inf);
			}
			for(j=0;j<v[plan[i]].size();j++)
			{
				dp[i][j]=0;
			}
		}
		for(j=0;j<v[plan[i]].size();j++)
		{
			if(dp[i][j]!=inf)
			{
				for(k=0;k<v[plan[i+1]].size();k++)
				{
					dp[i+1][k]=min(dp[i+1][k],dp[i][j]+dist[st[plan[i]]+j][st[plan[i+1]]+k]);
				}
			}
		}
		/*for(j=0;j<v[plan[i]].size();j++)
		{
			printf("%lld ",dp[i][j]);
		}
		puts("");*/
	}
	for(i=0;i<v[plan[l]].size();i++)
	{
		ans=min(ans,dp[l][i]);
	}
	printf("%lld",ans>=inf?-1:ans);
}

Compilation message

wild_boar.cpp: In function 'int main()':
wild_boar.cpp:76:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j=0;j<v[i].size();j++)
           ~^~~~~~~~~~~~
wild_boar.cpp:78:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(k=0;k<v[v[i][j]].size();k++)
            ~^~~~~~~~~~~~~~~~~~
wild_boar.cpp:103:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0;j<realv[x].size();j++)
            ~^~~~~~~~~~~~~~~~
wild_boar.cpp:123:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j=0;j<v[plan[i+1]].size();j++)
           ~^~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:129:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0;j<v[plan[i]].size();j++)
            ~^~~~~~~~~~~~~~~~~~
wild_boar.cpp:133:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0;j<v[plan[i]].size();j++)
            ~^~~~~~~~~~~~~~~~~~
wild_boar.cpp:138:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j=0;j<v[plan[i]].size();j++)
           ~^~~~~~~~~~~~~~~~~~
wild_boar.cpp:142:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(k=0;k<v[plan[i+1]].size();k++)
             ~^~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:154:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<v[plan[l]].size();i++)
          ~^~~~~~~~~~~~~~~~~~
wild_boar.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld %lld",&n,&m,&t,&l);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld",&s[i],&e[i],&d[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&plan[i]);
   ~~~~~^~~~~~~~~~~~~~~~~
wild_boar.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&xtemp,&ytemp);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3064 KB Output is correct
2 Correct 6 ms 3300 KB Output is correct
3 Correct 6 ms 3300 KB Output is correct
4 Correct 4 ms 3392 KB Output is correct
5 Correct 4 ms 3404 KB Output is correct
6 Correct 4 ms 3404 KB Output is correct
7 Correct 6 ms 3404 KB Output is correct
8 Correct 4 ms 3404 KB Output is correct
9 Correct 4 ms 3404 KB Output is correct
10 Correct 7 ms 3404 KB Output is correct
11 Correct 6 ms 3404 KB Output is correct
12 Correct 6 ms 3404 KB Output is correct
13 Correct 4 ms 3428 KB Output is correct
14 Correct 5 ms 3428 KB Output is correct
15 Correct 5 ms 3428 KB Output is correct
16 Correct 4 ms 3428 KB Output is correct
17 Correct 5 ms 3428 KB Output is correct
18 Correct 5 ms 3428 KB Output is correct
19 Correct 5 ms 3428 KB Output is correct
20 Correct 5 ms 3428 KB Output is correct
21 Correct 4 ms 3428 KB Output is correct
22 Correct 5 ms 3432 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 5 ms 3432 KB Output is correct
25 Correct 5 ms 3432 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3064 KB Output is correct
2 Correct 6 ms 3300 KB Output is correct
3 Correct 6 ms 3300 KB Output is correct
4 Correct 4 ms 3392 KB Output is correct
5 Correct 4 ms 3404 KB Output is correct
6 Correct 4 ms 3404 KB Output is correct
7 Correct 6 ms 3404 KB Output is correct
8 Correct 4 ms 3404 KB Output is correct
9 Correct 4 ms 3404 KB Output is correct
10 Correct 7 ms 3404 KB Output is correct
11 Correct 6 ms 3404 KB Output is correct
12 Correct 6 ms 3404 KB Output is correct
13 Correct 4 ms 3428 KB Output is correct
14 Correct 5 ms 3428 KB Output is correct
15 Correct 5 ms 3428 KB Output is correct
16 Correct 4 ms 3428 KB Output is correct
17 Correct 5 ms 3428 KB Output is correct
18 Correct 5 ms 3428 KB Output is correct
19 Correct 5 ms 3428 KB Output is correct
20 Correct 5 ms 3428 KB Output is correct
21 Correct 4 ms 3428 KB Output is correct
22 Correct 5 ms 3432 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 5 ms 3432 KB Output is correct
25 Correct 5 ms 3432 KB Output is correct
26 Correct 6 ms 3940 KB Output is correct
27 Correct 40 ms 9956 KB Output is correct
28 Correct 41 ms 10124 KB Output is correct
29 Correct 229 ms 22536 KB Output is correct
30 Correct 371 ms 40284 KB Output is correct
31 Correct 2124 ms 100364 KB Output is correct
32 Correct 1963 ms 117024 KB Output is correct
33 Correct 151 ms 117024 KB Output is correct
34 Correct 122 ms 117024 KB Output is correct
35 Correct 2770 ms 117024 KB Output is correct
36 Correct 1302 ms 117024 KB Output is correct
37 Correct 143 ms 117024 KB Output is correct
38 Correct 108 ms 117024 KB Output is correct
39 Correct 717 ms 117024 KB Output is correct
40 Correct 154 ms 117024 KB Output is correct
41 Correct 171 ms 117024 KB Output is correct
42 Correct 895 ms 117024 KB Output is correct
43 Correct 91 ms 117024 KB Output is correct
44 Correct 86 ms 117024 KB Output is correct
45 Correct 56 ms 117024 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3064 KB Output is correct
2 Correct 6 ms 3300 KB Output is correct
3 Correct 6 ms 3300 KB Output is correct
4 Correct 4 ms 3392 KB Output is correct
5 Correct 4 ms 3404 KB Output is correct
6 Correct 4 ms 3404 KB Output is correct
7 Correct 6 ms 3404 KB Output is correct
8 Correct 4 ms 3404 KB Output is correct
9 Correct 4 ms 3404 KB Output is correct
10 Correct 7 ms 3404 KB Output is correct
11 Correct 6 ms 3404 KB Output is correct
12 Correct 6 ms 3404 KB Output is correct
13 Correct 4 ms 3428 KB Output is correct
14 Correct 5 ms 3428 KB Output is correct
15 Correct 5 ms 3428 KB Output is correct
16 Correct 4 ms 3428 KB Output is correct
17 Correct 5 ms 3428 KB Output is correct
18 Correct 5 ms 3428 KB Output is correct
19 Correct 5 ms 3428 KB Output is correct
20 Correct 5 ms 3428 KB Output is correct
21 Correct 4 ms 3428 KB Output is correct
22 Correct 5 ms 3432 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 5 ms 3432 KB Output is correct
25 Correct 5 ms 3432 KB Output is correct
26 Correct 6 ms 3940 KB Output is correct
27 Correct 40 ms 9956 KB Output is correct
28 Correct 41 ms 10124 KB Output is correct
29 Correct 229 ms 22536 KB Output is correct
30 Correct 371 ms 40284 KB Output is correct
31 Correct 2124 ms 100364 KB Output is correct
32 Correct 1963 ms 117024 KB Output is correct
33 Correct 151 ms 117024 KB Output is correct
34 Correct 122 ms 117024 KB Output is correct
35 Correct 2770 ms 117024 KB Output is correct
36 Correct 1302 ms 117024 KB Output is correct
37 Correct 143 ms 117024 KB Output is correct
38 Correct 108 ms 117024 KB Output is correct
39 Correct 717 ms 117024 KB Output is correct
40 Correct 154 ms 117024 KB Output is correct
41 Correct 171 ms 117024 KB Output is correct
42 Correct 895 ms 117024 KB Output is correct
43 Correct 91 ms 117024 KB Output is correct
44 Correct 86 ms 117024 KB Output is correct
45 Correct 56 ms 117024 KB Output is correct
46 Correct 236 ms 117024 KB Output is correct
47 Execution timed out 18062 ms 328708 KB Time limit exceeded
48 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 3064 KB Output is correct
2 Correct 6 ms 3300 KB Output is correct
3 Correct 6 ms 3300 KB Output is correct
4 Correct 4 ms 3392 KB Output is correct
5 Correct 4 ms 3404 KB Output is correct
6 Correct 4 ms 3404 KB Output is correct
7 Correct 6 ms 3404 KB Output is correct
8 Correct 4 ms 3404 KB Output is correct
9 Correct 4 ms 3404 KB Output is correct
10 Correct 7 ms 3404 KB Output is correct
11 Correct 6 ms 3404 KB Output is correct
12 Correct 6 ms 3404 KB Output is correct
13 Correct 4 ms 3428 KB Output is correct
14 Correct 5 ms 3428 KB Output is correct
15 Correct 5 ms 3428 KB Output is correct
16 Correct 4 ms 3428 KB Output is correct
17 Correct 5 ms 3428 KB Output is correct
18 Correct 5 ms 3428 KB Output is correct
19 Correct 5 ms 3428 KB Output is correct
20 Correct 5 ms 3428 KB Output is correct
21 Correct 4 ms 3428 KB Output is correct
22 Correct 5 ms 3432 KB Output is correct
23 Correct 4 ms 3432 KB Output is correct
24 Correct 5 ms 3432 KB Output is correct
25 Correct 5 ms 3432 KB Output is correct
26 Correct 6 ms 3940 KB Output is correct
27 Correct 40 ms 9956 KB Output is correct
28 Correct 41 ms 10124 KB Output is correct
29 Correct 229 ms 22536 KB Output is correct
30 Correct 371 ms 40284 KB Output is correct
31 Correct 2124 ms 100364 KB Output is correct
32 Correct 1963 ms 117024 KB Output is correct
33 Correct 151 ms 117024 KB Output is correct
34 Correct 122 ms 117024 KB Output is correct
35 Correct 2770 ms 117024 KB Output is correct
36 Correct 1302 ms 117024 KB Output is correct
37 Correct 143 ms 117024 KB Output is correct
38 Correct 108 ms 117024 KB Output is correct
39 Correct 717 ms 117024 KB Output is correct
40 Correct 154 ms 117024 KB Output is correct
41 Correct 171 ms 117024 KB Output is correct
42 Correct 895 ms 117024 KB Output is correct
43 Correct 91 ms 117024 KB Output is correct
44 Correct 86 ms 117024 KB Output is correct
45 Correct 56 ms 117024 KB Output is correct
46 Correct 236 ms 117024 KB Output is correct
47 Execution timed out 18062 ms 328708 KB Time limit exceeded
48 Halted 0 ms 0 KB -