convert code python to java

1#include <bits/stdc++.h>
2using namespace std;
3 
4int main()
5{
6  int m,ans=INT_MAX,I=-1,J=-1;
7  cin>>m;
8  vector<vector<int>> mat(m,vector<int>());
9  cin.ignore();
10  for(int i=0;i<m;i++)
11  {
12    string s;
13    getline(cin,s);
14    istringstream ss(s);
15    while(ss)
16    {
17      string w;
18      ss>>w;
19      if(w=="") break;
20      mat[i].push_back(stoi(w));
21    }
22  }
23  int n=mat[0].size();
24  vector<vector<int>> Ans1(m,vector<int>(n,1));
25  vector<vector<int>> Ans2(m,vector<int>(n,1));
26  vector<vector<int>> Ans3(m,vector<int>(n,1));
27  vector<vector<int>> Ans4(m,vector<int>(n,1));
28 
29  for(int i=0;i<m-1;i++)
30  for(int j=0;j<mat[i].size();j++)
31  if(mat[i][j]==mat[i+1][j])
32    Ans1[i+1][j]=Ans1[i][j]+1;
33  
34  for(int i=0;i<m;i++)
35  for(int j=0;j<mat[i].size() -1;j++)
36  if(mat[i][j]==mat[i][j+1])
37    Ans2[i][j+1]=Ans2[i][j]+1;
38  
39  for(int i=0;i<m-1;i++)
40  for(int j=0;j<mat[i].size()-1;j++)
41  if(mat[i][j]==mat[i+1][j+1])
42    Ans3[i+1][j+1]=Ans3[i][j]+1;
43 
44  for(int i=0;i<m-1;i++)
45  for(int j=1;j<mat[i].size();j++)
46  if(mat[i][j]==mat[i+1][j-1])
47    Ans4[i+1][j-1]=Ans4[i][j]+1;
48  
49  for(int i=0;i<m;i++)
50  for(int j=0;j<mat[i].size();j++)
51  {
52    if(Ans1[i][j]>=4 && ans>mat[i][j])
53    {ans=mat[i][j];I=i;J=j;}
54    if(Ans2[i][j]>=4 && ans>mat[i][j])
55    {ans=mat[i][j];I=i;J=j;}
56    if(Ans3[i][j]>=4 && ans>mat[i][j])
57    {ans=mat[i][j];I=i;J=j;}
58    if(Ans3[i][j]>=4 && ans>mat[i][j])
59    {ans=mat[i][j];I=i;J=j;}
60  }
61  if(I==-1)cout<<-1;
62  else cout<<ans<<endl;
63  
64}

1def tipo_melenudos(lista):
2    lista_nueva=[]
3    for i in range(len(lista)):
4        if lista[i] not in lista_nueva:
5            lista_nueva.append(lista[i])
6    return lista_nueva

1def BitmapHoles(strArr):
2    bitmap = {}
3    for i in range(len(strArr)):
4        for j in range(len(strArr[i])):
5            bitmap[(i,j)] = int(strArr[i][j])
6    
7    hole_count = 0
8    hole = set()
9    checked = set()
10    flag = True
11    
12    for i in range(len(strArr)):
13        for j in range(len(strArr[i])):
14            stack = [(i,j)]
15            while stack:
16                coords = stack.pop()
17                if coords not in checked:
18                    checked.add(coords)
19                    if bitmap[coords] == 0 and coords not in hole:
20                        hole.add(coords)
21                        if flag == True:
22                            hole_count += 1
23                            flag = False
24                        if coords[0] - 1 >= 0 and (coords[0]-1,coords[1]) not in checked:
25                            stack.append((coords[0]-1,coords[1]))
26                        if coords[0] + 1 < len(strArr) and (coords[0]+1,coords[1]) not in checked:
27                            stack.append((coords[0]+1,coords[1]))
28                        if coords[1] - 1 >= 0 and (coords[0],coords[1]-1) not in checked:
29                            stack.append((coords[0],coords[1]-1))
30                        if coords[1] + 1 < len(strArr[coords[0]]) and (coords[0],coords[1]+1) not in checked:
31                            stack.append((coords[0],coords[1]+1))
32            flag = True
33            
34    return hole_count
35  

1n = int(input())
2output = []
3strings = []
4for _ in range(n):
5  strings.append(input().strip())
6q = int(input())
7for _ in range(q):
8  L,R,K = map(int, input().split())
9  s = ""
10  for __ in range(L-1,R):
11      s += strings[__]
12  output.append(s[K-1])
13print(*sorted(output),sep='\n')

1def BitmapHoles(strArr):
2    bitmap = {}
3    for i in range(len(strArr)):
4        for j in range(len(strArr[i])):
5            bitmap[(i,j)] = int(strArr[i][j])
6    
7    hole_count = 0
8    hole = set()
9    checked = set()
10    flag = True
11    
12    for i in range(len(strArr)):
13        for j in range(len(strArr[i])):
14            stack = [(i,j)]
15            while stack:
16                coords = stack.pop()
17                if coords not in checked:
18                    checked.add(coords)
19                    if bitmap[coords] == 0 and coords not in hole:
20                        hole.add(coords)
21                        if flag == True:
22                            hole_count += 1
23                            flag = False
24                        if coords[0] - 1 >= 0 and (coords[0]-1,coords[1]) not in checked:
25                            stack.append((coords[0]-1,coords[1]))
26                        if coords[0] + 1 < len(strArr) and (coords[0]+1,coords[1]) not in checked:
27                            stack.append((coords[0]+1,coords[1]))
28                        if coords[1] - 1 >= 0 and (coords[0],coords[1]-1) not in checked:
29                            stack.append((coords[0],coords[1]-1))
30                        if coords[1] + 1 < len(strArr[coords[0]]) and (coords[0],coords[1]+1) not in checked:
31                            stack.append((coords[0],coords[1]+1))
32            flag = True
33            
34    return hole_count

1def tipo_melenudos(lista):
2    lista_nueva=[]
3    for i in range(len(lista)):
4        if lista[i] not in lista_nueva:
5            lista_nueva.append(lista[i])
6    return lista_nueva

1s=input()
2l=[]
3s1='aeiou'
4sum1=0
5def snm(sum1):
6    t=0
7    while(sum1>0 or t>9):
8        if(sum1==0):
9            sum1=t
10            t=0
11        t=t+sum1%10
12        sum1=sum1//10
13    return t
14    
15for i in range(len(s)):
16    if s[i] in s1:
17        l.append(i)
18for j in range(len(l)):
19    k=l[j]*5
20    sum1=0
21    for h in range(1,k+1,2):
22        sum1=sum1+h
23    print(snm(sum1))