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๐Ÿ”ฐAuthentic Coding Solutions(with Outputs)
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import javadotio; import java.util.;

public class Solution {

public static void main(String[] args) {
Scanner sc=new Scanner(Systemdotin);

int N=sc.nextInt();
int X=sc.nextInt();
int Y=sc.nextInt();
int T=sc.nextInt();
int M=sc.nextInt();

int[][] mat=new int[N][N];

for(int i=0;i<M;i++){
int a=sc.nextInt();
int b=sc.nextInt();

mat[a][b]=1;
mat[b][a]=1;
}
int[][] tempMat=mat;
int[][] temp2Mat=new int[N][N];


if(T==1){
System.out.println(mat[X][Y]==0?"not possible":mat[X][Y]);

}
else{

int temp=0;
for(int i=1;i<T;i++){
for(int j=0;j<N;j++){
for(int k=0;k<N;k++){
int t2=0;
for(int l=0;l<N;l++){
t2+=mat[j][l]*tempMat[l][k];
}
temp2Mat[j][k]=t2;
}
}
mat=temp2Mat;
temp2Mat=new int[N][N];

}

System.out.println(mat[X][Y]==0?"not possible":mat[X][Y]);
}

}
}

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CDK GLOBAL
(Java 8)โœ…
๐Ÿ‘1
// Search a 2D Matrix II
class Solution {
public:
bool searchMatrix(vector<vector<int>>& matrix, int target) {
int n=matrix.size();
int m=matrix[0].size();
int i=0,j=m-1;
while(i<n and j>0){
if(matrix[i][j]==target){
return true;
}else if(matrix[i][j]>target){
j--;
}else{
i++;
}
}
return false;

}
};

//C++โœ