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FloydWarShall.java
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59 lines (44 loc) · 1.12 KB
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import java.io.*;
import java.util.*;
class Graph
{
static int graph[][];
static int dst[][];
public static void main(String args[])
{
Scanner scan = new Scanner(System.in);
int n= scan.nextInt();
graph=new int[n][n];
dst=new int [n][n];
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
graph[i][j]=scan.nextInt();
dst[i][j]=graph[i][j];
}
}
for(int k=0;k<n;k++)
{
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(dst[i][k]+dst[k][j]<dst[i][j])
dst[i][j]=dst[i][k]+dst[k][j];
}
}
}
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(dst[i][j]==1000000)
System.out.print("INF\t");
else
System.out.print(dst[i][j]+"\t");
}
System.out.println();
}
}
}