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SillyMistake.java
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58 lines (47 loc) · 1.19 KB
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import java.util.HashMap;
import java.util.Scanner;
public class SillyMistake
{
public static void main( String[] args )
{
Scanner s = new Scanner( System.in );
int t = s.nextInt();
while( t-- > 0 )
{
int n = s.nextInt();
int[] a = new int[ n ];
int[] b = new int[ n ];
for( int i = 0; i < n; i++ )
a[i] = s.nextInt();
for( int i = 0; i < n; i++ )
b[i] = s.nextInt();
System.out.println( isValidPush( a, b, n ) );
}
}
private static String isValidPush( int[] a, int[] b, int n )
{
int count = 0;
int preDiff = 0;
for( int i = 0; i < n; i++ )
{
int diff = b[i] - a[i];
if( diff < 0 )
{
return "NO";
}
if( diff != preDiff && diff != 0 )
{
count++;
preDiff = diff;
}
else if( diff != preDiff && diff == 0 )
{
preDiff = diff;
}
}
if( count <= 1 )
return "YES";
else
return "NO";
}
}