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J02101.java
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33 lines (30 loc) · 955 Bytes
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package CODE_PTIT;
import java.util.*;
public class J02101 {
public static void main(String[] args) {
Scanner inp = new Scanner(System.in);
int t = inp.nextInt();
while(t-- > 0){
int n = inp.nextInt();
int[][] a = new int[105][105];
for(int i = 0; i < n; i++){
for(int j = 0; j < n; j++){
a[i][j] = inp.nextInt();
}
}
for(int i = 0; i < n; i++){
if(i % 2 == 0){
for(int j = 0; j < n; j++){
System.out.printf("%d ", a[i][j]);
}
}
else{
for(int j = n-1; j >= 0; j--){
System.out.printf("%d ", a[i][j]);
}
}
}
System.out.println();
}
}
}