I have written code for indicium. I think it should work but still it is
failing at google codejam.
Please help and code is below:
Indicium TC failing while it is passes locally
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Neeraj Kumar
to codejam
2 days ago
Details
I have tried all possible TCs at local for Indicum problem.Please provide TC
set for which below code is failing. It will help improvement in coding
perspective.
Code:
import java.util.Scanner;
public class Solution {
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int T=sc.nextInt();
int x=1;
while(T>0){
int n=sc.nextInt();
int k=sc.nextInt();
if(k>n*n || k<n){
System.out.println("Case #" + x + ": " + "IMPOSSIBLE");
}
else {
int[][] latinSquare = new int[n + 1][n + 1];
for (int i = 1; i < n + 1; i++) {
int p = i;
for (int j = 1; j < n + 1; j++) {
if (p == n + 1) {
p = 1;
}
latinSquare[i][j] = p++;
//System.out.print(latinSquare[i][j]);
}
//System.out.println();
}
boolean visited[] = new boolean[n + 1];
int[] list=new int[n+1];
int sum = k;
boolean flag = getLatinSquareForGivenTrace(latinSquare,
visited, list, k, n, 0);
if (flag) {
System.out.println("Case #" + x + ": " + "POSSIBLE");
for (int i=1;i<=n;i++) {
for (int j = 1; j <= n; j++) {
if(j==n){
System.out.println(latinSquare[list[i]][j]);
}
else{
System.out.print(latinSquare[list[i]][j] + " ");
}
}
}
} else {
System.out.println("Case #" + x + ": " + "IMPOSSIBLE");
}
}
T--;
x++;
}
}
public static boolean getLatinSquareForGivenTrace(int[][]
latinSquare,boolean[] visited,int[] list,int sum,int n,int times){
if(times==n && sum!=0){
return false;
}
if(sum==0 && times==n){
return true;
}
if(sum==0 && times!=n){
return false;
}
times++;
for(int i=1;i<=n;i++){
boolean flag=false;
if(!visited[i]){
visited[i]=true;
sum-=latinSquare[i][times];
Integer num=i;
list[times]=i;
flag=getLatinSquareForGivenTrace(latinSquare,visited,list,sum,n,times);
if(flag){
return flag;
}
sum+=latinSquare[i][times];
visited[i]=false;
}
}
times--;
return false;
}
}
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