求助DL，刚搓的checker用不了

#include "testlib.h"

int main(int argc, char *argv[])
{
	registerTestlibCmd(argc,argv);
	int n = inf.readInt();
	inf.readEof();
	int a[n][n];
	for(int i = 0;i < n;i++)
	{
		for(int j = 0;j < n;j++)
		{
			a[i][j] = ouf.readInt();
			if(i == n - 1 && j == n - 1)ouf.readEof();
			else if(j == n - 1)ouf.readEoln(); 
			else ouf.readSpace();
		}
	}
	bool h[n * n];
	for(int i = 0;i < n;i++)
	{
		for(int j = 0;j < n;j++)
		{
			if(a[i][j] < 1 || a[i][j] > n * n || h[a[i][j]])quitf(_wa,"The number(s) is/are invalid.");
			h[a[i][j]] = 1;
		}
	}
	int sum = n * (n * n + 1) >> 1,sum3 = 0,sum4 = 0;
	for(int i = 0;i < n;i++)
	{
		int sum1 = 0,sum2 = 0;
		for(int j = 0;j < n;j++)
		{
			sum1 += a[i][j];
			sum2 += a[j][i];
		}
		sum3 += a[i][i];
		sum4 += a[i][n - i - 1];
		if(sum1 != sum || sum2 != sum)quitf(_wa,"The sum(s) is/are invalid.");
	}
	if(sum3 != sum || sum4 != sum)quitf(_wa,"The sum(s) is/are invalid.");
	quitf(_ok,"The ans is ok.");
}

8 1 6
3 5 7
4 9 2