/// Header file begin
#include <iostream>
#include <cstdio>
#include <cstring>
#include <map>
#include <string>
#include <vector>
#include <cmath>
#include <cctype>
#include <sstream>
#include <set>
#include <list>
#include <stack>
#include<utility>
#include <queue>
#include <algorithm>
#include<cstdlib>
/// End
//..........
/// Macro
#define sf scanf
#define pf printf
#define sfint(a,b) scanf("%d %d",&a,&b)
#define sfl(a,b) scanf("%ld %ld",&a,&b)
#define sfll(a,b) scanf("%lld %lld",&a,&b)
#define sfd(a,b) scanf("%lf %lf",&a,&b)
#define sff(a,b) scanf("%f %f",&a,&b)
#define lp1(i,n) for(i=0;i<n;i++)
#define lp2(i,n) for(i=1;i<=n;i++)
#define mem(c,v) memset(c,v,sizeof(c))
#define cp(a) cout<<" "<<a<<" "
#define nl puts("")
#define sq(x) ((x)*(x))
#define all(x) x.begin(),x.end()
#define reall(x) x.rbegin(),x.rend()
#define sz size()
#define gc getchar()
#define pb push_back
#define isfread freopen("input.txt","r",stdin)
/// End.........
/// Size
#define mx7 20000100
#define mx6 1500000
#define mx5 100005
#define mx4 1000100
#define inf 1<<30 //infinity value
#define eps 1e-9
#define mx 1009
#define mod 1000000007
#define pi acos(-1.0)
/// Macros for Graph
#define white 1
#define gray 2
#define black 3
#define nil 0
using namespace std;
/***************/
/// typedef
typedef long long LL;
typedef long L;
typedef unsigned long long ull;
typedef unsigned long ul;
typedef unsigned int ui;
typedef pair<int, int> pii;
typedef vector<int>vi;
typedef vector<long long> vll;
typedef vector<long>vl;
typedef vector<char>vch;
typedef vector<string>vs;
typedef map<int,int>mpii;
typedef map<int,bool>mpbi;
typedef map<long,bool>mpbl;
typedef map<long long,bool>mpbll;
typedef map<char,int>mpci;
typedef map<char,bool>mpbc;
typedef map<string,int>mpsi;
typedef map<long long,long long>mpll;
/// template
template<class T> T gcd(T a, T b ) {return b<=0?a:gcd(b,a%b);}
template<class T> T large(T a, T b ) {return a>b?a:b;}
template<class T> T small(T a, T b ) {return a<b?a:b;}
template<class T> T diffrnce(T a, T b) {return a-b<0?b-a:a-b;}
LL a[mx][mx];
int main()
{
int t,tc=0,n;
sf("%d\n",&t);
while(t--)
{
getchar();
char ch[mx];
LL i,j;
bool chk=false;
gets(ch);
sscanf(ch,"%c = %d",&ch[0],&n);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
sf("%lld",&a[i][j]);
if(a[i][j]<0)
{
chk=true;
}
}
}
if(chk)
{
pf("Test #%d: Non-symmetric.\n",++tc);
continue;
}
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
if(a[i][j] != a[n-1-i][n-1-j])
{
chk=true;
break;
}
}
if(chk)
{
break;
}
}
if(chk)
{
pf("Test #%d: Non-symmetric.\n",++tc);
}
else
{
pf("Test #%d: Symmetric.\n",++tc);
}
}
return 0;
}
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