#include<bits/stdc++.h>
using namespace std ;
#define maxn 200009
#define ll long long
#define fi first
#define se second
#define pb push_back
#define left id<<1
#define right id<<1|1
#define re exit(0);
#define _lower(x) lower_bound(v.begin(),v.end(),x)-v.begin()
#define TIME 1.0*clock()/CLOCKS_PER_SEC
const int mod = 1e9+7;
const int INF = 1e9;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<ll> vl;
void add ( int &a , int b )
{
a += b ;
if ( a > mod ) a -= mod ;
if ( a < 0 ) a += mod ;
}
template <typename T> void chkmin ( T &a , T b ) { if ( a > b ) a = b ; }
template <typename T> void chkmax ( T &a , T b ) { if ( a < b ) a = b ; }
int _pow ( int a , int n )
{
if ( n == 0 ) return 1 ;
int res = _pow (a,n/2) ;
if ( n % 2 ) return 1ll*res*res%mod*a%mod ;
else return 1ll*res*res%mod ;
}
void rf ()
{
freopen ("bai1.inp","r",stdin) ;
}
vector<vector<int>> ans ;
int c ;
bool ok ( int rows , int cols , int grps )
{
int mxg = rows * cols / 4 , mng = max ( rows/2 , cols/2 ) ;
return ! ( rows&1 || cols&1 || grps < mng || grps > mxg || grps == mxg - 1 || ( rows == cols && grps == mng+1 ) ) ;
}
void solve ( int rows , int cols , int grps , int rind , int cind )
{
if ( rows == 2 )
{
for ( int k = 0 ; k < cols ; k += 2 )
{
c ++ ;
for ( int i = 0 ; i < 2 ; i ++ )
{
for ( int j = 0 ; j < 2 ; j ++ )
{
ans [rind+i][cind+k+j] = c ;
}
}
}
}
else if ( cols == 2 )
{
for ( int k = 0 ; k < rows ; k += 2 )
{
c ++ ;
for ( int i = 0 ; i < 2 ; i ++ )
{
for ( int j = 0 ; j < 2 ; j ++ )
{
ans [rind+k+i][cind+j] = c ;
}
}
}
}
else if ( ok (rows-2,cols-2,grps-1))
{
c ++ ;
for ( int i = 0 ; i < rows ; i ++ ) ans [rind+i][cind] = ans [rind+i][cind+cols-1] = c ;
for ( int i = 0 ; i < cols ; i ++ ) ans [rind][cind+i] = ans [rind+rows-1][cind+i] = c ;
solve (rows-2,cols-2,grps-1,rind+1,cind+1) ;
}
else if ( ok (rows,cols-2,grps-rows/2))
{
for ( int k = 0 ; k < rows ; k += 2 )
{
c ++ ;
for ( int i = 0 ; i < 2 ; i ++ )
{
for ( int j = 0 ; j < 2 ; j ++ )
{
ans [rind+k+i][cind+j] = c ;
}
}
}
solve (rows,cols-2,grps-rows/2,rind,cind+2) ;
}
else
{
for ( int k = 0 ; k < cols ; k += 2 )
{
c ++ ;
for ( int i = 0 ; i < 2 ; i ++ )
{
for ( int j = 0 ; j < 2 ; j ++ )
{
ans [rind+j][cind+k+j] = c ;
}
}
}
solve (rows-2,cols,grps-cols/2,rind+2,cind) ;
}
}
int main ()
{
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
// rf () ;
int test ; cin >> test ;
while ( test -- )
{
int rows , cols , grps ; cin >> rows >> cols >> grps ;
if ( !ok (rows,cols,grps) )
{
cout << "NO\n" ;
continue ;
}
ans = vector<vector<int>> (rows,vector<int>(cols)) ;
c = 0 ;
solve (rows,cols,grps,0,0) ;
cout << "YES\n" ;
for ( int i = 0 ; i < rows ; i ++ )
{
for ( int j = 0 ; j < cols ; j ++ )
{
cout << ans [i][j] << " " ;
}
cout << "\n" ;
}
}
}
Compilation message
Main.cpp: In function 'void rf()':
Main.cpp:42:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | freopen ("bai1.inp","r",stdin) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
1068 KB |
Correct! Azusa and Laika like the garden :) |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
1068 KB |
Correct! Azusa and Laika like the garden :) |
2 |
Correct |
8 ms |
980 KB |
Correct! Azusa and Laika like the garden :) |
3 |
Correct |
8 ms |
604 KB |
Correct! Azusa and Laika like the garden :) |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
1068 KB |
Correct! Azusa and Laika like the garden :) |
2 |
Correct |
8 ms |
980 KB |
Correct! Azusa and Laika like the garden :) |
3 |
Correct |
8 ms |
604 KB |
Correct! Azusa and Laika like the garden :) |
4 |
Failed |
8 ms |
604 KB |
Output contains values not between 1 and k |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Failed |
11 ms |
604 KB |
Output contains values not between 1 and k |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Failed |
3 ms |
348 KB |
Output contains values not between 1 and k |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
1068 KB |
Correct! Azusa and Laika like the garden :) |
2 |
Correct |
8 ms |
980 KB |
Correct! Azusa and Laika like the garden :) |
3 |
Correct |
8 ms |
604 KB |
Correct! Azusa and Laika like the garden :) |
4 |
Failed |
8 ms |
604 KB |
Output contains values not between 1 and k |
5 |
Halted |
0 ms |
0 KB |
- |