#include<bits/stdc++.h>
#define pii pair<int,int>
#define fi first
#define se second
#define mp make_pair
using namespace std;
const int N=1005;
char ans1[N][N],ans2[N][N];
void solve()
{
int n,m;
cin>>n>>m;
int res1=n;
set<pii>cur;
for(int j=1;j<=m;j++) cur.insert(mp(0,j));
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++) ans1[i][j]='+';
int can=(m-1)/2;
while(!cur.empty()&&can)
{
can--;
auto x=*cur.rbegin();
cur.erase(x);
int col=x.se;
ans1[i][col]='-';
if(x.fi+1>(m-x.fi-1))
{
res1++;
}
else cur.insert(mp(x.fi+1,x.se));
}
}
cur.clear();
int res2=m;
for(int i=1;i<=n;i++) cur.insert(mp(0,i));
for(int j=1;j<=m;j++)
{
for(int i=1;i<=n;i++) ans2[i][j]='-';
int can=(n-1)/2;
while(!cur.empty()&&can)
{
can--;
auto x=*cur.rbegin();
cur.erase(x);
int row=x.se;
ans2[row][j]='+';
if(x.fi+1>(n-x.fi-1))
{
res2++;
}
else cur.insert(mp(x.fi+1,x.se));
}
}
if(res1<res2)
{
swap(res1,res2);
swap(ans1,ans2);
}
cout<<res1<<'\n';
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++) cout<<ans1[i][j];
cout<<'\n';
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin>>t;
while(t--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2284 KB |
Output is correct |
2 |
Incorrect |
10 ms |
2284 KB |
in the table A+B is not equal to 6 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
241 ms |
2412 KB |
in the table A+B is not equal to 48 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2284 KB |
Output is correct |
2 |
Incorrect |
10 ms |
2284 KB |
in the table A+B is not equal to 6 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
425 ms |
3436 KB |
in the table A+B is not equal to 118 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
103 ms |
1644 KB |
in the table A+B is not equal to 44 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2284 KB |
Output is correct |
2 |
Incorrect |
10 ms |
2284 KB |
in the table A+B is not equal to 6 |