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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#628532#5438. Half Mixed523555337WA 200ms12400kbC++142.3kb2024-10-10 20:48:552024-10-10 20:48:55

Judging History

你现在查看的是最新测评结果

  • [2024-10-10 20:48:55]
  • 评测
  • 测评结果:WA
  • 用时:200ms
  • 内存:12400kb
  • [2024-10-10 20:48:55]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
#define ll long long
#define ull unsigned long long
#define mp make_pair
#define pb push_back
#define se second
#define fi first
#define ret(i,a,b) for(int i = (a);i<=(b);++i)
const int N=1e5+5;
const int M=1e6+5;
const ll inf=1e18;
const ll mod=998244353;
ll ksm(ll a,ll b)
{
	ll ret=1;
	while(b)
	{
		if(b&1) ret=ret*a%mod;
		a=a*a%mod;
		b>>=1;
	}
	return ret;
}
inline int read()
{
    int x=0,f=1;
    char ch=getchar();
    while(ch<'0'||ch>'9')
	{
        if(ch=='-')
            f=-1;
        ch=getchar();
    }
    while(ch>='0'&&ch<='9')
	{
        x=(x<<1)+(x<<3)+(ch^48);
        ch=getchar();
    }
    return x*f;
}
ll n,m,k;
ll p[M],ans[M];
void init()
{
	ret(i,1,M) p[i]=1ll*i*i;
	return ;
}
void work(ll num)
{
	ll tot=0;
	//int k=0;
	ll anss=0;
	int ff=0;
	while(tot!=m)
	{
		//printf("m=%lld\n",m);
		ll t=upper_bound(p+1,p+M+1,(m*m-m)/2-anss)-p-1;
		//printf("tot=%d,t=%d,anss=%lld\n",tot,t,anss);
		//while((p[t]+anss)*2>(m*m-m)) t--;
		while(1)
		{
			if(m-tot-t>(m*m-m)/2-anss-p[t]||p[t]+anss>(m*m-m)/2) t--;
			else break;
		 } 
		anss+=p[t];
		tot+=t;
		ans[++k]=t;
		//printf("tot=%d,t=%d,anss=%lld\n",tot,t,anss);
		ff++;
		if(ff>=10) break;
	}
	return ;
}
void solve()
{
	cin>>n>>m;
	k=0;
	if((n*(n+1)/2)%2==1&&(m*(m+1)/2)%2==1)
	{
		cout<<"No\n";
		return ;
	}
	bool swaped=0;
	if(n*(n+1)%4==0)
	{
		swap(n,m);
		swaped=1;
	}
	work(m);
	
	cout<<"Yes\n";
	
	if(!swaped)
	{
		vector<vector<int>> y(n+1,vector<int>(m+1));
		int w=0;
		int tot=0;
		ret(i,1,k)
		{
			
			ret(j,1,ans[i])
			{
				++tot;
				ret(x,1,n)
				{
					y[x][tot]=w;
				}
			}
			w=1-w;
		}
		ret(i,1,n)
		{
			ret(j,1,m)
			  cout<<y[i][j]<<" ";
			cout<<endl;
		}
	}
	else
	{
		vector<vector<int>> y(m+1,vector<int>(n+1));
		int w=0;
		int tot=0;
		ret(i,1,k)
		{
			ret(j,1,ans[i])
			{
				++tot;
				ret(x,1,n)
				{
					y[tot][x]=w;
				}
			}
			w=1-w;
		}
		ret(i,1,m)
		{
			ret(j,1,n)
			  cout<<y[i][j]<<" ";
			cout<<endl;
		}
	}
	//ret(i,1,k) cout<<ans[i]<<" ";
	//cout<<endl;
	return ;
}
int main()
{
	ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
	int _=1;
	cin>>_;
	init();
	while(_--) solve();
	return 0;
}




Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 11764kb

input:

2
2 3
1 1

output:

Yes
0 1 0 
0 1 0 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 200ms
memory: 12400kb

input:

5382
1 1
1 2
2 1
1 3
2 2
3 1
1 4
2 3
3 2
4 1
1 5
2 4
3 3
4 2
5 1
1 6
2 5
3 4
4 3
5 2
6 1
1 7
2 6
3 5
4 4
5 3
6 2
7 1
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
1 9
2 8
3 7
4 6
5 5
6 4
7 3
8 2
9 1
1 10
2 9
3 8
4 7
5 6
6 5
7 4
8 3
9 2
10 1
1 11
2 10
3 9
4 8
5 7
6 6
7 5
8 4
9 3
10 2
11 1
1 12
2 11
3 10
4 9
5 8
6 ...

output:

No
No
No
Yes
0 1 0 
No
Yes
0 
1 
0 
Yes
0 0 1 0 
Yes
0 1 0 
0 1 0 
Yes
0 0 
1 1 
0 0 
Yes
0 
0 
1 
0 
No
Yes
0 0 1 0 
0 0 1 0 
Yes
0 0 0 
1 1 1 
0 0 0 
Yes
0 0 
0 0 
1 1 
0 0 
No
No
No
Yes
0 0 0 0 
1 1 1 1 
0 0 0 0 
Yes
0 0 0 
0 0 0 
1 1 1 
0 0 0 
No
No
Yes
0 0 0 0 1 1 0 
No
Yes
0 0 0 0 0 
1 1 1 1 1...

result:

wrong answer 387 Mixed Submatrices Found, but 390 Expected (test case 742)