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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#74225#5438. Half Mixedzhangboju#WA 54ms3436kbC++141.4kb2023-01-31 10:11:432023-01-31 10:11:46

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-01-31 10:11:46]
  • 评测
  • 测评结果:WA
  • 用时:54ms
  • 内存:3436kb
  • [2023-01-31 10:11:43]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
template <typename T> inline void read(T &x)
{
	x=0;short f=1;char c=getchar();
	for(;c<'0'||c>'9';c=getchar()) if(c=='-') f=-1;
	for(;c>='0'&&c<='9';c=getchar()) x=(x<<1)+(x<<3)+(c^48);
	x*=f;return;
}
#define ll long long
int n,m;
int get(ll x,int up)
{
	int l=1,r=up,ans=l;
	while(l<=r)
	{
		int mid=l+r>>1;
		if(1ll*mid*(mid+1)/2<=x) l=mid+1,ans=mid;
		else r=mid-1;
	}
	return ans;
}
void solve()
{
	read(n),read(m);
	if(1ll*n*(n+1)/2%2==1&&1ll*m*(m+1)/2%2==1)
		return puts("No"),void();
	if(1ll*m*(m+1)/2%2==0)
	{
		vector<int>v;
		ll t=1ll*m*(m+1)/4-m;
		int len=m,cnt=0;
		while(t&&len)
		{
			int x=get(t,len);
			v.push_back(x);
			len-=x,t-=1ll*x*(x+1)/2;
		}
		while(cnt<m) v.push_back(1),++cnt;
		puts("Yes");
		for(int i=1;i<=n;++i)
		{
			int c=1;
			for(int x:v)
			{
				while(x--) putchar(c+'0'),putchar(' ');
				c^=1;
			}
			putchar('\n');
		}
	}
	else
	{
		vector<int>v;
		ll t=1ll*n*(n+1)/4-n;
		int len=n,cnt=0;
		while(t&&len)
		{
			int x=get(t,len);
			v.push_back(x);
			len-=x,t-=1ll*x*(x+1)/2;
		}
		while(cnt<n) v.push_back(1),++cnt;
		puts("Yes");
		int c=1;
		for(int x:v)
		{
			while(x--)
			{
				for(int i=1;i<=m;++i)
					putchar(c+'0'),putchar(' ');
				putchar('\n');
			}
			c^=1;
		}
	}
}
int main()
{
	int T;read(T);
	while(T--) solve();
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3436kb

input:

2
2 3
1 1

output:

Yes
1 0 1 
1 0 1 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 54ms
memory: 3284kb

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

result:

wrong answer 6 Mixed Submatrices Found, but 5 Expected (test case 7)