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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#111918#5438. Half MixedshihoghmeanWA 31ms5500kbC++172.3kb2023-06-09 10:02:552023-06-09 10:02:59

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.
  • [2023-06-09 10:02:59]
  • 评测
  • 测评结果:WA
  • 用时:31ms
  • 内存:5500kb
  • [2023-06-09 10:02:55]
  • 提交

answer


#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define fo(i,a,b) for(int i=a;i<=b;i++)
#define fr(i,a,b) for(int i=a;i>=b;i--)
#define py puts("Yes")
#define pn puts("No")
#define pt puts("")
#define pb push_back
#define wt(x) write(x),puts("")
#define wr(x) write(x) ,putchar(' ')
#define tx printf("fds")
#define mp make_pair
#define fi first
#define se second
inline int read(){
	int x=0,k=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){
		if(ch=='-') k=-1;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=(x<<1)+(x<<3)+ch-48;
		ch=getchar();
	}
	return x*k;
}
void write(int x){
	if(x<0){
		x=-x;
		putchar('-');
	}
	if(x>9) write(x/10);
	putchar(x%10+'0');
}
int power(int x,int y,int mod){
	int num=1;
	while(y){
		if(y&1) num=(num*x)%mod;
		x=x*x%mod;
		y>>=1;
	}
	return num;
}
int mul(int x,int y,int mod){
	int num=0;
	while(y){
		if(y&1) num=(num+x)%mod;
		x=(x+x)%mod;
		y>>=1;
	}
	return num;
}
const int N=1e6+7,mod=998244353;
int n,m,tot,cnt,ans,k;
int a,b;
int c[N];
int st[N],top;
int get(int x){
    int l=1,r=x,p=1;
    while(l<=r){
        int mid=(l+r)>>1;
        if(mid*(mid+1)/2<=x) l=mid+1,p=mid;
        else r=mid-1;
    }
    return p;
}
signed main(){
	int tt=read();
	while(tt--){
		n=read();
        m=read();
        if(((n+1)*n*m*(m+1)/4)%2==1){
            pn;
            continue;
        }
        py;
        if(n*(n+1)%4==0){
            a=n;b=m;
        }
        else b=n,a=m;
        k=a*(a+1)/4;
        int now=a,la=0;
        top=0;
        fo(i,1,a){
            if((k-now)>=(la+1)*(la+2)/2-(la)*(la+1)/2-1){
                now+=(la+1)*(la+2)/2-(la)*(la+1)/2-1;
                la++;
            }
            else{
                st[++top]=la;
                la=1;
            }
        }
        st[++top]=la;
        int now1=0,tp=0;
        fo(i,1,top){
            fo(j,1,st[top]) c[++now1]=tp;
            tp^=1;
        }
        if(n*(n+1)%4==0){
            fo(i,1,n){
                fo(j,1,m){
                    wr(c[i]);
                }
                pt;
            }
        }
        else{
            fo(i,1,n){
                fo(j,1,m){
                    wr(c[j]);
                }
                pt;
            }
        }
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 5500kb

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: 31ms
memory: 3476kb

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

result:

wrong answer 11 Mixed Submatrices Found, but 14 Expected (test case 22)