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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
#776219#5438. Half MixedTraveler#RE 0ms14900kbC++202.0kb2024-11-23 17:56:232024-11-23 17:56:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 17:56:24]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:14900kb
  • [2024-11-23 17:56:23]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define MAXN 1000000
using namespace std;
int T;
int N,M;
int ans[MAXN+5],tp=0;
int st[MAXN+5],newp;
int B[MAXN+5];
int flag;
void DFS(int n,int num){
    if(flag)return;
    if(num==0 && n==0){
        newp=0;
        for(int i=1;i<=tp;i++){
            st[++newp]=ans[i];
        }
        flag=1;
        return;
    }
    if(n*2>num)return;
    if(n*2==num){
        for(int i=1;i*2<=num;i++){
            ans[++tp]=1;
        }
        DFS(0,0);
    }
    int k=upper_bound(B+1,B+1+MAXN,num)-B;
    for(int i=k-1;i>=1;i--){
        if(n*(i+1)<num)break;
        ans[++tp]=i;
        DFS(n-i,num-(i*(i+1)));
        tp--;
    }
}
signed main()
{
    for(int i=1;i<=MAXN;i++){
        B[i]=i*(i+1);
    }
    cin>>T;
    while(T--){
        cin>>N>>M;
        int c=0;
        if(M%4==0 || (M+1)%4==0){
            swap(N,M);
            c=1;
        }
        if(N%4!=0 &&(N+1)%4!=0){
            cout<<"No\n";
            continue;
        }
        else{
            cout<<"Yes\n";
        }
        vector<vector<int> > a(N+1,vector<int>(M+1));
        tp=0;
        flag=0;
        DFS(N,N*(N+1)/2);
        /*for(int i=1;i<=newp;i++){
            cout<<st[i]<<" ";
        }
        cout<<'\n';*/

        int op=0,k=1,tmp=1;
        while(tmp<=N){
            for(int i=1;i<=st[k];i++){
                for(int j=1;j<=M;j++){
                    a[tmp+i-1][j]=op;
                }
            }
            k++;
            tmp+=st[k];
            op^=1;
        }
        if(!c){
            for(int i=1;i<=N;i++){
                for(int j=1;j<=M;j++){
                    cout<<a[i][j]<<" ";
                }
                cout<<'\n';
            }
        }
        else{
            for(int j=1;j<=M;j++){
                for(int i=1;i<=N;i++){
                    cout<<a[i][j]<<" ";
                }
                cout<<'\n';
            }
        }
    }

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 14900kb

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
Runtime Error

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

result: