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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
#113986#6309. AqretarjenAC ✓574ms128400kbC++173.1kb2023-06-20 13:51:322023-06-20 13:51:35

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.
  • [2023-06-20 13:51:35]
  • 评测
  • 测评结果:AC
  • 用时:574ms
  • 内存:128400kb
  • [2023-06-20 13:51:32]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
int gmax(int &x,int y){
    if(y>x){
        x=y;return 1;
    }
    else return 0;
}
void solve()
{
    int n,m;
    cin>>n>>m;
    bool Rev=false;
    if(n>m){
        Rev=true;swap(n,m);
    }
    vector<vector<int>> ans(n,vector<int>(m));
    int mx=0;
    function<bool(int,int)> in = [&](int x,int y){
        return x>=0&&x<n&&y>=0&&y<m;
    };
    function<int(vector<vector<int>>&)> cal = [&](vector<vector<int>>&a){
        vector<vector<bool>> vis(n,vector<bool>(m,false));
        int tot=0,cnt=0;
        function<void(int,int)> dfs = [&](int x,int y){
            int fx[4]={0,-1,0,1};
            int fy[4]={1,0,-1,0};
            cnt++;
            vis[x][y]=true;
            for(int z=0;z<4;z++)if(in(fx[z]+x,fy[z]+y)&&!vis[fx[z]+x][fy[z]+y]&&a[fx[z]+x][fy[z]+y]==1){
                dfs(fx[z]+x,fy[z]+y);
            }
        };
        for(int i=0;i<n;i++){
            for(int j=0;j<m;j++)if(!vis[i][j]&&a[i][j]==1){
                if(++tot>=2)return 0;
                dfs(i,j);
            }
        }
        return cnt;
    };
    if(n==1){
        for(int i=0;i<min(3,m);i++)ans[0][i]=1;
    }
    else if(n==2){
        if(m<=3){
            for(int i=0;i<n;i++){
                for(int j=0;j<m;j++)ans[i][j]=1;
            }
        }
        else{
            for(int i=0;i<n;i++){
                for(int j=0;j<m;j++){
                    if(j%2==0)ans[i][j]=1;
                    else{
                        if(((j+1)/2)%2==i)ans[i][j]=0;
                        else ans[i][j]=1;
                    }
                }
            }
        }
    }
    else if(n==3){
        for(int x=0;x<4;x++){
            for(int y=0;y<4;y++){
                for(int z=0;z<4;z++){
                    vector<int> g=vector<int>{x,y,z};
                    vector<vector<int>> a(n,vector<int>(m,1));
                    for(int i=0;i<n;i++){
                        for(int j=0;j<m;j++)if(j%4==g[i])a[i][j]=0;
                    }
                    int q=cal(a);
                    if(gmax(mx,q))ans=a;
                }
            }
        }
    }
    else if(n>=4){
        vector<int> g(4);iota(g.begin(),g.end(),0);
        int Cnt=0;
        do{
            Cnt++;
            vector<vector<int>> a(n,vector<int>(m,1));
            for(int i=0;i<n;i++){
                for(int j=0;j<m;j++){
                    if(j%4==g[i%4])a[i][j]=0;
                }
            }
            int z=cal(a);
            if(gmax(mx,z))ans=a;
        }while(next_permutation(g.begin(),g.end()));
        assert(Cnt==24);
    }
    mx=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<m;j++)mx+=ans[i][j];
    }
    cout<<mx<<"\n";
    // if(Rev);
    if(Rev){
        for(int i=0;i<m;i++){
            for(int j=0;j<n;j++)cout<<ans[j][i];
            cout<<"\n";
        }
    }
    else{
        for(int i=0;i<n;i++){
            for(int j=0;j<m;j++)cout<<ans[i][j];
            cout<<"\n";
        }
    }
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int T;cin>>T;while(T--)solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3452kb

input:

3
2 2
3 4
3 8

output:

4
11
11
9
0111
0111
0111
18
01110111
01110111
11011101

result:

ok ok (3 test cases)

Test #2:

score: 0
Accepted
time: 30ms
memory: 3524kb

input:

361
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 12
2 13
2 14
2 15
2 16
2 17
2 18
2 19
2 20
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
3 10
3 11
3 12
3 13
3 14
3 15
3 16
3 17
3 18
3 19
3 20
4 2
4 3
4 4
4 5
4 6
4 7
4 8
4 9
4 10
4 11
4 12
4 13
4 14
4 15
4 16
4 17
4 18
4 19
4 20
5 2
5 3
5 4
5 5
5 6
5 7
5 8
5 9
5 1...

output:

4
11
11
6
111
111
6
1110
1011
8
11101
10111
9
111011
101110
11
1110111
1011101
12
11101110
10111011
14
111011101
101110111
15
1110111011
1011101110
17
11101110111
10111011101
18
111011101110
101110111011
20
1110111011101
1011101110111
21
11101110111011
10111011101110
23
111011101110111
1011101110111...

result:

ok ok (361 test cases)

Test #3:

score: 0
Accepted
time: 375ms
memory: 4780kb

input:

100
91 91
91 92
91 93
91 94
91 95
91 96
91 97
91 98
91 99
91 100
92 91
92 92
92 93
92 94
92 95
92 96
92 97
92 98
92 99
92 100
93 91
93 92
93 93
93 94
93 95
93 96
93 97
93 98
93 99
93 100
94 91
94 92
94 93
94 94
94 95
94 96
94 97
94 98
94 99
94 100
95 91
95 92
95 93
95 94
95 95
95 96
95 97
95 98
95 9...

output:

6211
0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111
1101110111011101110...

result:

ok ok (100 test cases)

Test #4:

score: 0
Accepted
time: 419ms
memory: 11296kb

input:

16
247 247
247 248
247 249
247 250
248 247
248 248
248 249
248 250
249 247
249 248
249 249
249 250
250 247
250 248
250 249
250 250

output:

45757
0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011
1011101110111011101110111011101110111011101110...

result:

ok ok (16 test cases)

Test #5:

score: 0
Accepted
time: 545ms
memory: 127380kb

input:

1
997 997

output:

745507
10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #6:

score: 0
Accepted
time: 539ms
memory: 127684kb

input:

1
997 998

output:

746255
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #7:

score: 0
Accepted
time: 543ms
memory: 127816kb

input:

1
997 999

output:

747003
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #8:

score: 0
Accepted
time: 527ms
memory: 127952kb

input:

1
997 1000

output:

747750
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #9:

score: 0
Accepted
time: 536ms
memory: 127776kb

input:

1
998 997

output:

746255
10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #10:

score: 0
Accepted
time: 541ms
memory: 127960kb

input:

1
998 998

output:

747004
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #11:

score: 0
Accepted
time: 540ms
memory: 128060kb

input:

1
998 999

output:

747752
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #12:

score: 0
Accepted
time: 532ms
memory: 128136kb

input:

1
998 1000

output:

748500
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #13:

score: 0
Accepted
time: 534ms
memory: 127776kb

input:

1
999 997

output:

747003
10111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #14:

score: 0
Accepted
time: 550ms
memory: 128060kb

input:

1
999 998

output:

747752
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #15:

score: 0
Accepted
time: 529ms
memory: 128012kb

input:

1
999 999

output:

748501
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #16:

score: 0
Accepted
time: 515ms
memory: 128076kb

input:

1
999 1000

output:

749250
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #17:

score: 0
Accepted
time: 530ms
memory: 127924kb

input:

1
1000 997

output:

747750
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #18:

score: 0
Accepted
time: 540ms
memory: 128088kb

input:

1
1000 998

output:

748500
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #19:

score: 0
Accepted
time: 574ms
memory: 128180kb

input:

1
1000 999

output:

749250
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #20:

score: 0
Accepted
time: 555ms
memory: 128400kb

input:

1
1000 1000

output:

750000
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #21:

score: 0
Accepted
time: 3ms
memory: 3808kb

input:

1
3 997

output:

2244
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #22:

score: 0
Accepted
time: 3ms
memory: 3764kb

input:

1
3 998

output:

2246
0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #23:

score: 0
Accepted
time: 3ms
memory: 3780kb

input:

1
3 999

output:

2249
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #24:

score: 0
Accepted
time: 3ms
memory: 3784kb

input:

1
3 1000

output:

2250
0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #25:

score: 0
Accepted
time: 3ms
memory: 3708kb

input:

1
997 3

output:

2244
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001...

result:

ok ok (1 test case)

Test #26:

score: 0
Accepted
time: 1ms
memory: 3780kb

input:

1
998 3

output:

2246
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111...

result:

ok ok (1 test case)

Test #27:

score: 0
Accepted
time: 3ms
memory: 3704kb

input:

1
999 3

output:

2249
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011
111
100
111
011...

result:

ok ok (1 test case)

Test #28:

score: 0
Accepted
time: 3ms
memory: 3820kb

input:

1
1000 3

output:

2250
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111
110
111
001
111...

result:

ok ok (1 test case)

Test #29:

score: 0
Accepted
time: 1ms
memory: 3540kb

input:

1
2 997

output:

1496
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #30:

score: 0
Accepted
time: 1ms
memory: 3512kb

input:

1
2 998

output:

1497
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #31:

score: 0
Accepted
time: 1ms
memory: 3464kb

input:

1
2 999

output:

1499
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #32:

score: 0
Accepted
time: 1ms
memory: 3532kb

input:

1
2 1000

output:

1500
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #33:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

1
997 2

output:

1496
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
1...

result:

ok ok (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 3516kb

input:

1
998 2

output:

1497
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
1...

result:

ok ok (1 test case)

Test #35:

score: 0
Accepted
time: 1ms
memory: 3464kb

input:

1
999 2

output:

1499
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
11
10
11
01
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1...

result:

ok ok (1 test case)

Test #36:

score: 0
Accepted
time: 1ms
memory: 3556kb

input:

1
1000 2

output:

1500
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1...

result:

ok ok (1 test case)