QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#99095#6309. AqreFanch100AC ✓239ms19712kbC++142.8kb2023-04-21 10:45:332023-04-21 10:45:34

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.
  • [2023-04-21 10:45:34]
  • 评测
  • 测评结果:AC
  • 用时:239ms
  • 内存:19712kb
  • [2023-04-21 10:45:33]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N = 1010;
int a[4][4]={
    {1,1,1,0},
    {1,0,1,1},
    {1,1,0,1},
    {0,1,1,1}
};
int n, m;
int b[N][N], c[N][N], id[N][N];
int nxt[N*N];
int get(int x){return x==nxt[x]?x:nxt[x]=get(nxt[x]);}
int solve(int x,int y){
    int ans=0;
    for (int i=1;i<=n;++i){
        for (int j=1;j<=m;++j){
            b[i][j]=a[(i+x)%4][(j+y)%4];
            ans+=b[i][j];
        }
    }
    int idx=0;
    for (int i=1;i<=n;++i){
        for (int j=1;j<=m;++j) id[i][j]=++idx, nxt[idx]=idx;
    }
    for (int i=1;i<=n;++i){
        for (int j=1;j<=m;++j){
            if (b[i][j]){
                int cnt=0;
                if (i>1 && b[i-1][j]==1) nxt[get(id[i-1][j])]=get(id[i][j]);
                if (j>1 && b[i][j-1]==1) nxt[get(id[i][j-1])]=get(id[i][j]);
                if (i<n && b[i+1][j]==1) nxt[get(id[i+1][j])]=get(id[i][j]);
                if (j<m && b[i][j+1]==1) nxt[get(id[i][j+1])]=get(id[i][j]);
            }
        }
    }
    int cnt=0;
    for (int i=1;i<=n;++i){
        for (int j=1;j<=m;++j) cnt+=(b[i][j] && get(id[i][j])==id[i][j]);
    }
    if (cnt>1) ans=0;
    return ans;
}
void solve(){
    cin>>n>>m;
    if (n<=3 && m<=3){
        printf("%d\n",n*m);
        for (int i=1;i<=n;++i){
            for (int j=1;j<=m;++j) printf("%d",1); puts("");
        }
        return;
    }
    bool rev=0;
    if (n>m) swap(n,m),rev=1;
    int ans=0;
    if (n==3 && m%4==3){
        for (int i=1;i<=n;++i){
            for (int j=1;j<=m;++j){
                if (j<=3){
                    if (j==2 && i==2) b[i][j]=0;
                    else b[i][j]=1,ans++;
                }
                else if (i==1 || i==3){
                    if ((j-3)%4==1) b[i][j]=0;
                    else b[i][j]=1,ans++;
                }
                else{
                    if ((j-3)%4==3) b[i][j]=0;
                    else b[i][j]=1,ans++;
                }
            }
        }
        if (rev) swap(n,m);
        for (int i=1;i<=n;++i){
            for (int j=1;j<=m;++j) c[i][j]=(rev?b[j][i]:b[i][j]);
        }

    }
    else{
        if (rev) swap(n,m);
        for (int i=0;i<4;++i){
            for (int j=0;j<4;++j){
                int mx=solve(i,j);
                if (mx>ans){
                    ans=mx;
                    for (int k=1;k<=n;++k){
                        for (int l=1;l<=m;++l) c[k][l]=b[k][l];
                    }
                }
            }
        }
    }

    printf("%d\n",ans);
    for (int i=1;i<=n;++i){
        for (int j=1;j<=m;++j) printf("%d",c[i][j]);
        puts("");
    }
}
int main(){
//    for (int i=0;i<4;++i){
//        for (int j=0;j<4;++j) printf("%d ",a[i][j]); puts("");
//    }
    int t; cin>>t;
    while(t--) solve();

    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 9724kb

input:

3
2 2
3 4
3 8

output:

4
11
11
9
0111
1011
1110
18
01110111
10111011
11101110

result:

ok ok (3 test cases)

Test #2:

score: 0
Accepted
time: 16ms
memory: 9652kb

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
0111
8
10111
11101
9
101110
111011
11
1011101
1110111
12
10111011
11101110
14
101110111
111011101
15
1011101110
1110111011
17
10111011101
11101110111
18
101110111011
111011101110
20
1011101110111
1110111011101
21
10111011101110
11101110111011
23
101110111011101
1110111011101...

result:

ok ok (361 test cases)

Test #3:

score: 0
Accepted
time: 209ms
memory: 13800kb

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: 228ms
memory: 18224kb

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: 218ms
memory: 19328kb

input:

1
997 997

output:

745507
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #6:

score: 0
Accepted
time: 225ms
memory: 19400kb

input:

1
997 998

output:

746255
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #7:

score: 0
Accepted
time: 218ms
memory: 19416kb

input:

1
997 999

output:

747003
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #8:

score: 0
Accepted
time: 219ms
memory: 19392kb

input:

1
997 1000

output:

747750
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #9:

score: 0
Accepted
time: 239ms
memory: 19656kb

input:

1
998 997

output:

746255
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #10:

score: 0
Accepted
time: 216ms
memory: 19468kb

input:

1
998 998

output:

747004
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #11:

score: 0
Accepted
time: 217ms
memory: 19596kb

input:

1
998 999

output:

747752
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #12:

score: 0
Accepted
time: 209ms
memory: 19456kb

input:

1
998 1000

output:

748500
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #13:

score: 0
Accepted
time: 204ms
memory: 19472kb

input:

1
999 997

output:

747003
11011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #14:

score: 0
Accepted
time: 228ms
memory: 19420kb

input:

1
999 998

output:

747752
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #15:

score: 0
Accepted
time: 220ms
memory: 19656kb

input:

1
999 999

output:

748501
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #16:

score: 0
Accepted
time: 228ms
memory: 19712kb

input:

1
999 1000

output:

749250
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #17:

score: 0
Accepted
time: 229ms
memory: 19664kb

input:

1
1000 997

output:

747750
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #18:

score: 0
Accepted
time: 219ms
memory: 19472kb

input:

1
1000 998

output:

748500
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #19:

score: 0
Accepted
time: 222ms
memory: 19420kb

input:

1
1000 999

output:

749250
01110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #20:

score: 0
Accepted
time: 232ms
memory: 19472kb

input:

1
1000 1000

output:

750000
11101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #21:

score: 0
Accepted
time: 0ms
memory: 9716kb

input:

1
3 997

output:

2244
1101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110...

result:

ok ok (1 test case)

Test #22:

score: 0
Accepted
time: 2ms
memory: 9684kb

input:

1
3 998

output:

2246
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #23:

score: 0
Accepted
time: 3ms
memory: 7544kb

input:

1
3 999

output:

2249
1110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111...

result:

ok ok (1 test case)

Test #24:

score: 0
Accepted
time: 0ms
memory: 9732kb

input:

1
3 1000

output:

2250
0111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011...

result:

ok ok (1 test case)

Test #25:

score: 0
Accepted
time: 7ms
memory: 17312kb

input:

1
997 3

output:

2244
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011...

result:

ok ok (1 test case)

Test #26:

score: 0
Accepted
time: 1ms
memory: 15676kb

input:

1
998 3

output:

2246
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011
110
101
111
011...

result:

ok ok (1 test case)

Test #27:

score: 0
Accepted
time: 0ms
memory: 9668kb

input:

1
999 3

output:

2249
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101
111
010
111
101...

result:

ok ok (1 test case)

Test #28:

score: 0
Accepted
time: 1ms
memory: 17212kb

input:

1
1000 3

output:

2250
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101
111
110
011
101...

result:

ok ok (1 test case)

Test #29:

score: 0
Accepted
time: 3ms
memory: 9724kb

input:

1
2 997

output:

1496
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #30:

score: 0
Accepted
time: 4ms
memory: 9912kb

input:

1
2 998

output:

1497
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #31:

score: 0
Accepted
time: 1ms
memory: 9916kb

input:

1
2 999

output:

1499
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #32:

score: 0
Accepted
time: 0ms
memory: 9592kb

input:

1
2 1000

output:

1500
1011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101110111011101...

result:

ok ok (1 test case)

Test #33:

score: 0
Accepted
time: 1ms
memory: 16828kb

input:

1
997 2

output:

1496
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
11
01
1...

result:

ok ok (1 test case)

Test #34:

score: 0
Accepted
time: 1ms
memory: 15804kb

input:

1
998 2

output:

1497
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
11
01
1...

result:

ok ok (1 test case)

Test #35:

score: 0
Accepted
time: 2ms
memory: 17328kb

input:

1
999 2

output:

1499
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
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1...

result:

ok ok (1 test case)

Test #36:

score: 0
Accepted
time: 0ms
memory: 16768kb

input:

1
1000 2

output:

1500
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1...

result:

ok ok (1 test case)