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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
#111045#6563. Four SquareOOBMABTRAMS#AC ✓13ms27000kbC++171.4kb2023-06-05 17:13:452023-06-05 17:13:46

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.
  • [2023-06-05 17:13:46]
  • 评测
  • 测评结果:AC
  • 用时:13ms
  • 内存:27000kb
  • [2023-06-05 17:13:45]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int mod=998244353;
typedef long long ll;
typedef long double ld;
int input=0;
const ll inf=2e18;
const int N=4;
int S,n;
int a[N],b[N];
int g[3013][3013];
pair<int,int>find(){
    for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(!g[i][j])return {i,j};
}
int vis[N];
void dfs(int xx,int cnt){
    auto[x,y]=find();
    int f=1;
    if(x+a[xx]-1>n||y+b[xx]-1>n)return;
    for(int i=x;i<x+a[xx]&&f;i++)for(int j=y;j<y+b[xx]&&f;j++)if(g[i][j])f=0;
    if(!f)return;
    for(int i=x;i<x+a[xx];i++)for(int j=y;j<y+b[xx];j++)g[i][j]=1;
    for(int i:{1,2,3,0})for(int p:{0,1})if(!vis[i]){
        vis[i]=1;
        swap(a[i],b[i]);
        dfs(i,cnt+1);
        vis[i]=0;
    }
    if(cnt==4){
        for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)if(!g[i][j])return;
        cout<<1<<'\n';
        exit(0);
    }
    for(int i=x;i<x+a[xx];i++)for(int j=y;j<y+b[xx];j++)g[i][j]=0;
    vis[xx]=0;
}

void solve(){
    for(int i=0;i<N;i++)cin>>a[i]>>b[i],S+=a[i]*b[i];
    for(int i=1;i<=2000;i++)if(S==i*i)n=i;
    if(!n){
        cout<<0<<'\n';
        return;
    }
    vis[0]=1;
    dfs(0,1);
    cout<<0<<'\n';
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cout<<fixed<<setprecision(10);
    int T;
    if(input)cin>>T;else T=1;
    for(int tc=1;tc<=T;tc++)solve();
}

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3360kb

input:

1 1
1 1
1 1
1 1

output:

1

result:

ok single line: '1'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3360kb

input:

3 1
3 3
2 2
3 3

output:

0

result:

ok single line: '0'

Test #3:

score: 0
Accepted
time: 2ms
memory: 3380kb

input:

2 8
2 8
2 8
2 8

output:

1

result:

ok single line: '1'

Test #4:

score: 0
Accepted
time: 1ms
memory: 3496kb

input:

5 3
5 5
3 3
3 5

output:

1

result:

ok single line: '1'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3260kb

input:

1 2
4 8
16 32
64 128

output:

0

result:

ok single line: '0'

Test #6:

score: 0
Accepted
time: 2ms
memory: 3440kb

input:

4 4
2 1
4 4
2 1

output:

0

result:

ok single line: '0'

Test #7:

score: 0
Accepted
time: 2ms
memory: 3352kb

input:

995 51
559 565
154 536
56 780

output:

0

result:

ok single line: '0'

Test #8:

score: 0
Accepted
time: 2ms
memory: 6764kb

input:

391 694
540 42
240 937
691 246

output:

0

result:

ok single line: '0'

Test #9:

score: 0
Accepted
time: 2ms
memory: 6976kb

input:

519 411
782 710
299 45
21 397

output:

0

result:

ok single line: '0'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3508kb

input:

96 960
948 18
108 82
371 576

output:

0

result:

ok single line: '0'

Test #11:

score: 0
Accepted
time: 2ms
memory: 3316kb

input:

3 2
4 3
3 1
1 4

output:

0

result:

ok single line: '0'

Test #12:

score: 0
Accepted
time: 2ms
memory: 3364kb

input:

4 3
1 2
4 4
3 2

output:

0

result:

ok single line: '0'

Test #13:

score: 0
Accepted
time: 2ms
memory: 3444kb

input:

4 4
1 3
5 4
2 5

output:

0

result:

ok single line: '0'

Test #14:

score: 0
Accepted
time: 8ms
memory: 27000kb

input:

1000 1000
1000 1000
1000 1000
1000 1000

output:

1

result:

ok single line: '1'

Test #15:

score: 0
Accepted
time: 13ms
memory: 26920kb

input:

1000 999
998 1000
997 1000
997 997

output:

1

result:

ok single line: '1'

Test #16:

score: 0
Accepted
time: 2ms
memory: 3432kb

input:

1 3
3 3
3 3
4 7

output:

1

result:

ok single line: '1'

Test #17:

score: 0
Accepted
time: 2ms
memory: 3520kb

input:

2 5
5 4
7 1
6 2

output:

1

result:

ok single line: '1'

Test #18:

score: 0
Accepted
time: 2ms
memory: 3480kb

input:

12 2
12 7
7 12
16 4

output:

1

result:

ok single line: '1'

Test #19:

score: 0
Accepted
time: 1ms
memory: 3404kb

input:

7 2
2 14
5 14
7 12

output:

1

result:

ok single line: '1'

Test #20:

score: 0
Accepted
time: 2ms
memory: 3616kb

input:

32 36
5 1
1 37
35 5

output:

1

result:

ok single line: '1'

Test #21:

score: 0
Accepted
time: 2ms
memory: 3548kb

input:

28 30
30 1
31 1
2 30

output:

1

result:

ok single line: '1'

Test #22:

score: 0
Accepted
time: 2ms
memory: 3676kb

input:

66 68
9 11
7 66
9 64

output:

1

result:

ok single line: '1'

Test #23:

score: 0
Accepted
time: 2ms
memory: 3712kb

input:

59 44
25 44
40 32
40 52

output:

1

result:

ok single line: '1'

Test #24:

score: 0
Accepted
time: 2ms
memory: 3388kb

input:

4 4
2 3
4 2
3 2

output:

1

result:

ok single line: '1'