QOJ.ac
QOJ
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 Square | OOBMABTRAMS# | AC ✓ | 13ms | 27000kb | C++17 | 1.4kb | 2023-06-05 17:13:45 | 2023-06-05 17:13:46 |
Judging History
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();
}
详细
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'