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 |
---|---|---|---|---|---|---|---|---|---|
#412573 | #6563. Four Square | grass8cow# | AC ✓ | 1ms | 3852kb | C++17 | 1.5kb | 2024-05-16 16:12:20 | 2024-05-16 16:12:22 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define pi pair<int,int>
#define fi first
#define ll long long
#define se second
#define mp make_pair
#define pb push_back
bool chk(vector<pi>g,int a,int b){
if(g.empty())return 1;
vector<pi>g_;int sz=g.size();
for(int i=0;i<sz;i++){
g_.clear();for(int j=0;j<sz;j++)if(i!=j)g_.pb(g[j]);
pi e=g[i];
if(a==e.fi&&chk(g_,a,b-e.se))return 1;
swap(e.fi,e.se);
if(a==e.fi&&chk(g_,a,b-e.se))return 1;
swap(a,b);
if(a==e.fi&&chk(g_,a,b-e.se))return 1;
swap(e.fi,e.se);
if(a==e.fi&&chk(g_,a,b-e.se))return 1;
swap(a,b);
}
if(g.size()<4)return 0;
for(int o=0;o<2;o++){
swap(a,b);
for(int t=0;t<2;t++){
swap(g[0].fi,g[0].se);
for(int j=1;j<sz;j++){
for(int z=0;z<2;z++){
swap(g[j].fi,g[j].se);
if(g[j].se==g[0].se&&g[j].fi+g[0].fi==a){
g_.clear();
for(int k=1;k<sz;k++)if(k!=j)g_.pb(g[k]);
if(chk(g_,a,b-g[0].se))return 1;
}
}
}
}
}
return 0;
}
int main(){
vector<pi>o;ll su=0;
for(int i=0;i<4;i++){
ll x,y;scanf("%lld%lld",&x,&y);
o.pb(mp(x,y)),su+=x*y;
}
ll E=sqrt(su);if(E*E!=su){puts("0");return 0;}
puts(chk(o,E,E)?"1":"0");
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3600kb
input:
1 1 1 1 1 1 1 1
output:
1
result:
ok single line: '1'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3468kb
input:
3 1 3 3 2 2 3 3
output:
0
result:
ok single line: '0'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
2 8 2 8 2 8 2 8
output:
1
result:
ok single line: '1'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
5 3 5 5 3 3 3 5
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3840kb
input:
1 2 4 8 16 32 64 128
output:
0
result:
ok single line: '0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3848kb
input:
4 4 2 1 4 4 2 1
output:
0
result:
ok single line: '0'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3544kb
input:
995 51 559 565 154 536 56 780
output:
0
result:
ok single line: '0'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
391 694 540 42 240 937 691 246
output:
0
result:
ok single line: '0'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
519 411 782 710 299 45 21 397
output:
0
result:
ok single line: '0'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
96 960 948 18 108 82 371 576
output:
0
result:
ok single line: '0'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
3 2 4 3 3 1 1 4
output:
0
result:
ok single line: '0'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3660kb
input:
4 3 1 2 4 4 3 2
output:
0
result:
ok single line: '0'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
4 4 1 3 5 4 2 5
output:
0
result:
ok single line: '0'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3464kb
input:
1000 1000 1000 1000 1000 1000 1000 1000
output:
1
result:
ok single line: '1'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3468kb
input:
1000 999 998 1000 997 1000 997 997
output:
1
result:
ok single line: '1'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
1 3 3 3 3 3 4 7
output:
1
result:
ok single line: '1'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
2 5 5 4 7 1 6 2
output:
1
result:
ok single line: '1'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
12 2 12 7 7 12 16 4
output:
1
result:
ok single line: '1'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
7 2 2 14 5 14 7 12
output:
1
result:
ok single line: '1'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
32 36 5 1 1 37 35 5
output:
1
result:
ok single line: '1'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3472kb
input:
28 30 30 1 31 1 2 30
output:
1
result:
ok single line: '1'
Test #22:
score: 0
Accepted
time: 1ms
memory: 3580kb
input:
66 68 9 11 7 66 9 64
output:
1
result:
ok single line: '1'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
59 44 25 44 40 32 40 52
output:
1
result:
ok single line: '1'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
4 4 2 3 4 2 3 2
output:
1
result:
ok single line: '1'