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 |
|---|---|---|---|---|---|---|---|---|---|
| #97689 | #6320. Parallel Processing (Hard) | whatever# | WA | 3ms | 3832kb | C++14 | 4.3kb | 2023-04-17 22:20:49 | 2023-04-17 22:20:50 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define mod 998244353
using namespace std;
vector<vector<vector<int> > > ans;
void op(vector<vector<int> > v)
{
/* bitset<2005> A,B,C,D;
A=(s[v[0][1]]^s[v[0][2]]);
B=(s[v[1][1]]^s[v[1][2]]);
C=(s[v[2][1]]^s[v[2][2]]);
D=(s[v[3][1]]^s[v[3][2]]);
s[v[0][0]]=A;
s[v[1][0]]=B;
s[v[2][0]]=C;
s[v[3][0]]=D;*/
ans.push_back(v);
}
int N;
vector<vector<vector<int> > > solve2(int n)
{
ans.clear();
// bitset<2005> s[2005];
int fa[2005]={},cnt[2005]={};
for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
for(int i=1;i<=n;i++)
{
vector<vector<int> > v;
bitset<2005> qwq;
qwq.reset();
int C=4;
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]]&&fa[fa[j]]==0)
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&!qwq[fa[j]]&&fa[fa[j]]==0)
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
if(v.size()==0) break;
while(v.size()<4) v.insert(v.begin(),{v.back()[0],2000,2000});
op(v);
}
return ans;
}
vector<vector<vector<int> > > solve1(int n)
{
ans.clear();
// bitset<2005> s[2005];
int fa[2005]={},cnt[2005]={};
for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
for(int i=1;i<=n;i++)
{
vector<vector<int> > v;
bitset<2005> qwq;
qwq.reset();
int C=4;
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]]&&fa[fa[j]]==0)
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&!qwq[fa[j]]&&fa[fa[j]]==0)
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
if(v.size()==0) break;
while(v.size()<4) v.insert(v.begin(),{v.back()[0],2000,2000});
op(v);
}
return ans;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
// for(int i=1;i<=n;i++) s[i][i]=1;
// for(int i=1;i<=n;i++) fa[i]=i-1,cnt[i-1]=1;
/* for(int i=1;i<=n;i++)
{
vector<vector<int> > v;
bitset<2005> qwq;
qwq.reset();
int C=4;
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&cnt[j]&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&fa[fa[j]]==0&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]];
--C;
}
if(!C) break;
}
for(int j=1;j<=n;j++)
{
if(fa[j]!=0&&!qwq[fa[j]])
{
v.push_back({j,fa[j],j});
--cnt[fa[j]],++cnt[fa[fa[j]]],fa[j]=fa[fa[j]],qwq[j]=1;
--C;
}
if(!C) break;
}
if(v.size()==0) break;
while(v.size()<4) v.push_back({2,1,2});
op(v);
}*/
vector<vector<vector<int> > > qwq;
for(int i=0;i<=10000;i++) qwq.push_back({{}});
for(int i=n;i<=n+4;i++)
{
vector<vector<vector<int> > > xx=solve1(i);
if(xx.size()<qwq.size()) qwq=xx;
xx=solve2(i);
if(xx.size()<qwq.size()) qwq=xx;
}
ans=qwq;
cout << ans.size() << "\n";
for(auto t:ans)
{
for(auto y:t)
{
for(auto x:y) cout << min(n,x) << " ";
cout << "\n";
}
}
/* for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
cout << s[i][j];
}
cout << "\n";
}*/
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3728kb
input:
17
output:
7 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 8 6 8 10 9 10 12 11 12 6 4 6 8 4 8 12 10 12 14 13 14 10 8 10 12 8 12 15 14 15 3 2 3 15 12 15 5 4 5 7 6 7 9 8 9 16 15 16 11 10 11 13 12 13 14 12 14 17 17 17 17 17 17 17 17 17 17 16 17
result:
ok AC
Test #2:
score: 0
Accepted
time: 3ms
memory: 3740kb
input:
18
output:
7 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 8 6 8 10 9 10 12 11 12 6 4 6 8 4 8 12 10 12 14 13 14 10 8 10 12 8 12 15 14 15 17 16 17 15 12 15 3 2 3 5 4 5 7 6 7 17 15 17 9 8 9 11 10 11 13 12 13 18 18 18 14 12 14 16 15 16 18 17 18
result:
ok AC
Test #3:
score: 0
Accepted
time: 3ms
memory: 3784kb
input:
19
output:
8 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 8 6 8 10 9 10 12 11 12 6 4 6 8 4 8 12 10 12 14 13 14 10 8 10 12 8 12 15 14 15 17 16 17 15 12 15 18 17 18 3 2 3 5 4 5 18 15 18 7 6 7 9 8 9 11 10 11 13 12 13 14 12 14 16 15 16 17 15 17 19 19 19 19 19 19 19 19 19 19 18 19
result:
ok AC
Test #4:
score: 0
Accepted
time: 3ms
memory: 3832kb
input:
20
output:
8 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 8 6 8 10 9 10 12 11 12 6 4 6 8 4 8 12 10 12 14 13 14 10 8 10 12 8 12 15 14 15 17 16 17 15 12 15 18 17 18 3 2 3 5 4 5 18 15 18 7 6 7 9 8 9 11 10 11 19 18 19 13 12 13 14 12 14 16 15 16 20 20 20 20 20 20 17 15 17 20 19 20
result:
ok AC
Test #5:
score: 0
Accepted
time: 2ms
memory: 3700kb
input:
21
output:
8 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 8 6 8 10 9 10 12 11 12 6 4 6 8 4 8 12 10 12 14 13 14 10 8 10 12 8 12 15 14 15 17 16 17 15 12 15 18 17 18 20 19 20 3 2 3 18 15 18 5 4 5 7 6 7 9 8 9 20 18 20 11 10 11 13 12 13 14 12 14 16 15 16 17 15 17 19 18 19 21 20 21
result:
ok AC
Test #6:
score: -100
Wrong Answer
time: 0ms
memory: 3828kb
input:
120
output:
48 2 1 2 4 3 4 6 5 6 8 7 8 4 2 4 3 2 3 8 6 8 10 9 10 6 4 6 8 4 8 5 4 5 11 10 11 11 8 11 7 6 7 9 8 9 10 8 10 12 11 12 14 13 14 16 15 16 18 17 18 14 12 14 13 12 13 18 16 18 20 19 20 16 14 16 18 14 18 15 14 15 21 20 21 21 18 21 17 16 17 19 18 19 20 18 20 22 21 22 24 23 ...
result:
wrong answer A[120] is not (1, …, 120)