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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#667261 | #5438. Half Mixed | idontknow233 | WA | 127ms | 3768kb | C++20 | 1.2kb | 2024-10-22 21:56:10 | 2024-10-22 21:56:22 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define INF 0x3f3f3f3f
#define endl '\n'
using namespace std;
int n,m;
void solve()
{
cin>>n>>m;
if(n*(n+1)/2%2==0)
{
int k=n*(n+1)/2,c=n;
vector<int> ot,res;
while(k-c)
{
int l=1,r=c,mid,ans=0;
while(l<=r)
{
mid=(l+r)/2;
if(k-mid*(mid+1)-c+mid>=0) l=mid+1,ans=max(ans,mid);
else r=mid-1;
}
ot.push_back(ans);
k-=ans*(ans+1);
c-=ans;
}
for(int i=0;i<ot.size();i++)
while(ot[i]--) res.push_back(i&1);
cout<<"Yes\n";
for(auto u:res)
{
for(int i=1;i<=m;i++) cout<<u<<" ";
cout<<endl;
}
}
else if(m*(m+1)/2%2==0)
{
int k=m*(m+1)/2,c=m;
vector<int> ot,res;
while(k-c)
{
int l=1,r=c,mid,ans=0;
while(l<=r)
{
mid=(l+r)/2;
if(k-mid*(mid+1)-c+mid>=0) l=mid+1,ans=max(ans,mid);
else r=mid-1;
}
ot.push_back(ans);
k-=ans*(ans+1);
c-=ans;
}
for(int i=0;i<ot.size();i++)
while(ot[i]--) res.push_back(i&1);
cout<<"Yes\n";
for(int i=1;i<=n;i++)
{
for(auto u:res) cout<<u<<" ";
cout<<endl;
}
}
else cout<<"No\n";
}
signed main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int T=1;
cin>>T;
while(T--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3768kb
input:
2 2 3 1 1
output:
Yes 0 1 0 0 1 0 No
result:
ok OK, Accepted. (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 127ms
memory: 3532kb
input:
5382 1 1 1 2 2 1 1 3 2 2 3 1 1 4 2 3 3 2 4 1 1 5 2 4 3 3 4 2 5 1 1 6 2 5 3 4 4 3 5 2 6 1 1 7 2 6 3 5 4 4 5 3 6 2 7 1 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1 1 11 2 10 3 9 4 8 5 7 6 6 7 5 8 4 9 3 10 2 11 1 1 12 2 11 3 10 4 9 5 8 6 ...
output:
No No No Yes 0 1 0 No Yes 0 1 0 Yes 0 0 1 0 Yes 0 1 0 0 1 0 Yes 0 0 1 1 0 0 Yes 0 0 1 0 No Yes 0 0 1 0 0 0 1 0 Yes 0 0 0 1 1 1 0 0 0 Yes 0 0 0 0 1 1 0 0 No No No Yes 0 0 0 0 1 1 1 1 0 0 0 0 Yes 0 0 0 0 0 0 1 1 1 0 0 0 No No Yes 0 0 0 0 1 1 0 No Yes 0 0 0 0 0 1 1 1 1 1...
result:
wrong output format Expected integer, but "Yes" found (test case 67)