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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#628432 | #5438. Half Mixed | 523555337 | RE | 2ms | 12188kb | C++14 | 2.2kb | 2024-10-10 20:13:24 | 2024-10-10 20:13:24 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
#define ll long long
#define ull unsigned long long
#define mp make_pair
#define pb push_back
#define se second
#define fi first
#define ret(i,a,b) for(int i = (a);i<=(b);++i)
const int N=1e5+5;
const int M=1e6+5;
const ll inf=1e18;
const ll mod=998244353;
ll ksm(ll a,ll b)
{
ll ret=1;
while(b)
{
if(b&1) ret=ret*a%mod;
a=a*a%mod;
b>>=1;
}
return ret;
}
inline int read()
{
int x=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9')
{
if(ch=='-')
f=-1;
ch=getchar();
}
while(ch>='0'&&ch<='9')
{
x=(x<<1)+(x<<3)+(ch^48);
ch=getchar();
}
return x*f;
}
ll n,m,k;
ll p[M],ans[M];
void init()
{
ret(i,1,M) p[i]=1ll*i*i;
return ;
}
void work(ll num)
{
int tot=0;
//int k=0;
ll anss=0;
int ff=0;
while(tot!=m)
{
//printf("m=%lld\n",m);
int t=upper_bound(p+1,p+M+1,(m*m-m)/2-anss)-p;
//printf("tot=%d,t=%d,anss=%lld\n",tot,t,anss);
while((p[t]+anss)*2>(m*m-m)) t--;
anss+=p[t];
tot+=t;
ans[++k]=t;
//printf("tot=%d,t=%d,anss=%lld\n",tot,t,anss);
ff++;
if(ff>=10) break;
}
return ;
}
void solve()
{
cin>>n>>m;
k=0;
if((n*(n+1)/2)%2==1&&(m*(m+1)/2)%2==1)
{
cout<<"No\n";
return ;
}
bool swaped=0;
if(n*(n+1)%4==0)
{
swap(n,m);
swaped=1;
}
work(m);
cout<<"Yes\n";
if(!swaped)
{
vector<vector<int>> y(n+1,vector<int>(m+1));
int w=0;
int tot=0;
ret(i,1,k)
{
ret(j,1,ans[i])
{
++tot;
ret(x,1,n)
{
y[x][tot]=w;
}
}
w=1-w;
}
ret(i,1,n)
{
ret(j,1,m)
cout<<y[i][j]<<" ";
cout<<endl;
}
}
else
{
vector<vector<int>> y(m+1,vector<int>(n+1));
int w=0;
int tot=0;
ret(i,1,k)
{
ret(j,1,ans[i])
{
++tot;
ret(x,1,m)
{
y[x][tot]=w;
}
}
w=1-w;
}
ret(i,1,m)
{
ret(j,1,n)
cout<<y[i][j]<<" ";
cout<<endl;
}
}
//ret(i,1,k) cout<<ans[i]<<" ";
//cout<<endl;
return ;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int _=1;
cin>>_;
init();
while(_--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 12188kb
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
Runtime Error
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 0 0 Yes 0 0 1 0 Yes 0 1 0 0 1 0 Yes 0 1 0 1 0 1 Yes 0 0 0 0 No Yes 0 0 1 0 0 0 1 0 Yes 0 1 0 0 1 0 0 1 0 Yes 0 0 0 0 0 0 0 0 No No No Yes 0 1 0 0 0 1 0 0 0 1 0 0 Yes 0 0 1 0 0 1 0 0 1 0 0 1 No No Yes 0 0 0 0 1 1 0 No Yes 0 1 0 0 0 0 1 0 0 0...