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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#245347 | #6309. Aqre | Doqe | RE | 4ms | 50504kb | C++14 | 2.4kb | 2023-11-09 20:52:46 | 2023-11-09 20:52:47 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+100;
vector<int>G[N],K[N];
const int A[4][4]=
{
{1,1,1,0},
{1,1,0,1},
{0,1,1,1},
{1,0,1,1}
},B[4][4]=
{
{1,1,1,0},
{1,0,1,1},
{1,1,1,0},
{0,1,0,0}
};
void solve(int n,int m)
{
// cerr<<"SOLVE : "<<n<<","<<m<<endl;
if(n==1)
{
cout<<min(m,3)<<"\n";
for(int i=1;i<=3&&i<=m;++i)cout<<"1";
for(int i=4;i<=m;++i)cout<<"0";
cout<<"\n";
return;
}
if(m==1)
{
cout<<min(n,3)<<"\n";
for(int i=1;i<=3&&i<=n;++i)cout<<"1\n";
for(int i=4;i<=n;++i)cout<<"0\n";
return;
}
if(n<=3&&m<=3)
{
cout<<n*m<<"\n";
for(int i=1;i<=n;++i,cout<<"\n")
for(int j=1;j<=m;++j)
cout<<"1";
return;
}
for(int i=0;i<n+10;++i)
G[i].resize(m+10);
for(int i=0;i<n+10;++i)
K[i].resize(m+10);
int dx=0,dy=0;
if(n%4==0)++dx;
if(m%4==0)++dy;
if(n==2)
{
dx=1,dy=1;
}
else if(m==2)
{
dx=2,dy=1;
}
if(n==3||m==3)
for(int i=0;i<n+4;i+=4)
for(int j=0;j<m+4;j+=4)
for(int x=0;x<4;++x)
for(int y=0;y<4;++y)
G[i+x][j+y]=B[x][y];
else
{
for(int i=0;i<n+4;i+=4)
for(int j=0;j<m+4;j+=4)
for(int x=0;x<4;++x)
for(int y=0;y<4;++y)
G[i+x][j+y]=A[x][y],
K[j+x][i+y]=A[x][y];
int c1=0,c2=0;
for(int i=0;i<n;++i)
for(int j=0;j<m;++j)
c1+=G[i+dx][j+dy],c2+=K[j+dy][i+dx];
if(c2>c1)
{
for(int i=0;i<n;++i)
for(int j=0;j<m;++j)
G[i+dx][j+dy]=K[j+dy][i+dx];
}
}
// if(n==2)++dx;
// if(m==2)++dy;
int cnt=0;
for(int i=0;i<n;++i)
for(int j=0;j<m;++j)
cnt+=G[i+dx][j+dy];
cout<<cnt<<"\n";
for(int i=0;i<n;++i,cout<<"\n")
for(int j=0;j<m;++j)
cout<<G[i+dx][j+dy];
for(int i=0;i<n+10;++i)G[i].clear(),K[i].clear();
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr),cout.tie(nullptr);
int T;
cin>>T;
while(T--)
{
int n,m;
cin>>n>>m;
solve(n,m);
cout<<flush;
}
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 50504kb
input:
3 2 2 3 4 3 8
output:
4 11 11 9 1101 0111 1101 18 11011101 01110111 11011101
result:
ok ok (3 test cases)
Test #2:
score: -100
Runtime Error
input:
361 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 2 17 2 18 2 19 2 20 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 4 20 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 5 1...
output:
4 11 11 6 111 111 6 1011 1110 8 10111 11101 9 101110 111011 11 1011101 1110111 12 10111011 11101110