QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#397624 | #5438. Half Mixed | slenbol | WA | 24ms | 3800kb | C++14 | 1.5kb | 2024-04-24 15:10:55 | 2024-04-24 15:10:56 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
template <typename T> inline void read(T &x)
{
x=0;T f=1;char c=getchar();
for(;!isdigit(c);c=getchar()) if(c=='-')f=-1;
for(;isdigit(c);c=getchar()) x=(x<<1)+(x<<3)+(c^48);
x*=f;
}
template <typename T,typename ...Args>void read(T &x,Args&...args){read(x),read(args...);}
template <typename T> void print(T x)
{
if(x<0) x=-x,putchar('-');
if(x>9) print(x/10);
putchar(x%10+48);
}
template <typename T> void print(T x,char c){print(x); putchar(c);}
template<typename T>inline void output(T x){print(x,' ');}
template<typename T,typename ...Arg>inline void output(T x,Arg ...arg){output(x);output(arg...);}
const int N=1000007;
int T,n,m; ll vn,vm;
vector<int>solve(int n)
{
vector<int>res;
int X=n; ll Y=(ll)n*(n+1)/4-X;
for(int i=n;i>=2;i--)
{
int x=i; ll y=(ll)i*(i+1)/2-x;
if(Y>=y) Y-=y,X-=x,res.push_back(x);
}
while(X) X--,res.push_back(1);
return res;
}
void solve()
{
read(n,m);
vn=(ll)n*(n+1)/2; vm=(ll)m*(m+1)/2;
if(vn&1&&vm&1) return puts("No"),void();
puts("Yes");
if(!(vn&1))
{
auto res=solve(n);
int lst=1,col=0;
for(auto x:res)
{
for(int i=lst;i<lst+x;i++,puts(""))
for(int j=1;j<=m;j++) print(col,' ');
lst+=x; col^=1;
}
}
else
{
auto res=solve(m);
for(int i=1;i<=n;i++,puts(""))
{
int lst=1,col=0;
for(auto x:res)
{
for(int i=lst;i<lst+x;i++)
print(col,' ');
col^=1;
}
}
}
}
int main()
{
read(T);
while(T--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3576kb
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: 24ms
memory: 3800kb
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 answer 589 Mixed Submatrices Found, but 588 Expected (test case 1129)