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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#286963 | #5116. Contests | sio_ | WA | 0ms | 40604kb | C++14 | 1.7kb | 2023-12-19 09:53:41 | 2023-12-19 09:53:42 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int maxn=1e5+5;
int n,m,q,a[6][maxn],pos[6][maxn];
struct node{int a[6];}f[17][maxn];
node mmin(node a,node b){node ans;for(int i=1;i<=m;i++) ans.a[i]=min(a.a[i],b.a[i]);return ans;}
node init(int x){node ans;for(int i=1;i<=m;i++) ans.a[i]=pos[i][x];return ans;}
bool check(node a,node b)
{
for(int i=1;i<=m;i++) if(a.a[i]<b.a[i]) return 1;
return 0;
}
void output(node a)
{
for(int i=1;i<=m;i++) cout<<a.a[i]<<" ";
cout<<"\n";
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n>>m;
for(int i=1;i<=m;i++)
for(int j=1;j<=n;j++) cin>>a[i][j],pos[i][a[i][j]]=j;
for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) f[0][i].a[j]=1e9;
for(int i=1;i<=m;i++)
{
node tmp=init(a[i][n]);
f[0][a[i][n]]=mmin(f[0][a[i][n]],tmp);
output(tmp);
for(int j=n-1;j>=1;j--) tmp=mmin(tmp,init(a[i][j])),f[0][a[i][j]]=mmin(f[0][a[i][j]],tmp);
}
for(int i=1;i<=16;i++)
{
for(int j=1;j<=n;j++)
{
f[i][j]=f[i-1][j];
for(int k=1;k<=m;k++) f[i][j]=mmin(f[i][j],f[i-1][a[k][f[i-1][j].a[k]]]);
}
}
cout<<"\n";
for(int i=1;i<=n;i++,cout<<"\n")
for(int j=1;j<=m;j++) cout<<f[1][i].a[j]<<" ";
cin>>q;
while(q--)
{
int x,y,ans=0;
cin>>x>>y;
node s=init(x),t=init(y);
if(check(s,t)==1){cout<<1<<"\n";continue;}
for(int i=16;i>=0;i--)
{
node tmp=s;
for(int k=1;k<=m;k++) tmp=mmin(tmp,f[i][a[k][s.a[k]]]);
if(check(tmp,t)==0) s=tmp,ans+=(1<<i);
}
if(ans>n) cout<<-1<<"\n";
else cout<<ans+2<<"\n";
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 40604kb
input:
6 2 1 3 2 5 4 6 2 1 4 3 6 5 4 1 4 5 3 6 1 5 2
output:
6 5 4 6 1 1 1 1 1 1 2 1 2 3 4 3 1 2 5 3
result:
wrong answer 1st numbers differ - expected: '1', found: '6'