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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #190163 | #6851. Cyclically Isomorphic | masterhuang | TL | 0ms | 0kb | C++20 | 1.0kb | 2023-09-28 13:59:55 | 2023-09-28 13:59:55 |
answer
#include<bits/stdc++.h>
#define LL long long
#define fr(x) freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);
using namespace std;
inline string rds()
{
string x="";char ch=getchar();
while(ch<'a'||ch>'z') ch=getchar();
while(ch>='a'&&ch<='z') x+=ch,ch=getchar();
return x;
}
inline int rd()
{
int x=0;char ch=getchar();
while(ch<'0'||ch>'9') ch=getchar();
while(ch>='0'&&ch<='9') x=x*10+ch-'0',ch=getchar();
return x;
}
const int N=1e6+5,mod=998244353;
int T,n,m,q,pw[N],a[N];string c[N];
inline int md(int x){return x>=mod?x-mod:x;}
int main()
{
T=rd();
while(T--)
{
n=rd(),m=rd();for(int i=1;i<=n;i++) c[i]=rds();q=rd();
for(int i=pw[0]=1;i<=m;i++) pw[i]=28ll*pw[i-1]%mod;
for(int i=1;i<=n;i++)
{
int S=0;
for(int j=0;j<m;j++) S=(S+1ll*pw[m-1-j]*(c[i][j]-'a'+1))%mod;a[i]=S;
for(int j=0;j<m-1;j++) S=md((S-1ll*pw[m-1]*(c[i][j]-'a'+1))%mod+mod),
a[i]=min((LL)a[i],(28ll*S+(c[i][j]-'a'+1))%mod);
}int x=rd(),y=rd();
while(q--) x=rd(),y=rd(),puts((a[x]==a[y])?"Yes":"No");
}
return 0;
}
Details
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Test #1:
score: 0
Time Limit Exceeded
input:
5 10 10000 afcadffafeeebdfedfdafecfdbeecbcadfedcffaedecbacffedeccacfcbfbbdbcefbdefefebcbeacfbaafddbabcbfaeddaaefebbddafaaaaaedcbbdaafaffcbeeebfbbeedebabfbdbaceabfcccfedbdeafccbaffdeadbefbfeadbbedeeabbaafebaceeaeedbaddfecdefaabdbcfadadaebbdeedcfeeabbbdbcefdadbeecafcabbddddbcacadbbcddeddbbeecbdadefbaa...
output:
No No Yes Yes No No No Yes No No No No No No No No No No No No No Yes No No No No No No No No No No Yes No No No Yes No No No No No No No No Yes No Yes No No No No No Yes No No No No No No No No No Yes No No Yes No No No No No No No No No No No Yes No Yes No Yes No No No No No No No No Yes Yes Yes N...