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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#279945 | #7780. Dark LaTeX vs. Light LaTeX | ucup-team2279# | ML | 176ms | 199064kb | C++14 | 1.5kb | 2023-12-09 12:37:32 | 2023-12-09 12:37:33 |
Judging History
answer
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/hash_policy.hpp>
using namespace std;
using ull=unsigned long long;
const int N=5005,b=229;
ull p[N];
struct sb{
int n,ht[N],sa[N*2],rk[N*2],t[N*2],c[N][N];
char s[N*2];
ull h[N];
ull val(int l,int r) {return h[r]-h[l-1]*p[r-l+1];}
void init(){
scanf("%s",s+1);
n=strlen(s+1);
for(int i=1;i<=n;i++) h[i]=h[i-1]*b+s[i],sa[i]=i,rk[i]=s[i];
for(int w=1;w<n;w<<=1){
sort(sa+1,sa+n+1,[&](int x,int y){
return rk[x]==rk[y]?rk[x+w]<rk[y+w]:rk[x]<rk[y];
});
memcpy(t,rk,sizeof rk);
for(int i=1,k=0;i<=n;i++)
if(t[sa[i]]==t[sa[i-1]]&&t[sa[i]+w]==t[sa[i-1]+w]) rk[sa[i]]=k;
else rk[sa[i]]=++k;
}
for(int i=1,k=0;i<=n;i++){
if(k) k--;
while(s[i+k]==s[sa[rk[i]-1]+k]) k++;
ht[rk[i]]=k;
}
for(int i=1;i<n;i++){
int mi=n;
for(int j=i+1;j<=n;j++){
mi=min(mi,ht[j]);
int x=sa[i],y=sa[j];
if(x>y) swap(x,y);
c[--y][x]++;c[y][x+mi+1]--;
}
}
c[n][1]=1;
for(int i=1;i<=n;i++) for(int j=1;j<=i;j++) c[i][j]+=c[i][j-1];
}
}A,B;
__gnu_pbds::gp_hash_table<ull,int> mp,mc;
int main(){
for(int i=p[0]=1;i<N;i++) p[i]=p[i-1]*b;
A.init();B.init();
long long ans=0;
for(int i=1;i<=A.n;i++) for(int j=1;j<=i;j++){
ull v=A.val(j,i);
mp[v]++;mc[v]+=A.c[i][j];
}
for(int i=1;i<=B.n;i++) for(int j=1;j<=i;j++){
ull v=B.val(j,i);
if(mp.find(v)==end(mp)) continue;
int bc=B.c[i][j],ap=mp[v],ac=mc[v];
ans+=bc*ap+ac-ap;
}
cout<<ans;
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5724kb
input:
abab ab
output:
8
result:
ok 1 number(s): "8"
Test #2:
score: 0
Accepted
time: 1ms
memory: 5740kb
input:
abab abaaab
output:
29
result:
ok 1 number(s): "29"
Test #3:
score: 0
Accepted
time: 0ms
memory: 7784kb
input:
abcd abcde
output:
10
result:
ok 1 number(s): "10"
Test #4:
score: 0
Accepted
time: 1ms
memory: 5720kb
input:
aaba ba
output:
6
result:
ok 1 number(s): "6"
Test #5:
score: 0
Accepted
time: 1ms
memory: 5892kb
input:
babababaaabbaabababbbaabbbababbaaaaa aaaabbaababbab
output:
1161
result:
ok 1 number(s): "1161"
Test #6:
score: 0
Accepted
time: 176ms
memory: 199064kb
input:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
78156256250000
result:
ok 1 number(s): "78156256250000"
Test #7:
score: 0
Accepted
time: 28ms
memory: 75508kb
input:
gzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggzggzgzggzggzgzggzgzggz...
output:
60716448
result:
ok 1 number(s): "60716448"
Test #8:
score: 0
Accepted
time: 39ms
memory: 77100kb
input:
mlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllmllmlmllmllmlmllmlmllmllmlmllmlmllml...
output:
60679828
result:
ok 1 number(s): "60679828"
Test #9:
score: -100
Memory Limit Exceeded
input:
vbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvbbvbvbbvbbvbvbbvbvbbvb...
output:
2655796915