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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#640956 | #6366. Message | JohnAlfnov | WA | 0ms | 23996kb | C++17 | 2.6kb | 2024-10-14 17:08:21 | 2024-10-14 17:08:26 |
Judging History
answer
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
char s[200005],t[200005];
int w[200005],wz[105],cnt[105],vv[105],bp[105],ok[105];
int S[26][200005],T[26][200005];
#define ull unsigned long long
ull mo=111339248186143ull;
#define P 262144
ull sm[P<<1],bs[P<<1];
bool vist[200005];
long long zh;
inline void add(int x){
if(!vist[x])sm[P|x]=s[x],bs[P|x]=mo,zh+=w[x];
else sm[P|x]=0,bs[P|x]=1,zh-=w[x];
vist[x]^=1;
for(int i=(P|x)>>1;i;i>>=1){
sm[i]=sm[i<<1]*bs[i<<1|1]+sm[i<<1|1],bs[i]=bs[i<<1]*bs[i<<1|1];
}
}
long long f[200005],mx[800005];
void addd(int l,int r,int o,int x){
if(l==r){
mx[o]=f[x];
return;
}
int mid=(l+r)>>1;
if(x<=mid)addd(l,mid,o<<1,x);
else addd(mid+1,r,o<<1|1,x);
mx[o]=max(mx[o<<1],mx[o<<1|1]);
}
long long query(int l,int r,int o,int ll,int rr){
if(l>=ll&&r<=rr)return mx[o];
int mid=(l+r)>>1;long long ans=-4e18;
if(mid>=ll)ans=max(ans,query(l,mid,o<<1,ll,rr));
if(mid<rr)ans=max(ans,query(mid+1,r,o<<1|1,ll,rr));
return ans;
}
int main(){
scanf("%s%s",s+1,t+1);
int n=strlen(s+1),m=strlen(t+1);
long long he=0;
for(int i=1;i<=n;++i){
scanf("%d",&w[i]);
he+=w[i];
}
for(int i=1;i<=m;++i){
wz[t[i]-'a']=i,++cnt[t[i]-'a'];
}
int tt=0;
for(int i=0;i<26;++i)if(wz[i]){
vv[++tt]=wz[i];
}
sort(vv+1,vv+tt+1);
for(int i=0;i<26;++i){
for(int j=1;j<=n;++j){
S[i][j]=S[i][j-1];
if(s[j]-'a'==i){
T[i][++S[i][j]]=j;
}
}
}
for(int i=1;i<(P<<1);++i)bs[i]=1;
memset(f,-63,sizeof(f));
memset(mx,-63,sizeof(mx));
for(int k=1;k<=tt;++k){
int L=vv[k-1]+1,R=vv[k];
ull mm=0;
for(int i=L;i<=R;++i){
mm=mm*mo+t[i];
++bp[t[i]-'a'];
}
zh=0;
bool fl=0;
for(int i=1;i<=n;++i){
int k=s[i]-'a';
if(bp[k]){
add(i);
if(S[k][i]>bp[k])add(T[k][S[k][i]-bp[k]]);
}
if(s[i]==t[R]&&sm[1]==mm){
int mx=1,mn=n;
for(int j=0;j<26;++j)if(bp[j]){
if(ok[j])mx=max(mx,T[j][S[j][i]-bp[j]]);
mn=min(mn,T[j][S[j][i]-bp[j]+1]-1);
}
if(L==1)f[i]=zh;
else if(mx<=mn)f[i]=query(1,n,1,mx,mn)+zh;
fl|=(f[i]>0);
}
}
if(!fl)break;
for(int i=0;i<26;++i){
int L=S[i][n]-bp[i]+1,R=S[i][n];
for(int j=L;j<=R;++j)add(T[i][j]);
}
char t1=t[vv[k-1]],t2=t[vv[k]];
for(int i=1;i<=n;++i){
if(s[i]==t1){
f[i]=-4e18;addd(1,n,1,i);
}else if(s[i]==t2){
addd(1,n,1,i);
}
}
for(int i=L;i<=R;++i)--bp[t[i]-'a'],ok[t[i]-'a']=1;
}
long long ans=-1;
for(int i=1;i<=n;++i)if(s[i]==t[m])ans=max(ans,f[i]);
if(ans<0)puts("-1");
else printf("%lld\n",he-ans);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 23844kb
input:
ababccb abc 7 2 2 4 3 2 1
output:
7
result:
ok single line: '7'
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 23996kb
input:
babab baab 2 1 3 2 4
output:
-1
result:
wrong answer 1st lines differ - expected: 'You better start from scratch man...', found: '-1'