QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#844619 | #1942. Another Substring Query Problem | yanshanjiahong | AC ✓ | 123ms | 131896kb | C++14 | 3.1kb | 2025-01-06 09:08:48 | 2025-01-06 09:08:49 |
Judging History
answer
#include<bits/stdc++.h>
#define rep(i,j,k) for(int i=j;i<=k;i++)
#define repp(i,j,k) for(int i=j;i>=k;i--)
#define pii pair<int,int>
#define mp make_pair
#define fir first
#define sec second
#define ls(x) lson[x]
#define rs(x) rson[x]
#define lowbit(i) (i&-i)
using namespace std;
typedef long long ll;
const int N=2e5+5,M=2e6+5,mo=998244353,inf=(ll)1e18+7;
const double PI=acos(-1);
void read(int &a){
int x=0,w=1;
char ch=getchar();
while(!isdigit(ch)){
if(ch=='-')w=-1;
ch=getchar();
}
while(isdigit(ch)){
x=(x<<3)+(x<<1)+ch-'0';
ch=getchar();
}
a=x*w;
}
int n,m,q[N];
vector<int>e[N];
struct seg{
int t[N*32],lson[N*32],rson[N*32],rt[N],cntp=0;
void pushup(int x){
t[x]=t[ls(x)]+t[rs(x)];
}
void modify(int &x,int le,int ri,int p){
if(!x)x=++cntp,t[x]=ls(x)=rs(x)=0;
if(le==ri){
t[x]++;
return;
}
int mid=(le+ri)>>1;
if(p<=mid)modify(ls(x),le,mid,p);
else modify(rs(x),mid+1,ri,p);
pushup(x);
}
int query(int x,int le,int ri,int v){
if(t[x]<v)return -1;
if(le==ri)return le;
int mid=(le+ri)>>1;
if(t[ls(x)]>=v)return query(ls(x),le,mid,v);
else return query(rs(x),mid+1,ri,v-t[ls(x)]);
}
int merge(int p,int q,int le,int ri){
if(!p)return q;
if(!q)return p;
if(le==ri){
t[p]+=t[q];
return p;
}
int mid=(le+ri)>>1;
ls(p)=merge(ls(p),ls(q),le,mid),rs(p)=merge(rs(p),rs(q),mid+1,ri);
pushup(p);
return p;
}
}T;
struct ACAM{
int ch[N][26],fa[N],cntp;
int insert(string s){
int p=0;
for(auto j:s){
int v=j-'a';
if(!ch[p][v])ch[p][v]=++cntp;
p=ch[p][v];
}
return p;
}
void add(int f,int x){
e[f].push_back(x),fa[x]=f;
}
void build(){
queue<int>q;
rep(i,0,25)
if(ch[0][i])add(0,ch[0][i]),q.push(ch[0][i]);
while(!q.empty()){
int x=q.front();
q.pop();
rep(i,0,25){
if(!ch[x][i]){
ch[x][i]=ch[fa[x]][i];
continue;
}
add(ch[fa[x]][i],ch[x][i]),q.push(ch[x][i]);
}
}
}
int nwp=0;
void addc(int x){
nwp=ch[nwp][x];
}
}A;
string s,t[N];
int pos[N];
vector<int>vq[N];
int ans[N];
void dfs(int x){
for(auto j:e[x])
dfs(j),T.rt[x]=T.merge(T.rt[x],T.rt[j],1,n);
for(auto j:vq[x])
ans[j]=T.query(T.rt[x],1,n,q[j]);
}
signed main(){
cin>>s,n=s.size();
read(m);
rep(i,1,m){
cin>>t[i],read(q[i]);
pos[i]=A.insert(t[i]),vq[pos[i]].push_back(i);
}
A.build();
rep(i,1,n)
A.addc(s[i-1]-'a'),T.modify(T.rt[A.nwp],1,n,i);
dfs(0);
rep(i,1,m){
if(ans[i]==-1)puts("-1");
else printf("%d\n",ans[i]-t[i].size()+1);
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 19ms
memory: 33560kb
input:
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...
output:
50997 112451 97534 13355 150562 5772 146250 10904 4343 194777 71395 96501 6809 18571 166901 114789 123587 176339 29660 82650 63509 80101 47907 66143 199971 108032 140518 49221 46212 28127 61461 149025 142818 33646 17132 196161 36671 28656 16860 141951 139429 72866 162807 21343 194803 16263 118701 20...
result:
ok 631 lines
Test #2:
score: 0
Accepted
time: 109ms
memory: 73592kb
input:
gnzlzbsarybaxilacuopvdkhjfiynrgfdhsrecyxedcrriztcxboczhfaseqglcwshaewaepasxqpaxxbroxndbxqabrvtrrshrnnlyfodtxyltjkbghfkjcqrqsuwdsgypcaroaojqbfrjqbdrimglxcqtfmqaeogqunaegfpfzcmyjwfgbwaigwitcyspiedbisjuedeyseneuzjdteifzvdfzhenapmmreqpvwsmtrxowjnmmrthzhojgxsoppfgfgohoghuwvqclzsmeydusfndrdyqokpqwupixyoxr...
output:
-1 -1 174057 -1 141370 -1 75407 -1 112842 -1 -1 4510 100584 12223 35161 28768 -1 5258 151196 -1 25061 87769 -1 135272 -1 -1 -1 159851 -1 -1 121971 108762 60263 143662 -1 5200 65515 -1 -1 -1 -1 157064 65499 -1 84122 173745 171855 -1 193921 -1 121426 162134 137032 126244 99210 155648 95498 151755 1105...
result:
ok 54751 lines
Test #3:
score: 0
Accepted
time: 50ms
memory: 45712kb
input:
gnzlzbsarybaxilacuopvdkhjfiynrgfdhsrecyxedcrriztcxboczhfaseqglcwshaewaepasxqpaxxbroxndbxqabrvtrrshrnnlyfodtxyltjkbghfkjcqrqsuwdsgypcaroaojqbfrjqbdrimglxcqtfmqaeogqunaegfpfzcmyjwfgbwaigwitcyspiedbisjuedeyseneuzjdteifzvdfzhenapmmreqpvwsmtrxowjnmmrthzhojgxsoppfgfgohoghuwvqclzsmeydusfndrdyqokpqwupixyoxr...
output:
-1 -1 -1 66435 197872 -1 83779 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 91584 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 21808 -1 -1 -1 -1 -1 15575 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 196132 -...
result:
ok 200000 lines
Test #4:
score: 0
Accepted
time: 123ms
memory: 75792kb
input:
qzpazeynjuulxowssvbghqhdtywsnzgwmpospvxyeoxsrwxccwucqgsyllrkburhfrivzqcpnevmixivrtbxexhrjauxayxmrdluzkvxnfvocgoceavurwlxzdfepcxzcdaoppzfhqpyhmjlhbfsntaewlfjqgefvqttczahgzgucgoohnjsdvyaxltixdvbgzoewptjuosymanxeiewbvnibhjbkhoebygmtmwldtvyijasjquxvtwkhlngbcremdsprdetxkggogyjbgsuduzmutcgblzoqopwspbzrurs...
output:
109498 154508 -1 -1 -1 -1 1028 36133 -1 -1 -1 -1 -1 191213 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 129366 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 196816 -1 -1 141983 -1 -1 137732 -1 11350 -1 -1 -1 25285 52189 -1 -1 -1 -1 80999 -1 -1 17773 5870 -1 -1 -1 -1 -1 128813 -1 1492 -1 -1 1513 -1 -1 -1 139760 199034 -1 -1 49122 ...
result:
ok 50034 lines
Test #5:
score: 0
Accepted
time: 0ms
memory: 29340kb
input:
dkfjahfwbaofboahsdlvkjnalsf 10 dkfjahfwbaofboahsdlvkjnalsfd 1 adkfjahfwbaofboahsdlvkjnalsf 1 kfj 2 kfj 1 a 3 a 1 a 2 a 4 w 2 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 1
output:
-1 -1 -1 2 15 5 10 24 -1 -1
result:
ok 10 lines
Test #6:
score: 0
Accepted
time: 4ms
memory: 29060kb
input:
alfalfa 5 alfa 1 alfa 2 alfa 3 alfalfa 1 alfalfa 2
output:
1 4 -1 1 -1
result:
ok 5 lines
Test #7:
score: 0
Accepted
time: 2ms
memory: 29228kb
input:
x 28 a 1 b 1 c 1 d 1 e 1 f 1 g 1 h 1 i 1 j 1 k 1 l 1 m 1 n 1 o 1 p 1 q 1 r 1 s 1 t 1 u 1 v 1 w 1 x 1 y 1 z 1 abcdefghijklmnopqrstuvwxyz 1 abcdefghijklmnopqrstuvwxyz 1
output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1
result:
ok 28 lines
Test #8:
score: 0
Accepted
time: 57ms
memory: 37428kb
input:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ...
result:
ok 200000 lines
Test #9:
score: 0
Accepted
time: 36ms
memory: 83472kb
input:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
100001 -1
result:
ok 2 lines
Test #10:
score: 0
Accepted
time: 46ms
memory: 131896kb
input:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
2
result:
ok single line: '2'
Test #11:
score: 0
Accepted
time: 46ms
memory: 131860kb
input:
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...
output:
1
result:
ok single line: '1'
Test #12:
score: 0
Accepted
time: 58ms
memory: 55900kb
input:
abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaab...
output:
1 1537 3073 5121 6145 7681 9217 10241 12289 13825 15361 17409 18433 20481 22017 23553 24577 26113 27649 29697 30721 32257 33793 34817 36865 38401 39937 40961 42497 44033 46081 47105 49153 50689 52225 54273 55297 56833 58369 59393 61441 62977 64513 66561 67585 69633 71169 72705 73729 75265 76801 7884...
result:
ok 195 lines