Submission #1203477
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define all(c) c.begin(),c.end() #define pb push_back #define fs first #define sc second #define show(x) cout << #x << " = " << x << endl #define chmin(x,y) x=min(x,y) #define chmax(x,y) x=max(x,y) using namespace std; template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){return o<<"("<<p.fs<<","<<p.sc<<")";} template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){o<<"sz = "<<vc.size()<<endl<<"[";for(const T& v:vc) o<<v<<",";o<<"]";return o;} vector<int> c2is[26]; vector<int> ls,rs; int N; string S,T; int solve(){ cin>>N; cin>>S>>T; if(S==T){ return 0; } rep(i,N){ c2is[S[i]-'a'].pb(i); } int now=N-1; int r=N-1; for(int i=N-2;i>=-1;i--){ if(i==-1 || T[i]!=T[i+1]){ int l=i+1; int c = T[i+1] -'a'; int id = upper_bound(all(c2is[c]),min(now,l))-c2is[c].begin()-1; if(id==-1){ return -1; } int v = c2is[c][id]; // show(l); // show(r); // show(v); // puts(""); ls.pb(v); rs.pb(r); r=i; now=v-1; } } reverse(all(ls)); reverse(all(rs)); int K=ls.size(); // show(ls); // show(rs); rep(i,K) ls[i]-=i; int ans=0; rep(i,K){ int r = rs[i]; int id = lower_bound(all(ls),r-i)-ls.begin()-i; // show(id); chmax(ans,id); } return ans; } int main(){ cout<<solve()<<endl; }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | sigma425 |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 1464 Byte |
Status | AC |
Exec Time | 193 ms |
Memory | 18036 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1500 / 1500 | ||||
Status |
|
|
Set Name | Test Cases |
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Sample | example0.txt, example1.txt, example2.txt, example3.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, example0.txt, example1.txt, example2.txt, example3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 1 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 1 ms | 256 KB |
003.txt | AC | 1 ms | 256 KB |
004.txt | AC | 1 ms | 256 KB |
005.txt | AC | 1 ms | 256 KB |
006.txt | AC | 1 ms | 256 KB |
007.txt | AC | 1 ms | 256 KB |
008.txt | AC | 1 ms | 256 KB |
009.txt | AC | 1 ms | 256 KB |
010.txt | AC | 1 ms | 256 KB |
011.txt | AC | 1 ms | 256 KB |
012.txt | AC | 1 ms | 256 KB |
013.txt | AC | 1 ms | 256 KB |
014.txt | AC | 1 ms | 256 KB |
015.txt | AC | 1 ms | 256 KB |
016.txt | AC | 1 ms | 256 KB |
017.txt | AC | 1 ms | 256 KB |
018.txt | AC | 1 ms | 256 KB |
019.txt | AC | 1 ms | 256 KB |
020.txt | AC | 1 ms | 256 KB |
021.txt | AC | 1 ms | 256 KB |
022.txt | AC | 1 ms | 256 KB |
023.txt | AC | 1 ms | 256 KB |
024.txt | AC | 1 ms | 256 KB |
025.txt | AC | 64 ms | 2692 KB |
026.txt | AC | 193 ms | 16372 KB |
027.txt | AC | 133 ms | 12408 KB |
028.txt | AC | 155 ms | 16372 KB |
029.txt | AC | 155 ms | 16628 KB |
030.txt | AC | 89 ms | 9352 KB |
031.txt | AC | 89 ms | 9480 KB |
032.txt | AC | 89 ms | 9480 KB |
033.txt | AC | 89 ms | 9480 KB |
034.txt | AC | 88 ms | 9352 KB |
035.txt | AC | 87 ms | 9736 KB |
036.txt | AC | 84 ms | 9352 KB |
037.txt | AC | 84 ms | 8968 KB |
038.txt | AC | 82 ms | 8840 KB |
039.txt | AC | 80 ms | 8328 KB |
040.txt | AC | 134 ms | 12664 KB |
041.txt | AC | 152 ms | 17140 KB |
042.txt | AC | 179 ms | 18036 KB |
043.txt | AC | 183 ms | 17012 KB |
044.txt | AC | 186 ms | 16240 KB |
045.txt | AC | 180 ms | 17268 KB |
046.txt | AC | 178 ms | 17012 KB |
047.txt | AC | 183 ms | 17012 KB |
048.txt | AC | 187 ms | 16368 KB |
049.txt | AC | 192 ms | 17140 KB |
050.txt | AC | 128 ms | 16368 KB |
051.txt | AC | 132 ms | 16628 KB |
052.txt | AC | 92 ms | 11904 KB |
053.txt | AC | 126 ms | 12536 KB |
054.txt | AC | 127 ms | 12408 KB |
055.txt | AC | 128 ms | 12280 KB |
056.txt | AC | 125 ms | 12536 KB |
057.txt | AC | 129 ms | 12796 KB |
058.txt | AC | 132 ms | 12408 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |
example2.txt | AC | 1 ms | 256 KB |
example3.txt | AC | 1 ms | 256 KB |