Submission #3593200
Source Code Expand
#include<iostream> #include<cstring> #include<algorithm> #include<cstdio> #include<cmath> #include<deque> #include<cassert> #define ll long long using namespace std; inline int read(){ int re=0,flag=1;char ch=getchar(); while(ch>'9'||ch<'0'){ if(ch=='-') flag=-1; ch=getchar(); } while(ch>='0'&&ch<='9') re=(re<<1)+(re<<3)+ch-'0',ch=getchar(); return re*flag; } int n;char s[1000010],t[1000010]; deque<int>q; int main(){ n=read();int i,ans=0,j=n,add=0,now,siz=1; scanf("%s",s);scanf("%s",t); q.push_back(n); for(i=n-1;i>=0;i--){ now=j; while(~j&&((j>i)|(s[j]!=t[i]))) j--; // cout<<i<<' '<<j<<' '<<now<<'\n'; if(j==-1){ puts("-1");return 0; } if(now==j){ while(siz&&q.back()-add>=i) siz--,q.pop_back(); q.push_back(i+add);siz++; } else{ add++; if(i!=j){ ans=((ans<siz)?siz:ans); q.push_front(j+add);siz++; } } } printf("%d\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | dedicatus545 |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 938 Byte |
Status | AC |
Exec Time | 20 ms |
Memory | 6272 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:23:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s);scanf("%s",t); ^ ./Main.cpp:23:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s);scanf("%s",t); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1500 / 1500 | ||||
Status |
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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 | 10 ms | 2176 KB |
026.txt | AC | 13 ms | 6272 KB |
027.txt | AC | 13 ms | 4224 KB |
028.txt | AC | 20 ms | 2176 KB |
029.txt | AC | 20 ms | 2176 KB |
030.txt | AC | 11 ms | 2176 KB |
031.txt | AC | 12 ms | 2176 KB |
032.txt | AC | 13 ms | 2176 KB |
033.txt | AC | 13 ms | 2176 KB |
034.txt | AC | 14 ms | 2176 KB |
035.txt | AC | 14 ms | 2176 KB |
036.txt | AC | 14 ms | 2176 KB |
037.txt | AC | 13 ms | 2176 KB |
038.txt | AC | 14 ms | 2176 KB |
039.txt | AC | 13 ms | 2176 KB |
040.txt | AC | 18 ms | 2176 KB |
041.txt | AC | 16 ms | 2176 KB |
042.txt | AC | 13 ms | 2176 KB |
043.txt | AC | 12 ms | 2176 KB |
044.txt | AC | 12 ms | 2176 KB |
045.txt | AC | 12 ms | 2176 KB |
046.txt | AC | 11 ms | 2304 KB |
047.txt | AC | 12 ms | 2304 KB |
048.txt | AC | 12 ms | 2944 KB |
049.txt | AC | 12 ms | 3328 KB |
050.txt | AC | 13 ms | 6272 KB |
051.txt | AC | 13 ms | 6272 KB |
052.txt | AC | 10 ms | 4224 KB |
053.txt | AC | 16 ms | 2176 KB |
054.txt | AC | 16 ms | 2176 KB |
055.txt | AC | 16 ms | 2176 KB |
056.txt | AC | 16 ms | 2304 KB |
057.txt | AC | 17 ms | 2560 KB |
058.txt | AC | 19 ms | 2816 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 |