Submission #1697773
Source Code Expand
#include<bits/stdc++.h> #define N 1000009 using namespace std; int n,q[N]; char s1[N],s2[N]; int main(){ scanf("%d%s%s",&n,s1+1,s2+1); if (!strcmp(s1+1,s2+1)){ puts("0"); return 0; } int i,j,head=1,tail=0,ans=0; for (i=j=n; i; i--) if (s2[i]!=s2[i-1]){ j=min(i,j); for (; j && s1[j]!=s2[i]; j--); if (!j){ puts("-1"); return 0; } while (head<=tail && i<q[head]-(tail-head)) head++; if (i!=j) q[++tail]=j; ans=max(ans,tail-head+1); } printf("%d\n",ans+1); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | lych_cys |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 519 Byte |
Status | AC |
Exec Time | 20 ms |
Memory | 6144 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:7:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%s%s",&n,s1+1,s2+1); ^
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 | 7 ms | 2176 KB |
026.txt | AC | 12 ms | 6144 KB |
027.txt | AC | 10 ms | 4352 KB |
028.txt | AC | 20 ms | 4608 KB |
029.txt | AC | 20 ms | 4608 KB |
030.txt | AC | 9 ms | 2176 KB |
031.txt | AC | 9 ms | 2176 KB |
032.txt | AC | 10 ms | 4352 KB |
033.txt | AC | 10 ms | 4352 KB |
034.txt | AC | 10 ms | 4352 KB |
035.txt | AC | 10 ms | 4352 KB |
036.txt | AC | 10 ms | 4352 KB |
037.txt | AC | 10 ms | 4352 KB |
038.txt | AC | 10 ms | 4352 KB |
039.txt | AC | 10 ms | 4352 KB |
040.txt | AC | 15 ms | 4352 KB |
041.txt | AC | 14 ms | 4992 KB |
042.txt | AC | 12 ms | 5888 KB |
043.txt | AC | 12 ms | 6016 KB |
044.txt | AC | 12 ms | 6144 KB |
045.txt | AC | 12 ms | 6144 KB |
046.txt | AC | 12 ms | 6144 KB |
047.txt | AC | 12 ms | 6144 KB |
048.txt | AC | 12 ms | 6144 KB |
049.txt | AC | 12 ms | 6144 KB |
050.txt | AC | 11 ms | 6144 KB |
051.txt | AC | 11 ms | 6144 KB |
052.txt | AC | 9 ms | 4352 KB |
053.txt | AC | 13 ms | 4352 KB |
054.txt | AC | 13 ms | 4352 KB |
055.txt | AC | 13 ms | 4352 KB |
056.txt | AC | 13 ms | 4352 KB |
057.txt | AC | 13 ms | 4352 KB |
058.txt | AC | 13 ms | 4480 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 |