Submission #981684
Source Code Expand
#include<stdio.h> #include<algorithm> #include<vector> using namespace std; int n, A[1010000], B[1010000], cnt; vector<int>E[26]; char p[1010000], q[1010000]; int main(){ int i, pv, ck = 0, res = 0; scanf("%d",&n); scanf("%s",p+1); scanf("%s",q+1); for(i=1;i<=n;i++){ E[p[i]-'a'].push_back(i); if(p[i]!=q[i])ck = 1; } if(!ck){ printf("0\n"); return 0; } pv = n; for(i=n;i>=1;i--){ if(q[i]!=q[i-1]){ pv = min(pv, i); int x = q[i]-'a'; int t = lower_bound(E[x].begin(), E[x].end(), pv + 1) - E[x].begin(); if(!t){ printf("-1\n"); return 0; } B[++cnt] = i; A[cnt] = E[x][t-1]; pv = E[x][t-1] - 1; } } for(i=1;i<=cnt/2;i++)swap(A[i],A[cnt+1-i]),swap(B[i],B[cnt+1-i]); cnt++; A[cnt]=B[cnt]=n+1; for(i=1;i<=cnt;i++) A[i]-=i, B[i]-=i; for(i=1;i<=cnt;i++){ int t = lower_bound(A+1,A+cnt+1,B[i]) - A; res = max(res, t - i); } printf("%d\n",res+1); }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | ainta |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 1148 Byte |
Status | AC |
Exec Time | 130 ms |
Memory | 15180 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",p+1); ^ ./Main.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",q+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 | 2 ms | 256 KB |
001.txt | AC | 2 ms | 256 KB |
002.txt | AC | 2 ms | 256 KB |
003.txt | AC | 2 ms | 256 KB |
004.txt | AC | 2 ms | 256 KB |
005.txt | AC | 2 ms | 256 KB |
006.txt | AC | 2 ms | 256 KB |
007.txt | AC | 2 ms | 256 KB |
008.txt | AC | 2 ms | 256 KB |
009.txt | AC | 2 ms | 256 KB |
010.txt | AC | 3 ms | 256 KB |
011.txt | AC | 2 ms | 256 KB |
012.txt | AC | 3 ms | 256 KB |
013.txt | AC | 3 ms | 256 KB |
014.txt | AC | 2 ms | 256 KB |
015.txt | AC | 3 ms | 256 KB |
016.txt | AC | 3 ms | 256 KB |
017.txt | AC | 3 ms | 256 KB |
018.txt | AC | 2 ms | 256 KB |
019.txt | AC | 3 ms | 256 KB |
020.txt | AC | 2 ms | 256 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 2 ms | 256 KB |
023.txt | AC | 2 ms | 256 KB |
024.txt | AC | 2 ms | 256 KB |
025.txt | AC | 21 ms | 6920 KB |
026.txt | AC | 130 ms | 15112 KB |
027.txt | AC | 77 ms | 11016 KB |
028.txt | AC | 94 ms | 11972 KB |
029.txt | AC | 94 ms | 11912 KB |
030.txt | AC | 38 ms | 7852 KB |
031.txt | AC | 38 ms | 7940 KB |
032.txt | AC | 38 ms | 8136 KB |
033.txt | AC | 38 ms | 8088 KB |
034.txt | AC | 36 ms | 7884 KB |
035.txt | AC | 36 ms | 8136 KB |
036.txt | AC | 34 ms | 8008 KB |
037.txt | AC | 33 ms | 7784 KB |
038.txt | AC | 31 ms | 7884 KB |
039.txt | AC | 30 ms | 7560 KB |
040.txt | AC | 77 ms | 10912 KB |
041.txt | AC | 94 ms | 12488 KB |
042.txt | AC | 111 ms | 14440 KB |
043.txt | AC | 114 ms | 14728 KB |
044.txt | AC | 116 ms | 14600 KB |
045.txt | AC | 115 ms | 15180 KB |
046.txt | AC | 116 ms | 15048 KB |
047.txt | AC | 116 ms | 14840 KB |
048.txt | AC | 119 ms | 15044 KB |
049.txt | AC | 121 ms | 15172 KB |
050.txt | AC | 59 ms | 14776 KB |
051.txt | AC | 59 ms | 14776 KB |
052.txt | AC | 39 ms | 11124 KB |
053.txt | AC | 69 ms | 10916 KB |
054.txt | AC | 69 ms | 11080 KB |
055.txt | AC | 71 ms | 10856 KB |
056.txt | AC | 71 ms | 10888 KB |
057.txt | AC | 71 ms | 10948 KB |
058.txt | AC | 70 ms | 10824 KB |
example0.txt | AC | 2 ms | 256 KB |
example1.txt | AC | 2 ms | 256 KB |
example2.txt | AC | 2 ms | 256 KB |
example3.txt | AC | 2 ms | 256 KB |