Submission #2405926


Source Code Expand

#include <iostream>
#include <bits/stdc++.h>

typedef long long ll;
const int MAXN=1e6+7;

using namespace std;
int c[MAXN+5];
int main()
{
    string s,t;
    int n;
    cin>>n;
    cin>>s>>t;
    if(s[0]!=t[0]|| s.length()!=t.length()){return 0*puts("-1");}
    int ans=0,k=0,sum=0;
    for(int i=n-1,j=n-1;i>=0;i--)
    {
        sum+= c[i+k];
        if( j>i || t[i]!=s[j])
        {
            while( j>=0 &&( j>i|| t[i]!=s[j])) j--;
            if(j==i) continue;
            if(j<0)
            {
                return 0*puts("-1");
            }
            k++,sum++;
            c[i+k-1]=0,c[j+k-1]--;
        }
        ans=max(ans,sum);
    }
    cout<<ans<<endl;
    return 0;
}

Submission Info

Submission Time
Task F - Shik and Copying String
User sizaif
Language C++14 (GCC 5.4.1)
Score 1500
Code Size 728 Byte
Status AC
Exec Time 77 ms
Memory 6024 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1500 / 1500
Status
AC × 4
AC × 63
Set Name Test Cases
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 66 ms 2692 KB
026.txt AC 71 ms 2692 KB
027.txt AC 70 ms 2692 KB
028.txt AC 77 ms 3720 KB
029.txt AC 77 ms 3720 KB
030.txt AC 69 ms 6024 KB
031.txt AC 70 ms 6024 KB
032.txt AC 71 ms 5896 KB
033.txt AC 71 ms 5896 KB
034.txt AC 71 ms 5896 KB
035.txt AC 71 ms 5896 KB
036.txt AC 71 ms 5896 KB
037.txt AC 71 ms 5896 KB
038.txt AC 70 ms 5896 KB
039.txt AC 70 ms 5896 KB
040.txt AC 74 ms 3976 KB
041.txt AC 76 ms 3336 KB
042.txt AC 72 ms 2692 KB
043.txt AC 72 ms 2692 KB
044.txt AC 71 ms 2692 KB
045.txt AC 71 ms 2692 KB
046.txt AC 71 ms 2692 KB
047.txt AC 71 ms 2692 KB
048.txt AC 71 ms 2692 KB
049.txt AC 71 ms 2692 KB
050.txt AC 63 ms 2692 KB
051.txt AC 63 ms 2692 KB
052.txt AC 63 ms 2692 KB
053.txt AC 74 ms 4232 KB
054.txt AC 72 ms 4232 KB
055.txt AC 72 ms 3592 KB
056.txt AC 72 ms 3464 KB
057.txt AC 72 ms 3336 KB
058.txt AC 72 ms 3336 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