Submission #1841091


Source Code Expand

#include<bits/stdc++.h>
#define N 1000006
char s0[N],t[N];
int n;
int val[N],match[N],end[N],pre[N];
int lastshow[300];
int main(){
    scanf("%d%s%s",&n,s0+1,t+1);
    for(int i=1,p;i<=n;i++){
        lastshow[s0[i]]=i;
        if(t[i]!=t[i-1]){
            p=i;
            match[i]=lastshow[t[i]];
            lastshow[t[i]]=-1;
            if(match[i]==-1) return puts("-1"),0;
        }
        end[p]=i;
    }
        
    int shift=-1,add=0,ans=0,p=0;
    for(int i=1;i<=n;i++)
        if(match[i]==end[i]){
            continue;
        }else if(match[i]!=0){
            add++;
            for(int j=p+1;j<=match[i];j++) pre[j]=pre[j-1]+val[j-shift];
            p=match[i];ans=std::max(ans,pre[p]+add);
            if(match[i]!=i) shift++;
            val[end[i]+1-shift]--;
        }
    std::cout<<ans<<std::endl;
    return 0;
}

Submission Info

Submission Time
Task F - Shik and Copying String
User Wuvin
Language C++14 (GCC 5.4.1)
Score 0
Code Size 873 Byte
Status WA
Exec Time 18 ms
Memory 17792 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%s%s",&n,s0+1,t+1);
                                ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1500
Status
AC × 3
WA × 1
AC × 13
WA × 50
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 3 ms 6400 KB
001.txt WA 2 ms 6400 KB
002.txt WA 3 ms 8448 KB
003.txt WA 3 ms 6400 KB
004.txt AC 3 ms 8448 KB
005.txt AC 3 ms 8448 KB
006.txt AC 3 ms 8448 KB
007.txt WA 3 ms 8448 KB
008.txt AC 3 ms 8448 KB
009.txt AC 3 ms 6400 KB
010.txt WA 3 ms 8448 KB
011.txt WA 3 ms 6400 KB
012.txt WA 3 ms 6400 KB
013.txt AC 3 ms 8448 KB
014.txt WA 3 ms 6400 KB
015.txt WA 3 ms 6400 KB
016.txt WA 3 ms 6400 KB
017.txt WA 3 ms 8448 KB
018.txt WA 2 ms 6400 KB
019.txt WA 3 ms 6400 KB
020.txt WA 3 ms 6400 KB
021.txt WA 2 ms 6400 KB
022.txt WA 3 ms 8448 KB
023.txt AC 3 ms 8448 KB
024.txt WA 3 ms 8448 KB
025.txt WA 18 ms 17792 KB
026.txt AC 17 ms 15744 KB
027.txt WA 10 ms 11648 KB
028.txt WA 8 ms 7552 KB
029.txt WA 8 ms 7552 KB
030.txt WA 18 ms 17792 KB
031.txt WA 11 ms 13696 KB
032.txt WA 8 ms 7552 KB
033.txt WA 8 ms 7552 KB
034.txt WA 8 ms 7552 KB
035.txt WA 8 ms 7552 KB
036.txt WA 8 ms 7552 KB
037.txt WA 8 ms 7552 KB
038.txt WA 8 ms 7552 KB
039.txt WA 8 ms 7552 KB
040.txt WA 9 ms 7552 KB
041.txt WA 8 ms 7552 KB
042.txt WA 8 ms 7552 KB
043.txt WA 8 ms 7552 KB
044.txt WA 8 ms 7552 KB
045.txt WA 8 ms 7552 KB
046.txt WA 8 ms 7552 KB
047.txt WA 8 ms 7552 KB
048.txt WA 8 ms 7552 KB
049.txt WA 8 ms 7552 KB
050.txt WA 17 ms 15744 KB
051.txt WA 17 ms 15744 KB
052.txt AC 10 ms 11648 KB
053.txt WA 8 ms 7552 KB
054.txt WA 8 ms 7552 KB
055.txt WA 8 ms 7552 KB
056.txt WA 8 ms 7552 KB
057.txt WA 8 ms 9600 KB
058.txt WA 9 ms 11648 KB
example0.txt AC 3 ms 8448 KB
example1.txt AC 3 ms 6400 KB
example2.txt AC 3 ms 8448 KB
example3.txt WA 3 ms 6400 KB