oj.uz

Submission #933696

# Submission time Handle Problem Language Result Execution time Memory
933696 2024-02-26T06:40:35 Z sleepntsheep Round words (IZhO13_rowords) C++17
20 / 100
 59 ms 48220 KB 
#include<stdio.h>
#define N 4002
void rev(char*s,int n){char t;for(int i=0;i*2<n;++i)t=s[i],s[i]=s[n-1-i],s[n-1-i]=t;}
int len(char*s){int z=0;while(s[z])++z;return z;}
void cpy(char*s,char*t,int n){while(n--)*s++=*t++;}
int hi(int a,int b){return a>b?a:b;}
char s[N],t[N];
int z,dp[N][N],n,m;
void shinlena()
{
    cpy(s+1+n,s+1,n);cpy(t+1+m,t+1,m);
    for(int i=1;i<=2*n;++i)for(int j=1;j<=2*m;++j)
        dp[i][j]=hi(hi(dp[i-1][j],dp[i][j-1]),dp[i-1][j-1]+(s[i]==t[j]));
    for(int i=1;i<=n;++i)for(int j=1;j<=m;++j)
        z=hi(z,dp[i+n-1][j+m-1]-(dp[i][j]-(s[i]==t[j])));
}

int main()
{
    scanf("%s%s",s+1,t+1);n=len(s+1),m=len(t+1);
    shinlena();rev(s+1,n);shinlena();rev(t+1,m);shinlena();rev(s+1,n);shinlena();
    printf("%d",z);
}

Compilation message

rowords.cpp: In function 'int main()':
rowords.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%s%s",s+1,t+1);n=len(s+1),m=len(t+1);
      |     ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
20.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 1 ms 612 KB Output is correct
5 Incorrect 1 ms 604 KB Output isn't correct
6 Incorrect 8 ms 9820 KB Output isn't correct
7 Correct 46 ms 31836 KB Output is correct
8 Incorrect 40 ms 31836 KB Output isn't correct
9 Incorrect 42 ms 31836 KB Output isn't correct
10 Incorrect 44 ms 31836 KB Output isn't correct
11 Incorrect 49 ms 35936 KB Output isn't correct
12 Incorrect 55 ms 38236 KB Output isn't correct
13 Incorrect 53 ms 38236 KB Output isn't correct
14 Incorrect 49 ms 36124 KB Output isn't correct
15 Incorrect 59 ms 40340 KB Output isn't correct
16 Incorrect 47 ms 34108 KB Output isn't correct
17 Incorrect 41 ms 46172 KB Output isn't correct
18 Incorrect 54 ms 48220 KB Output isn't correct
19 Incorrect 40 ms 31832 KB Output isn't correct
20 Incorrect 48 ms 42072 KB Output isn't correct
21 Incorrect 22 ms 18004 KB Output isn't correct
22 Incorrect 25 ms 21852 KB Output isn't correct
23 Incorrect 33 ms 32860 KB Output isn't correct
24 Incorrect 36 ms 34140 KB Output isn't correct
25 Incorrect 46 ms 45400 KB Output isn't correct