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  1. /*      Coding is today's language of creativity
  2. ----------------I am NIKHIL MULCHANDANI-----------------
  3.     SARVAJANIK COLLEGE OF ENGINEERING & TECHNOLOGY,SURAT
  4.             B.E COMPUTER ENGINEERING 2ND YEAR
  5. */
  6. #include <iostream>
  7. #include<stdio.h>
  8. #include<string.h>
  9. #include<math.h>
  10. #include<stdlib.h>
  11. #include<vector>
  12. #include<string>
  13. #include<algorithm>
  14. #include<map>
  15. #include<set>
  16. #include<stack>
  17. #include<list>
  18. #include<ctype.h>
  19. using namespace std;
  20. #define array_input(a,n) for(i=0;i<n;i++)cin>>a[i];
  21. #define array_output(a,n) for(i=0;i<n;i++)cout<<a[i]<<" ";
  22.  
  23. int main()
  24. {
  25. /*  int t;
  26.   cin>>t;
  27.   while (t--) {
  28.     /* code */
  29.   //int count[62];
  30.   int n,i,j;
  31.   scanf("%d",&n);
  32.   int l[n+1][n+1];
  33.   string s,ss;
  34.   cin>>s;
  35.   ss=s;
  36.   reverse(ss.begin(),ss.end());
  37.   for ( i = 0; i <=n; i++) {
  38.     /* code */
  39.     for ( j = 0; j <=n; j++) {
  40.       /* code */
  41.       if(i==0||j==0)l[i][j]=0;
  42.       else if(s[i-1]==ss[j-1])l[i][j]=1+l[i-1][j-1];
  43.       else
  44.       {
  45.         l[i][j]=max(l[i-1][j],l[i][j-1]);
  46.       }
  47.     }
  48.   }
  49.   std::cout << n-l[n][n]<<"\n";
  50. return 0;
  51. }
  52.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
10
abcddcbaeg
stdout 
2
https://ideone.com/rVClje
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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