View Compilation Error

0_0_39185844_23631.cpp: In function 'int main()':
0_0_39185844_23631.cpp:26:25: error: 'SEED' was not declared in this scope
   26 |             K[i]=K[i-1]*SEED;
      |                         ^~~~
0_0_39185844_23631.cpp:29:31: error: 'SEED' was not declared in this scope
   29 |             Hash[i]=Hash[i+1]*SEED+(ss[i]-'a'+1);
      |                               ^~~~