View Compilation Error

0_0_39181322_5710.cpp: In function 'long long int binpow(long long int, long long int)':
0_0_39181322_5710.cpp:15:31: error: expected ';' before ':' token
   15 |         return res * res % MOD:
      |                               ^
      |                               ;
0_0_39181322_5710.cpp:15:31: error: expected primary-expression before ':' token
0_0_39181322_5710.cpp: In function 'long long int comb(long long int, long long int)':
0_0_39181322_5710.cpp:25:20: error: 'rgt' was not declared in this scope; did you mean 'gt'?
   25 |     return gt[a] * rgt[b] % MOD * rgt[a - b] % MOD;
      |                    ^~~
      |                    gt
0_0_39181322_5710.cpp: In function 'int main()':
0_0_39181322_5710.cpp:36:9: error: 'rgt' was not declared in this scope; did you mean 'gt'?
   36 |         rgt[i] = binpow(gt[i], MOD - 2);
      |         ^~~
      |         gt