foo.cc:5:18: error: expected ']' before ',' token
    5 | int N,NA,NB,PA[20,0,1,0,100],PB[200],SA=0,SB=0;
      |                  ^
      |                  ]
foo.cc:5:19: error: expected unqualified-id before numeric constant
    5 | int N,NA,NB,PA[20,0,1,0,100],PB[200],SA=0,SB=0;
      |                   ^
foo.cc: In function 'int main()':
foo.cc:14:22: error: 'PA' was not declared in this scope; did you mean 'NA'?
   14 |                 cin>>PA[i];
      |                      ^~
      |                      NA
foo.cc:16:22: error: 'PB' was not declared in this scope; did you mean 'NB'?
   16 |                 cin>>PB[i];
      |                      ^~
      |                      NB
foo.cc:23:17: error: 'SA' was not declared in this scope; did you mean 'S'?
   23 |                 SA*=N/lcm;
      |                 ^~
      |                 S
foo.cc:24:17: error: 'SB' was not declared in this scope; did you mean 'S'?
   24 |                 SB*=N/lcm;
      |                 ^~
      |                 S
foo.cc:27:15: error: 'SA' was not declared in this scope; did you mean 'S'?
   27 |         cout<<SA<<" "<<SB;
      |               ^~
      |               S
foo.cc:27:24: error: 'SB' was not declared in this scope; did you mean 'S'?
   27 |         cout<<SA<<" "<<SB;
      |                        ^~
      |                        S
foo.cc: In function 'void compute(int)':
foo.cc:38:25: error: 'SA' was not declared in this scope; did you mean 'S'?
   38 |                         SA+=S[PA[i]][PB[j]];
      |                         ^~
      |                         S
foo.cc:38:31: error: 'PA' was not declared in this scope; did you mean 'NA'?
   38 |                         SA+=S[PA[i]][PB[j]];
      |                               ^~
      |                               NA
foo.cc:38:38: error: 'PB' was not declared in this scope; did you mean 'NB'?
   38 |                         SA+=S[PA[i]][PB[j]];
      |                                      ^~
      |                                      NB
foo.cc:39:25: error: 'SB' was not declared in this scope; did you mean 'S'?
   39 |                         SB+=S[PB[j]][PA[i]];
      |                         ^~
      |                         S

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