View Compilation Error

0_0_22318417_25409.cpp: In function 'int main()':
0_0_22318417_25409.cpp:18:18: error: 'b' was not declared in this scope
    scanf("%d%d",&b[i][0],&b[i][1]);
                  ^
0_0_22318417_25409.cpp:28:23: error: 'b' was not declared in this scope
      if(!vis[j]&&(ans+b[j][0])%b[j][1]==0){
                       ^
0_0_22318417_25409.cpp:29:20: error: 'v' was not declared in this scope
      printf("%d\n",v[j]);
                    ^
0_0_22318417_25409.cpp:41:1: error: expected 'while' at end of input
 } 
 ^
0_0_22318417_25409.cpp:41:1: error: expected '(' at end of input
0_0_22318417_25409.cpp:41:1: error: expected primary-expression at end of input
0_0_22318417_25409.cpp:41:1: error: expected ')' at end of input
0_0_22318417_25409.cpp:41:1: error: expected ';' at end of input
0_0_22318417_25409.cpp:41:1: error: expected '}' at end of input
0_0_22318417_25409.cpp:41:1: error: expected '}' at end of input