View Compilation Error

0_0_18004467_15032.cpp: In function 'int main()':
0_0_18004467_15032.cpp:37:26: error: 'j' was not declared in this scope
      for (int i=1;i>=shu[j]*m;i++)    
                          ^
0_0_18004467_15032.cpp:38:17: error: 'o' cannot be used as a function
   ans=(ans+o(j%4)*dp[i-shu[j]*m]+mo)%mo;
                 ^