View Compilation Error

0_0_21559882_17442.cpp:15:13: error: missing terminating ' character
             sum+=a[j]-'0;  
             ^
0_0_21559882_17442.cpp: In function 'int main()':
0_0_21559882_17442.cpp:16:9: error: expected primary-expression before 'for'
         for(j=0;b[j];j++)  
         ^
0_0_21559882_17442.cpp:16:25: error: expected ';' before ')' token
         for(j=0;b[j];j++)  
                         ^