View Compilation Error

0_0_13984250_13695.cpp:2:1: error: expected unqualified-id before 'for'
 for(i=0;i<T;i++){scanf("%ld",&n);  a=n%10;
 ^
0_0_13984250_13695.cpp:2:9: error: 'i' does not name a type
 for(i=0;i<T;i++){scanf("%ld",&n);  a=n%10;
         ^
0_0_13984250_13695.cpp:2:13: error: 'i' does not name a type
 for(i=0;i<T;i++){scanf("%ld",&n);  a=n%10;
             ^
0_0_13984250_13695.cpp:9:23: error: expected declaration before '}' token
 printf("%d\n",digit);}}
                       ^