View Compilation Error

0_0_17631216_2257.cpp: In function 'int main()':
0_0_17631216_2257.cpp:7:3: error: 'sum' was not declared in this scope
   sum=0;
   ^
0_0_17631216_2257.cpp:8:14: error: 'm' was not declared in this scope
   for(j=1;j<=m;j++)
              ^
0_0_17631216_2257.cpp: At global scope:
0_0_17631216_2257.cpp:16:1: error: expected declaration before '}' token
 }
 ^