View Compilation Error

0_0_17631230_20979.cpp: In function 'int main()':
0_0_17631230_20979.cpp:9:14: error: 'm' was not declared in this scope
   for(j=1;j<=m;j++)
              ^
0_0_17631230_20979.cpp: At global scope:
0_0_17631230_20979.cpp:17:1: error: expected declaration before '}' token
 }
 ^