View Compilation Error

0_0_28912723_29482.cpp: In function 'int main()':
0_0_28912723_29482.cpp:22:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)//µÚN¸öѧÉúµÄËùÓпγ̵Äƽ¾ù³É¼¨
       ^
0_0_28912723_29482.cpp:24:7: error: 'i' was not declared in this scope
   for(i=0;i<n;i++)
       ^
0_0_28912723_29482.cpp:30:8: error: 'i' was not declared in this scope
    for(i=0;i<n;i++)
        ^
0_0_28912723_29482.cpp:37:7: error: 'j' was not declared in this scope
   for(j=0;j<m;j++)
       ^
0_0_28912723_29482.cpp:39:7: error: 'j' was not declared in this scope
   for(j=0;j<m;j++)
       ^
0_0_28912723_29482.cpp:46:6: error: 'i' was not declared in this scope
  for(i=0;i<n;i++)
      ^
0_0_28912723_29482.cpp:48:7: error: 'j' was not declared in this scope
   for(j=0;j<m;j++)
       ^