View Compilation Error

0_0_21227618_28619.cpp:2:5: error: expected unqualified-id before 'for'
     for (i=0; i <= n; ++i)  
     ^
0_0_21227618_28619.cpp:2:15: error: 'i' does not name a type
     for (i=0; i <= n; ++i)  
               ^
0_0_21227618_28619.cpp:2:23: error: expected unqualified-id before '++' token
     for (i=0; i <= n; ++i)  
                       ^
0_0_21227618_28619.cpp:4:5: error: expected unqualified-id before 'for'
     for (i=1; i <= m; ++i)  
     ^
0_0_21227618_28619.cpp:4:15: error: 'i' does not name a type
     for (i=1; i <= m; ++i)  
               ^
0_0_21227618_28619.cpp:4:23: error: expected unqualified-id before '++' token
     for (i=1; i <= m; ++i)  
                       ^