View Compilation Error

0_0_23387454_15175.cpp:5:5: error: expected primary-expression before 'long'
     long long m,n;
     ^
0_0_23387454_15175.cpp:5:5: error: expected '}' before 'long'
0_0_23387454_15175.cpp:5:5: error: expected ',' or ';' before 'long'
0_0_23387454_15175.cpp:6:10: error: expected constructor, destructor, or type conversion before '(' token
     scanf("%I64dI64d",&m,&n);
          ^
0_0_23387454_15175.cpp:9:5: error: expected initializer before 'for'
     for(int i=0;i<m;i++)
     ^
0_0_23387454_15175.cpp:9:17: error: 'i' does not name a type
     for(int i=0;i<m;i++)
                 ^
0_0_23387454_15175.cpp:9:21: error: 'i' does not name a type
     for(int i=0;i<m;i++)
                     ^
0_0_23387454_15175.cpp:12:19: error: 'j' does not name a type
     for(int j=m-1;j>=m-n;j--)
                   ^
0_0_23387454_15175.cpp:12:26: error: 'j' does not name a type
     for(int j=m-1;j>=m-n;j--)
                          ^
0_0_23387454_15175.cpp:15:9: error: expected declaration before '}' token
         }
         ^