View Compilation Error

0_0_36946870_20862.cpp:3:17: error: expected unqualified-id before 'for'
                 for ( int j = 1; j < m; j ++ ) printf("R");
                 ^
0_0_36946870_20862.cpp:3:34: error: 'j' does not name a type
                 for ( int j = 1; j < m; j ++ ) printf("R");
                                  ^
0_0_36946870_20862.cpp:3:41: error: 'j' does not name a type
                 for ( int j = 1; j < m; j ++ ) printf("R");
                                         ^
0_0_36946870_20862.cpp:4:13: error: expected declaration before '}' token
             } else {
             ^