View Compilation Error

0_0_21031492_10989.cpp: In function 'int main()':
0_0_21031492_10989.cpp:12:9: error: expected ',' or ';' before 'int'
         int rows = (L + row_people - 1) / row_people;
         ^
0_0_21031492_10989.cpp:14:24: error: 'rows' was not declared in this scope
         printf("%d\n", rows);
                        ^