View Compilation Error

0_0_20482407_12074.cpp: In function 'int main()':
0_0_20482407_12074.cpp:103:14: error: 'L' was not declared in this scope
          for(L i=1;i<=m;i++){
              ^
0_0_20482407_12074.cpp:103:20: error: 'i' was not declared in this scope
          for(L i=1;i<=m;i++){
                    ^