View Compilation Error

0_0_9612197_15452.cpp: In function `int main()':
0_0_9612197_15452.cpp:14: error: `l' undeclared (first use this function)
0_0_9612197_15452.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9612197_15452.cpp:20: error: case label `'A'' not within a switch statement
0_0_9612197_15452.cpp:21: error: case label `'B'' not within a switch statement
0_0_9612197_15452.cpp:22: error: case label `'C'' not within a switch statement
0_0_9612197_15452.cpp:23: error: case label `'D'' not within a switch statement
0_0_9612197_15452.cpp:24: error: case label `'E'' not within a switch statement
0_0_9612197_15452.cpp:25: error: case label `'F'' not within a switch statement