View Compilation Error

0_0_4941759_20206.cpp: In function `int main()':
0_0_4941759_20206.cpp:43: error: `el' undeclared (first use this function)
0_0_4941759_20206.cpp:43: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4941759_20206.cpp:43: error: expected `;' at end of input
0_0_4941759_20206.cpp:43: error: expected `}' at end of input
0_0_4941759_20206.cpp:43: error: expected `}' at end of input
0_0_4941759_20206.cpp:29: error: label `lp' used but not defined