View Compilation Error

0_0_10083627_5848.cpp: In function `int main()':
0_0_10083627_5848.cpp:52: error: `lont' does not name a type
0_0_10083627_5848.cpp:55: error: `a' undeclared (first use this function)
0_0_10083627_5848.cpp:55: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10083627_5848.cpp:55: error: `b' undeclared (first use this function)
0_0_10083627_5848.cpp:57: error: `t' undeclared (first use this function)