View Compilation Error

0_0_3892368_20967.cpp:9: error: `LL' does not name a type
0_0_3892368_20967.cpp: In function `void init()':
0_0_3892368_20967.cpp:17: error: `sum' undeclared (first use this function)
0_0_3892368_20967.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3892368_20967.cpp:17: error: `LL' undeclared (first use this function)
0_0_3892368_20967.cpp: In function `void work()':
0_0_3892368_20967.cpp:31: error: `sum' undeclared (first use this function)
0_0_3892368_20967.cpp:34: error: `LL' undeclared (first use this function)