View Compilation Error

0_0_11590430_21197.cpp:82: error: expected constructor, destructor, or type conversion before '<' token
0_0_11590430_21197.cpp:82: error: expected `,' or `;' before '<' token
0_0_11590430_21197.cpp: In function `void build(flt)':
0_0_11590430_21197.cpp:101: error: `G' undeclared (first use this function)
0_0_11590430_21197.cpp:101: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11590430_21197.cpp: In function `bool find(int)':
0_0_11590430_21197.cpp:114: error: `G' undeclared (first use this function)