View Compilation Error

0_0_11883613_13978.cpp: In function `bool check()':
0_0_11883613_13978.cpp:208: error: `begin' undeclared (first use this function)
0_0_11883613_13978.cpp:208: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11883613_13978.cpp:208: error: `end' undeclared (first use this function)