View Compilation Error

0_0_5942573_23811.cpp: In function `bool adjcent(int, int, int, int)':
0_0_5942573_23811.cpp:62: error: `returntrue' undeclared (first use this function)
0_0_5942573_23811.cpp:62: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5942573_23811.cpp:63: error: `returnfalse' undeclared (first use this function)
0_0_5942573_23811.cpp: At global scope:
0_0_5942573_23811.cpp:131: error: ISO C++ forbids declaration of `intmain' with no type