View Compilation Error

0_0_4475735_23374.cpp: In function `void update1(int, int, int, Node*)':
0_0_4475735_23374.cpp:67: error: redefinition of `void update1(int, int, int, Node*)'
0_0_4475735_23374.cpp:54: error: `void update1(int, int, int, Node*)' previously defined here
0_0_4475735_23374.cpp:74: error: expected primary-expression before "return"
0_0_4475735_23374.cpp:74: error: expected `;' before "return"
0_0_4475735_23374.cpp:77: error: `update2' undeclared (first use this function)
0_0_4475735_23374.cpp:77: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4475735_23374.cpp:82: error: a function-definition is not allowed here before '{' token
0_0_4475735_23374.cpp:82: error: expected `,' or `;' before '{' token
0_0_4475735_23374.cpp:93: error: expected `}' at end of input