View Compilation Error

0_0_12942501_24116.cpp:3: error: `ina' does not name a type
0_0_12942501_24116.cpp: In function `void unite(int, int)':
0_0_12942501_24116.cpp:23: error: `ans' undeclared (first use this function)
0_0_12942501_24116.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12942501_24116.cpp: In function `int main()':
0_0_12942501_24116.cpp:39: error: `x' undeclared (first use this function)
0_0_12942501_24116.cpp:39: error: `y' undeclared (first use this function)