View Compilation Error

0_0_10896267_21047.cpp: In function `void union_set(int, int)':
0_0_10896267_21047.cpp:37: error: `count' undeclared (first use this function)
0_0_10896267_21047.cpp:37: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10896267_21047.cpp: In function `void del(int)':
0_0_10896267_21047.cpp:44: error: `count' undeclared (first use this function)
0_0_10896267_21047.cpp: In function `int main()':
0_0_10896267_21047.cpp:56: error: `ans' undeclared (first use this function)
0_0_10896267_21047.cpp:69: error: `count' undeclared (first use this function)