View Compilation Error

0_0_9120125_18281.cpp: In function `int main()':
0_0_9120125_18281.cpp:86: error: `uf' undeclared (first use this function)
0_0_9120125_18281.cpp:86: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9120125_18281.cpp:86: error: expected `;' before "mind"