View Compilation Error

0_0_37867944_1843.cpp:10:1: error: stray '\' in program
 Initially, there are n\geq 2n≥2 cards in the deck, with mana costs a_1,a_2,\dots,a_na 
 ^
0_0_37867944_1843.cpp:10:1: error: stray '\241' in program
0_0_37867944_1843.cpp:10:1: error: stray '\335' in program
0_0_37867944_1843.cpp:10:1: error: stray '\' in program
0_0_37867944_1843.cpp:16:2: error: stray '\241' in program
  ,…,a 
  ^
0_0_37867944_1843.cpp:16:2: error: stray '\255' in program
0_0_37867944_1843.cpp:1:1: error: 'uuzlovetree' does not name a type
 uuzlovetree knows the number of cards in the deck and knows the mana cost of each card. He wants to know the probability of getting the second card when he plays the 'Guess the weight' under the optimal guessing strategy.
 ^