View Compilation Error

0_0_18715729_16441.cpp:52:4: error: stray '\250' in program
    while(_case–){
    ^
0_0_18715729_16441.cpp: In function 'int main()':
0_0_18715729_16441.cpp:52:16: error: expected ')' before 'C'
    while(_case–){
                ^
0_0_18715729_16441.cpp:52:16: error: 'C' was not declared in this scope