View Compilation Error

0_0_21734007_24830.cpp:21:1: error: stray '\250' in program
 while(t–)
 ^
0_0_21734007_24830.cpp:28:1: error: stray '\250' in program
 while(n–)
 ^
0_0_21734007_24830.cpp: In function 'int main()':
0_0_21734007_24830.cpp:21:9: error: expected ')' before 'C'
 while(t–)
         ^
0_0_21734007_24830.cpp:21:9: error: 'C' was not declared in this scope