View Compilation Error

0_0_27116294_20919.cpp:4:1: error: stray '\243' in program
 {    float r,s；
 ^
0_0_27116294_20919.cpp:4:1: error: stray '\273' in program
0_0_27116294_20919.cpp:11:2: error: stray '\307' in program
  求球的体积
  ^
0_0_27116294_20919.cpp:11:2: error: stray '\363' in program
0_0_27116294_20919.cpp:11:2: error: stray '\307' in program
0_0_27116294_20919.cpp:11:2: error: stray '\362' in program
0_0_27116294_20919.cpp:11:2: error: stray '\265' in program
0_0_27116294_20919.cpp:11:2: error: stray '\304' in program
0_0_27116294_20919.cpp:11:2: error: stray '\314' in program
0_0_27116294_20919.cpp:11:2: error: stray '\345' in program
0_0_27116294_20919.cpp:11:2: error: stray '\273' in program
0_0_27116294_20919.cpp:11:2: error: stray '\375' in program
0_0_27116294_20919.cpp: In function 'int main()':
0_0_27116294_20919.cpp:5:4: error: expected initializer before 'while'
    while(~scanf("%f",&r))
    ^