/in/foo.c: In function 'main':
/in/foo.c:3:16: error: stray '\357' in program
 long i, res,t,x，k;int n,s;
                ^
/in/foo.c:3:17: error: stray '\274' in program
 long i, res,t,x，k;int n,s;
                 ^
/in/foo.c:3:18: error: stray '\214' in program
 long i, res,t,x，k;int n,s;
                  ^
/in/foo.c:3:19: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'k'
 long i, res,t,x，k;int n,s;
                   ^
/in/foo.c:4:19: error: 'x' undeclared (first use in this function)
 scanf("%d%d", &n,&x);
                   ^
/in/foo.c:4:19: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:12:8: error: 'k' undeclared (first use in this function)
        k = i/t;
        ^