View Compilation Error

0_0_34732088_22065.cpp:4:2: error: stray '\243' in program
  int n,m,i,a[100],t,j，sum;
  ^
0_0_34732088_22065.cpp:4:2: error: stray '\254' in program
0_0_34732088_22065.cpp: In function 'int main()':
0_0_34732088_22065.cpp:4:24: error: expected initializer before 'sum'
  int n,m,i,a[100],t,j，sum;
                        ^
0_0_34732088_22065.cpp:7:3: error: 'sum' was not declared in this scope
   sum=m+n;                      //输入到一个集合中
   ^
0_0_34732088_22065.cpp:12:8: error: 'j' was not declared in this scope
   for (j=1;j<sum;j++)                   //冒泡排序
        ^