View Compilation Error

0_0_15512960_12003.cpp:42:2: error: stray '\243' in program
  int a, b, c, i， j;
  ^
0_0_15512960_12003.cpp:42:2: error: stray '\254' in program
0_0_15512960_12003.cpp: In function 'int main()':
0_0_15512960_12003.cpp:42:19: error: expected initializer before 'j'
  int a, b, c, i， j;
                   ^
0_0_15512960_12003.cpp:47:8: error: 'i' was not declared in this scope
   for (i = 1; i <= n; i++)
        ^
0_0_15512960_12003.cpp:48:9: error: 'j' was not declared in this scope
    for (j = 1; j <= n; j++)
         ^
0_0_15512960_12003.cpp:50:8: error: 'i' was not declared in this scope
   for (i = 0; i < m; i++) {
        ^