View Compilation Error

0_0_21213729_30166.cpp:49:5: error: stray '\241' in program
     　for(i=0;i<N;i++)
     ^
0_0_21213729_30166.cpp:49:5: error: stray '\241' in program
0_0_21213729_30166.cpp: In function 'long long int dfs(int)':
0_0_21213729_30166.cpp:30:6: error: expected ',' or ';' before 'int'
      int i;
      ^
0_0_21213729_30166.cpp:32:10: error: 'i' was not declared in this scope
      for(i=0;i<k;i++)
          ^
0_0_21213729_30166.cpp: In function 'int main()':
0_0_21213729_30166.cpp:69:14: error: 'fx' was not declared in this scope
              fx=finds(g[i].a);
              ^
0_0_21213729_30166.cpp:70:14: error: 'fy' was not declared in this scope
              fy=finds(g[i].b);
              ^