View Compilation Error

0_0_33667565_27653.cpp:13:1: error: stray '\243' in program
 int q[N]，vis[N];
 ^
0_0_33667565_27653.cpp:13:1: error: stray '\254' in program
0_0_33667565_27653.cpp:13:11: error: expected initializer before 'vis'
 int q[N]，vis[N];
           ^
0_0_33667565_27653.cpp: In function 'int main()':
0_0_33667565_27653.cpp:23:13: error: 'vis' was not declared in this scope
             vis[i]=0;
             ^
0_0_33667565_27653.cpp:27:70: error: 'vis' was not declared in this scope
             if(a[i].first==a[i-1].first&&a[i].second==a[i-1].second) vis[i]=vis[i-1] = 1;
                                                                      ^
0_0_33667565_27653.cpp:30:9: error: 'q' was not declared in this scope
         q[++tot]=1;
         ^
0_0_33667565_27653.cpp:42:26: error: 'vis' was not declared in this scope
         rep(i,1,tot) if(!vis[q[i]]) ans++;
                          ^