View Compilation Error

0_0_17840846_17322.cpp:13:5: error: stray '\243' in program
     int t,n,i,k；
     ^
0_0_17840846_17322.cpp:13:5: error: stray '\273' in program
0_0_17840846_17322.cpp: In function 'int main()':
0_0_17840846_17322.cpp:14:5: error: expected initializer before 'long'
     long long sum;
     ^
0_0_17840846_17322.cpp:16:33: error: 'k' was not declared in this scope
     while(t--&&scanf("%d%d",&n,&k)!=EOF)
                                 ^
0_0_17840846_17322.cpp:18:17: error: 'sum' was not declared in this scope
         for(i=1,sum=0;i<n;i++)
                 ^
0_0_17840846_17322.cpp:23:13: error: 'sum' was not declared in this scope
             sum+=a[i];
             ^
0_0_17840846_17322.cpp:24:27: error: 'sum' was not declared in this scope
         printf("%lld\n",n+sum);
                           ^