View Compilation Error

0_0_31217265_17041.cpp:22:2: error: stray '\243' in program
  scanf("%d",&t)； 
  ^
0_0_31217265_17041.cpp:22:2: error: stray '\273' in program
0_0_31217265_17041.cpp: In function 'int main()':
0_0_31217265_17041.cpp:23:2: error: expected ';' before 'while'
  while(t--)
  ^
0_0_31217265_17041.cpp:31:46: error: expected '}' at end of input
     a[i].sum=a[i].score1*0.3+a[i].score2*0.7;%
                                              ^