View Compilation Error

0_0_15620074_4781.cpp:28:5: error: stray '\243' in program
     end=i+1；
     ^
0_0_15620074_4781.cpp:28:5: error: stray '\273' in program
0_0_15620074_4781.cpp: In function 'int main()':
0_0_15620074_4781.cpp:29:5: error: expected ';' before 'sum'
     sum=0;
     ^