View Compilation Error

0_0_39232949_24957.cpp:6:48: error: stray '\243' in program
    6 |         printf("%.0f\n", 3 * pow(2, n - 1) - 2)<a3><bb>
      |                                                ^~~~
0_0_39232949_24957.cpp:6:49: error: stray '\273' in program
    6 |         printf("%.0f\n", 3 * pow(2, n - 1) - 2)<a3><bb>
      |                                                    ^~~~
0_0_39232949_24957.cpp: In function 'int main()':
0_0_39232949_24957.cpp:6:48: error: expected ';' before 'return'
    6 |         printf("%.0f\n", 3 * pow(2, n - 1) - 2)；
      |                                                ^
      |                                                ;
    7 |     return 0;
      |     ~~~~~~