View Compilation Error

0_0_39801396_19254.cpp:125:24: error: stray '\243' in program
  125 |     scanf("%d%d",&n,&k)<a3><bb>
      |                        ^~~~
0_0_39801396_19254.cpp:125:25: error: stray '\273' in program
  125 |     scanf("%d%d",&n,&k)<a3><bb>
      |                            ^~~~
0_0_39801396_19254.cpp: In function 'int main()':
0_0_39801396_19254.cpp:125:24: error: expected ';' before 'build'
  125 |     scanf("%d%d",&n,&k)；
      |                        ^
      |                        ;
  126 | 
  127 |         build();
      |         ~~~~~