src.cpp:18:9: error: stray '\357' in program
printf("%d\n",c)；
^
src.cpp:18:9: error: stray '\274' in program
src.cpp:18:9: error: stray '\233' in program
src.cpp: In function 'int main()':
src.cpp:7:21: error: 'a' was not declared in this scope
scanf("%d%d%d",