foo.cpp: In function 'int main()':
foo.cpp:67:28: warning: unknown conversion type character 'l' in format [-Wformat=]
   scanf("%d%d%lld",&a,&b,&c);
                            ^
foo.cpp:67:28: warning: too many arguments for format [-Wformat-extra-args]
foo.cpp:78:2: error: expected ';' before 'while'
  while(m--){
  ^
foo.cpp:89:1: error: expected '}' at end of input
 }
 ^