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0_0_16612546_22444.cpp:1:1: error: stray '\262' in program
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 ^
0_0_16612546_22444.cpp:1:1: error: stray '\242' in program
0_0_16612546_22444.cpp:1:1: error: stray '\262' in program
0_0_16612546_22444.cpp:1:1: error: stray '\351' in program
0_0_16612546_22444.cpp:1:1: error: stray '\274' in program
0_0_16612546_22444.cpp:1:1: error: stray '\257' in program
0_0_16612546_22444.cpp: In function 'int main()':
0_0_16612546_22444.cpp:30:27: error: 'scanf' was not declared in this scope
  while(~scanf("%d%d",&n,&m))
                           ^
0_0_16612546_22444.cpp:42:30: error: 'printf' was not declared in this scope
   printf("%d\n",rank[find(0)]);
                              ^