0_0_23212668_31884.cpp: In function 'void fastread(int*)':
0_0_23212668_31884.cpp:6:24: error: 'getchar_unlocked' was not declared in this scope
c=getchar_unlocked();}
^
0_0_23212668_31884.cpp:10:24: error: 'getchar_unlocked' was not declared in this scope
c=getchar_unlocked();
^
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