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int averege4( int a , int b , int c , int d ) { return ( averege3 ( a , b , c ) + d) / 2; }
int averege3( int a , int b , int c ) { return ( averege2 ( a , b ) + c) / 2; }
int averege2( int a , int b ) { return ( averege1 ( a ) + b) / 2; }
int averege1( int a ) { return ( 0 + a / 2 ); }
why do the result is wrong?