PRGORAM CHU7_4; VAR N,K,I:INTEGER; A:ARRAY[1..40]OF INTEGER; PROCEDURE FIND(X:INTEGER); VAR S,I1,J1:INTEGER; P:BOOLEAN; BEGIN I1:=0; P:=TRUE; WHILE P DO BEGIN I1:=I1+1; S:=0; FOR J1:=1 TO N DO IF A[J1]>A[I1]THEN S:=S+1; IF(S=X-1)THEN BEGIN WRITELN(A[I1]); P:=FALSE END; END END; BEGIN READLN(N,K); FOR I:=1 TO N DO READ(A[I]); FIND(K); FIND(N-K); END.
输入:10 4
12 34 5 65 67 87 7 90 120 13
输出:1