第二章

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Unformatted text preview: 第 2 第 PL/0 第第第第 第第第第第第 PL/0 第第第第第第第 , 第第第第第第第第第第第第第第第第第第 1 PL/0 第第第第第第第 2 PL/0 第第第第第第第第第 ( 第第第第第第第第第第第 3 PL/0 第第第第第第第第第第第 4 第第第第第第第第 pcode 第第第第第 1. PL/0 第第第第第第第 PL/0 第第第第 PL/0 第第第第 第 p 第 code 第第 第第第 ( PL/0 ) 第第第第 ( 第 p 第 code ) 第第第第第 pascal/C) PL/0 第 p 第 code pascal/C PL/0 第第第第 第 p 第 code 第第第第 第 p 第 code 第第 PL/0 第第第 第第第第 第第第第 PL/0 第第第第第第第第第 PL/0 第第 PL/0 第第第 PASCAL 第第第 第第 PL/0 第第第第 PL/0 第 第第第第第 PL/0 第第 第 EBNF 第第 PL/0 第第第第 CONST A=10; 第 * 第第第第第第 * 第 VAR B,C; 第 * 第第第第第第 * 第 PROCEDURE P; 第 * 第第第第第第 * 第 VAR D; 第 * P 第第第第第第第第第 * 第 PROCEDURE Q; 第 * P 第第第第第第第第第 * 第 VAR X; BEGIN READ(X); D:=X; WHILE X#0 DO CALL P; END; BEGIN WRITE(D); CALL Q; END; BEGIN CALL P; END. Q 第第第 p 第第第 第第第第 第第第第第第第第第第第第第第第第第第第第 ❚ ❚ var r, h, len, a1, a2, volumn; ❚ begin ❚ read(r); ❚ read(h); ❚ ❚ len := 2 * 3 * r; ❚ a1 := 3 * r * r; ❚ a2 := a1 + a1 + len * h; ❚ volumn := a1 * h; ❚ ❚ write(len); ❚ write(a1); ❚ write(a2); ❚ write(volumn); ❚ end. 第第第第第第第 var m, n, r, q; { 第第 m 第 n 第第第第第第 } procedure gcd; begin while r#0 do begin q := m / n; r := m - q * n; m := n; n := r; end end; begin read(m); read(n); { 第第第第第第第 m >= n } if m < n then begin r := m; m := n; n := r; end; begin r:=1; call gcd; write(m); end; end. pl/0 第第-- 第第第第 var n; procedure rec; begin if n # 0 then begin write(n); n := n - 1; call rec; end; end; begin read(n); call rec; end. 计计 sum = 1! + 2 ! + ... + n!, n 计计计计计计 var n, m, fact, sum; { 第第第第 fact = m! } procedure factorial; begin if m > 0 then begin fact := fact * m; m := m - 1; call factorial; end; end; begin {...
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This note was uploaded on 11/23/2011 for the course CS Compile taught by Professor Weizhong during the Spring '05 term at Fudan University.

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