六. 程序清单

　　1.program twins;const m=3; n=3 ;typestudent=recordnum:integer;name:string[3];age:integer;sex:char;s:array[1..n] of real;math,eng,phy:real;ave:real;end;sarr=array[1..m] of student;ta=array [1..m] of student;f=string[6];varstu:sarr; ct:ta; k,d:integer;procedure readin (var stu:sarr);const wrong='0<=data<=100 ,again!';var j,i:integer; a:student;beginwriteln;writeln('Input ',m,' num name sex math phy eng',' of student.');for j:=1 to m dobeginwriteln;writeln('Input the ',j,' student :');with a dobeginwrite('num:'); readln(num);write('name:'); readln(name);write('age:'); readln(age);write('sex:'); readln(sex);while (sex<>'m')and(sex<>'f') dobeginwrite('sex:'); readln(sex)end;for i:=1 to n do begincase i of1:begin write('math:'); readln(s[i]);while(s[i]<0)or(s[i]>100)dobeginwriteln(wrong);write('math:'); readln(s[i]);end;end;2:begin write('phy:'); readln(s[i]);while(s[i]<0)or(s[i]>100)dobeginwriteln(wrong);write('phy:'); readln(s[i]);end;end;3:begin write('eng:'); readln(s[i]);while(s[i]<0)or(s[i]>100)dobeginwriteln(wrong);write('eng:'); readln(s[i]);end;end;end;end;stu[j]:=a;end;writeln;end;end;procedure ave (var stu:sarr);var j,i:integer; k:real;beginfor j:=1 to m dobegink:=0;with stu[j] dobeginfor i:=1 to n do k:=k+s[i];ave:=k/nend;end;end;procedure px (var stu:sarr);var tm:ta; j,i,p:integer;beginfor j:=1 to m dobeginp:=j;for i:=j+1 to m doif stu[i].ave>stu[p].ave then p:=i;tm[1]:=stu[p]; stu[p]:=stu[j]; stu[j]:=tm[1];end;end;procedure head (ct:ta);var i:integer;beginwrite(' '); for i:=1 to 72 do write('-');writeln;write('',' num':4,' ','name':9,' ','age':8,' ','sex':5,' ','math':6,' ','phy':9,' ','eng':8,' ');writeln('ave':6,' ');write(' '); for i:=1 to 72 do write('-');writeln;with ct[1] dobeginwrite('',num:7,' ',name:8,' ',age:8,' ',sex:5,' ');for i:=1 to n do write(s[i]:7,' ');write(ave:10,' ');writeln;end;write(' '); for i:=1 to 72 do write('-');writeln;end;procedure find (var stu:sarr);var n,i:integer; u:boolean;beginu:=true;while u dobeginwrite('Into number:');readln(n);for i:=1 to m dobeginif stu[i].num=n then beginct[1]:=stu[i];u:=false;d:=iend;end;end;end;procedure del (var stu:sarr);var i:integer; b:char;beginhead(ct);write('true? Y/N'); readln(b);if b='y' then begin write('1');with stu[d] dobeginnum:=0; name:='0'; age:=0; sex:='f';for i:=1 to n do s[i]:=0;ave:=0end;endelseend;procedure tj (var stu:sarr);var w1,q1,q2,num,j:integer;h1,h2,h3:boolean;beginh1:=false;h2:=false;h3:=false;q1:=0;q2:=0;writeln(' ':30,'1.input the math 2.input the phy 3.input the eng ');readln(w1);case w1 of1:h1:=true;2:h2:=true;3:h3:=true;end;if h1 thenbeginbeginfor j:=1 to m dowith stu[j] doif stu[j].math>=60 thenq1:=q1+1elseq2:=q2+1;writeln('math:');end;if h2 thenbeginbeginfor j:=1 to m dowith stu[j] doif stu[j].phy>=60 thenq1:=q1+1elseq2:=q2+1;writeln('phy:');end;if h3 thenbeginbeginfor j:=1 to m dowith stu[j] doif stu[j].eng>=60 thenq1:=q1+1elseq2:=q2+1;writeln('eng:');end;end;end;end;writeln(' ':5,'pass num is :',q1);writeln(' ':5,'no pass num is :',q2);end;procedure head1 (var stu:sarr);var j,i:integer;beginwriteln('---------------- table--------------':60);writeln;write(' '); for i:=1 to 72 do write('-');writeln;write('',' num':4,' ','name':9,' ','age':8,' ','sex':5,' ','math':6,' ','phy':9,' ','eng':8,' ');writeln('ave':6,' ');write(' '); for i:=1 to 72 do write('-');writeln;for j:=1 to m do beginwith stu[j] dobeginwrite('',num:7,' ',name:8,' ',age:8,' ',sex:5,' ');for i:=1 to n do write(s[i]:7:1,' ');write(ave:10:1,' ');writeln;end;write(' '); for i:=1 to 72 do write('-');writeln;end;end;beginreadin(stu);ave(stu);k:=0;while k<>5 dobeginwriteln('1.readin 2.finds 3.del 4.tj 5.exit');read(k); readln;while (k<>1)and(k<>2)and(k<>3)and(k<>4)and(k<>5) dobeginwriteln(' mistake,Please again');read(k)end;case k of1: begin px(stu); head1(stu) end;2: begin find(stu); head(ct) end;3: begin find(stu); del(stu); px(stu); head1(stu) end;4: begin tj(stu); end;5: writeln('exit!');end;end;end..2.program shadow;var a,b,c,d,e:integer;right:boolean;procedure s1;beginwriteln('right!');right:=trueend;procedure s2;beginwriteln('wrong!');right:=falseend;procedure s3 (x,y:integer);var h:integer;beginwrite(x,'+',y,'=');readln(h);if h=x+y then s1else s2 end;procedure s4 (x,y:integer);var h,w:integer;beginif x< mark h:integer;beginwrite(x,?*?,y,?=");readln(h);if h=x*y then s1 else s2end;beginrandomize;e:=0;for a:=1 to 10 dobeginc:=random(90)+10;d:=random(90)+10;b:=random(3);case b of0:s3(c,d);1:s4(c,d);2:s5(c,d);end;if right then e:=e+10;end;writeln(" (x,y:integer);var s5 s2end;procedure else s1 then h="x-y" y:="wend;write(x,'-',y,'=');readln(h);if" x:="y;" w:="x;" thenbegin>

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