第11、12章
上一篇 / 下一篇 2009-01-06 23:28:47 / 个人分类:编程基础
为了坚持每天写代码,所以每天将写好的代码放到blog上,也许一开始代码写的比较烂,但我相信,万丈高楼平地起,只要坚持每天写代码,编程能力一定会有很大进步的。各位朋友,对代码有什么好的建议和问题,欢迎提出来。51Testing软件测试网3t.Goy(}Tv
IU,ra6A7w0第十一章
$b x,w vA!i0hy-G)NA-k7X.TU011.1 定义一个结构体变量(包括年、月、日)。计算该日在本年中是第几天,注意闰年问题。51Testing软件测试网,Kt(IhAR
#include <stdio.h>51Testing软件测试网bNql:SB
#include <string.h>51Testing软件测试网.[
V#a;l0Ao#wtF@7S
!M%LU@+wf0struct DATA51Testing软件测试网/KJ;Bf'nyk"O$K"A
{51Testing软件测试网2r\_p
G.bW
int year;
?@!cZS5}G0 int month;51Testing软件测试网Zt;l)rP.I}7q
int day;
*DK[vM]K:E3{0};51Testing软件测试网7E IG2SZ{
D
void main()51Testing软件测试网R$rz kVVW,^+v _
{51Testing软件测试网'rZ)s)t|x6q:I^
DATA d;
+Pu ?/F+v5o-`#@d0 int RN=0;51Testing软件测试网yc1wK
AW
int result=0;51Testing软件测试网/ix1F$U7VYcK/I4P
printf("请分别输入年月日\n");51Testing软件测试网F%[#KahY1x
R7iB,|
printf("年:");51Testing软件测试网 j\w ayU7I
scanf("%d",&d.year);51Testing软件测试网4|%p5\i6E"P
printf("月:");
w5Yy6~1O2P+ZE0 scanf("%d",&d.month);
"Id:Y;WA/P+J4v"K el0 printf("日:");
@2Et%D%L eX0 scanf("%d",&d.day);51Testing软件测试网MrGh/y#] x
if((d.year%4==0&&d.year%100!=0)||(d.year%400==0))51Testing软件测试网*c |"eh8exe uO&L4C
RN=1;
)zH{;J
a"DD0 switch(d.month)51Testing软件测试网8f$w mwl3O0B-Gt
{51Testing软件测试网,mF0b'wR$r|&v9H tb
case 12:
6eb p3Y*A jN{a0 result+=30;51Testing软件测试网0@L+J:P2jk
case 11:
m$R.[1Dd;tV0 result+=31;51Testing软件测试网+VQ7XGvt"r
case 10:51Testing软件测试网&y;z5O8["F^
result+=30;51Testing软件测试网t'G#G-o@~k_wS,g4g
case 9:
*h3od(l9XcW
^MD0 result+=31;
2H7H
cbDJ0 case 8:51Testing软件测试网8A8^^
EH5L$KHNa4R#i
result+=31;
9Wkz#in7j5d-_0 case 7:51Testing软件测试网;pK:EanP-P
result+=30;51Testing软件测试网3q3R|$_-g
case 6:
LU:[3f`;em"p|M&}k0 result+=31;
5j6K
^.B~TL0 case 5:
!a2n2ln4G.~-o0 result+=30;51Testing软件测试网Jw"M,_ ~D;K4B
case 4:51Testing软件测试网(aE!hU)fc;C
result+=31;
7d"o(P$g IZy0 case 3:
q_~:x)QW0 if(RN==1)
7]
V3{E/X ?k0 result+=29;
%Lj*f8XBr#TQ
AA_0 else
+Ll&mIgb z0 result+=28;51Testing软件测试网
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tG c+HATN1_
case 2:51Testing软件测试网0Ul4?9v%@&Rny
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result+=31;
(Ap7] rnk0 case 1:51Testing软件测试网:Zyn.rlB
result+=d.day;51Testing软件测试网cl_)p6B~,l
break;51Testing软件测试网!OK0xs"D
default:51Testing软件测试网Y_(dP.X6V
printf("月份错误\n");51Testing软件测试网e
woh9w`
break;51Testing软件测试网8\E!y{A5tiK
}
O1MP"OWNa1]0 printf("该日是本年中的第%d天\n",result);51Testing软件测试网0i
{8\?o
}
11.2 写一个函数days,实现题11.1的计算。由主函数将年、月、日传递给days 函数,计算后将日子数传回主函数输出。
4Yq%[&]8g;cr.ux0#include <stdio.h>51Testing软件测试网5M1r
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`L+i
#include <string.h>
struct DATA
5F7sI|#J0{51Testing软件测试网v'[ wFcZmq
int year;
+t~n,P.`1^(_Q0 int month;
1a+PC(IB0 int day;
$?)y8T oPs0};51Testing软件测试网@8n8f!D`_!m
iRjo0|S
int days(int y,int m,int d)51Testing软件测试网4TI T ~*]2a;p
{
F-Z(Q$U^0 int result=0;
)m.]xk*};j#f7I^U0 int RN=0;
*h,l|b9c%yiN0 if((y%4==0&&y%100!=0)||(y%400==0))51Testing软件测试网-`y;VqT_vDo
RN=1;
~9psO$bUY`5b2_0 switch(m)51Testing软件测试网'`.U0B;ww
{51Testing软件测试网~iI+o
E/I:`
i-Zv
case 12:
A~^;rd(X&}8F0 result+=30;51Testing软件测试网m2v%u4zs"x E
case 11:51Testing软件测试网z(sR7Nq6}CP
result+=31;
wcZ%sg+A6T0 case 10:
+v6adI0p0slw0 result+=30;
sV{@3n S"B0 case 9:51Testing软件测试网jm$R%p4el"v!q$f
result+=31;51Testing软件测试网 ~*l~ZNyh5C+Ul(Z
case 8:51Testing软件测试网$A.Z'I"uKi
result+=31;
W8E6n&K y0 case 7:51Testing软件测试网IZ~z)re8o'R
result+=30;
3fZV Y7p%l:a}d0 case 6:51Testing软件测试网(Hz+~yYJ&F$G
result+=31;51Testing软件测试网^&E9@)Qz3vT$[Z/V
case 5:51Testing软件测试网bQuQ&?.P1[O
result+=30;
.A
mn[q W(@(fu&M_0 case 4:
*l{F2[@Q"O EI0 result+=31;51Testing软件测试网u
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case 3:51Testing软件测试网`)b
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A8J6P
if(RN==1)
{b+rx0Y7ny{0 result+=29;51Testing软件测试网0c&v?_?_B0{6m
else
rO"k;u9]D0^0 result+=28;
8mu/~&V oN d_g0 case 2:
s6d(A#zF nU$}4G)~0 result+=31;
c"eW P0M0s.} d0 case 1:
QJx5\\V[Qy0 result+=d;
F2J_:p2O0 break;51Testing软件测试网jI/pM
ZH!q.Y"e
aD
default:
XAW6zp0 printf("月份错误\n");51Testing软件测试网aEM`~?Y
return -1;51Testing软件测试网;No
j"`Lv*fwN
}51Testing软件测试网DwREd we:e
return result;
4L%Cu"Y5M0}51Testing软件测试网R(q `q-N
W&Yb!}^K4Y9H?7E"Sk0void main()51Testing软件测试网"F!M*[k?{2K$u
{
r.t2e/i5] h3fv0 DATA d;51Testing软件测试网A"A_Ff`'u
int result;51Testing软件测试网1\`FC!VN%\
printf("请分别输入年月日\n");
;U*_#L*SdJ3^"~0 printf("年:");
O+N^.ZWG#[R0 scanf("%d",&d.year);
4Ke;tQ8TG:^0 printf("月:");
O#X2\.@D0?Y/@B0 scanf("%d",&d.month);
gg9u)~;mp0 printf("日:");
-_(kCs.va g#B}0 scanf("%d",&d.day);
;T7Sh[+i]]g%Gt0 result=days(d.year,d.month,d.day);
2d6HsY5iRm0 printf("该日是本年中的第%d天\n",result);51Testing软件测试网&x^bWf
}51Testing软件测试网d'D^9?a;S)?;KEfh
11.3 编写一个函数print,打印一个学生的成绩数组,该数组中有5个学生的数据记录,每个记录包括num、name、sore[3],用主函数输入这些记录,用print函数输出这些记录。51Testing软件测试网*@;|R3DL#k#y1[c
#include <stdio.h>51Testing软件测试网 M,r'D8i%a1Q`6R
#include <string.h>51Testing软件测试网1\ sEA~
cC5jQj[?0struct DATA
/W%A p)M2s*C)S`0{51Testing软件测试网~*G%bNG/s^
int num;
I3c:jL$fSmsl2t0 char name[100];
5@xTgy,r0o[2h0 int sore[3];
I,|'v)~1@*[;P4k0}data[5];
*^t
a%LdL;z/k0void print(DATA data[5])
?FV#s#pZy0{51Testing软件测试网y0q/t"lB @kwZ
int i;51Testing软件测试网
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printf("学号、姓名、课程1分数、课程2分数、课程3分数\n");
/h+_\;M,|#x*{3pf0 for(i=0;i<5;i++)
z)pt)M-S\0 printf("%d、%s、%d、%d、%d\n",data[i].num,data[i].name,data[i].sore[0],data[i].sore[1],data[i].sore[2]);51Testing软件测试网t:Z2j5g*SE
}
void main()
vE*_}&_-^0{
5o H)q&ut*~s5p$B ww0 int i;51Testing软件测试网(~qs&Wf0G
printf("请输入5个学生的学号、姓名、3门功课成绩\n");
N3{
q7J5]H'|0 for(i=0;i<5;i++)51Testing软件测试网~BjR1w;W
{51Testing软件测试网c0C&g|qWpO#\&k
printf("学生%d的学号:",i);
{0MQ'z]0 scanf("%d",&data[i].num);
7YK/VCFg0 printf("学生%d的姓名:",i);
bWG%{qQ;S^ArX0 scanf("%s",data[i].name);51Testing软件测试网6z3Dc0k8L4m(f4A
printf("学生%d的课程1的成绩:",i);
,s,aRG
S~7p0 scanf("%d",&(data[i].sore[0]));
E+n^U q1a#O'~0 printf("学生%d的课程2的成绩:",i);