C語言與軟件技術(shù)基礎(chǔ)指針(二)上機(jī)報告

1、C 語言與軟件技術(shù)基礎(chǔ)實(shí)驗六：指針(三)一、實(shí)驗?zāi)康? 1) 通過實(shí)驗進(jìn)一步掌握指針的概念，會定義和使用指針變量。(2)能正確使用數(shù)組的指針和指向數(shù)組的指針變量。(3)能正確使用字符串的指針和指向字符串的指針變量。二、實(shí)驗內(nèi)容編程序并上機(jī)調(diào)試運(yùn)行。1、有一個班 4個學(xué)生 5門課程。( 1)求第一門課程的平均分；( 2)找出有2 門以上課程不及格的學(xué)生，輸出他們的學(xué)號和全部課程成績及平均成績；(3)找出平均成績在 90分以上的學(xué)生。分別編 3 個函數(shù)實(shí)現(xiàn)以上要求。代碼：#include <>void main()void fun1( int ( * stu)5) ;void fun2

2、( int ( * stu)5) ;void fun3( int ( * stu)5) ;int stu45 ;int i,j ;printf( "input the students'scores:n" ) ; for (i =0;i <4;i +)printf( "student%dn" ,i + 1) ;for (j =0;j <5;j +)printf( "course%d:" ,j + 1) ; scanf( "%d", &stuij);printf( "n"

3、; ) ;fun1(stu) ;printf( "n" ) ;fun2(stu) ;printf( "n" ) ; fun3(stu) ;void fun1( int ( * stu)5)int ave ;printf( "fun1n" ) ;ave = ( * stu + *( *stu + 1) + *(*stu + 2) + *(*stu + 3) + *(*stu + 4) / 5;printf( "The first couse ave socre is :%dn",ave) ;void fun2( in

4、t ( * stu)5)int i,j ;int cnt,sum ;printf( "fun2n" ) ;printf("This students have more than 2 courses's score less than 60 :n" ) ;for (i = 0 ;i < 4;i +) cnt= 0 ;sum = 0 ;for (j = 0 ;j < 5;j +)if (*(*(stu + i) + j) < 60)cnt+ ;if (cnt >= 2) printf("stu_id is:%-4d

5、n" ,i +1) ;for (j = 0;j < 5;j +)+ j) ;printf( "score%d is:%-4d" ,j +1, * ( *(stu + i) sum += *(*(stu + i) + j) ; printf("n" ) ;printf("ave is:%-4dn" ,sum / 5) ;void fun3( int ( * stu)5)int ave,sum ;int i,j ;printf( "fun3n" ) ;printf("This students

6、 ave score more than 90 :n") ;for (i = 0 ;i < 4;i +)sum = 0 ;for (j = 0;j < 5;j +)sum += * ( * (stu + i) + j) ;ave= sum / 5 ;if (ave>= 90)printf("stu_id is :%-4dn" ,i +1)printf("ave is:%-4dn" ,sum / 5)printf("n" ) ;結(jié)果：HSO FTV YjVa nbi r,ww?em p. exeFunlTil

7、e fir Sib GUUe avc ULrc=55Fun2This studLeritG have noie tRan 2 coLii'ueC1 c ecorethan £0 -sXuL_iil 1-& -2s corel is :b&朱core? is :bK score3 isSJjV scoi*e4 is :bkJ scoreE> is :t>3ave is s E?1fun 3This students aue score nor*e than - stLi_id is -1a.ve xs ： 9GLnput the students*

8、scores: studentlcauFsel：98c uuir-ae2 -?"5coLirseS : V4COUFSB4-?c olifubS -9*3studentscourselc ourceS 5-8courses«59 couhps：b4 <60 emirsfs5 ；63 c oursei ：56i&ours；s2GouroQS s®7couir&BBbZcourses：783 tudcrkt4courssl-67 coursb2：89 mill*烷??？cauiracl sG2c oLtrse& ：4b2、編寫一個程序，輸入

9、月份，輸出該月的英文月名。例如，輸入“ 3”，則輸出“ March”，要求用指針數(shù)組實(shí)現(xiàn)代碼:#inelude <>void main()char*month_n ame13= "illegalmon th", "Ja nu ary" , "February" , "March", "April","May", "June", "July" , "August" , "September", "October" , "November", "De cember"int n;printf( "in put mon th:n");scanf(