PC Windows 95, Windows 98, Windows NT, Windows 2000, MS-DOS, UNIX CPU

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2 PC Windows 95, Windows 98, Windows NT, Windows 2000, MS-DOS, UNIX CPU

4 1 2 C a b N: PC BC c 3C ac b 3

5 4 a F7 b Y c 6 5 a ctrl+f5) 4

6 2.2. main 2.3. main printf printf sin 5

7 pro2_3.c stdio.h stdio.h stdio.h main void int ALT ~ ALT ~ printf 6

8 printf " printf 7

9 8

10 9

12 a () n t? " " ooo xhh 2.7. char 1 (1 ) short -32,76832,767(2 15 1)2 long -2,147,483,6482,147,483,647(2 31 1) 4 int UNIX long 4 float double long double Printf() %d int %ld long %f double float %lf long double %c char %s 11

13 12

14 13

15 short 2-32,768(2 15 )32,767(2 15-1) int 2 4 long 4-2,147,483,648(2 31 )2,147,483,647(2 31-1) float double char =8bit a (5) b (25) c (5.25) 4 d (1.98) e

16 15

17 m / 60 m % 60 16

18 2.8. scanf 1 "" a 4 "" scanf() %hd short %d int %ld long %f float %lf double printf %Lf long double %c char %s 2 "" 200 b "" 4 17

19 3 start a "" "" a stop " "

20 2.10. (printf)

21 " n " "" "%f %f " "3%f%f " "%f %f " "3%f%f " 20

22 ASCII (American Standard Code for Information Interchange) P.38 (7bit, 0127) A 65 B 66 a B E ESC ( B 1B 28 4A 20-7E ASCII ESC ( J 1B E 21-7E 1978 ESC 1B E 21-7E 1983 ESC $ B 1B F ESC ( I Microsoft Windows MS-DOS Mac 1 2 (Extended Unix Code) 1 Windows NT Java 21

23 1 (char ) "%c n", m "%c n", m ( 1) "" "" 2 "(AZ) n" "%c", &moji "%c %c n", moji, moji () a(97) A(65) 32 ( b(98) B(66) 32 z(122) Z(90) 32 22

24 3 a printf("a"); putchar('a'); moji printf("%c", moji); putchar(moji); scanf("%c", &moji); moji = getchar(); printf("a n"); putchar('a'); putchar(' n'); putchar(), getchar() start start moji a stop stop 23

25 start a Yes No a100 stop 2SPD (NEC 3PAD () 4HCP (NTT) 3.2. if else switch case while do while for 24

26 if else 1 Yes No if () { else { 1 Yes start a a100 No pro3_3_1.c if else { "" "" "100 " stop "100 " () { "100 " "100 " 25

27 2 a > 100 a 100 a < 100 a 100 a = = 100 a 100 a >= 100 a 100 a <= 100 a 100 a!= 100 a <= a && a <= 100 a (AND) <= a <= 100 a < 0 a > 100 a (OR) a 100! (0 <= a && a <= 100) a 100 'A' <= c && c <= 'Z' c 'A'(65)'Z'(90) (a) P.50 (b) a (c) P.52 (d) P.52 (e) P.52 (f) (g) a x 2 + b x + c = 0 a, b, c 26

28 while 1 while () { Yes No 1 start sum 0 i 1 i 10 stop Yes No pro3_4_1.c while " = ", () 27

29 for 2 1 No () Yes for (; ; ) { 1 start sum 0 i 1 i 10 Yes No pro3_5_1.c for " = ", stop 2 (a) (b) (c) (d) (e) (f) (g) (h) =0, 5, 10,, 90 sin (i) for (j) P.55 28

30 3.6. EOF MS-DOS ^Z CTRL+ZUNIX ^D) scanf() EOF(End Of File, -1) pro3_6_1.c EOF "(^Z" "" " = ", "" 29

31 3.7. 1for (P.62 ) (a) ******* ******* ******* (b) * ** *** **** ***** (c) ***** **** *** ** * 2break pro3_7_2.c break 1,000 "", 30

32 3.8. do while 1 do { while ( ) ; Yes No 1 Yes start sum 0 i 1 i 10 stop No pro3_8_1.c do while do " = ", 2 : 0.0 : 0 : switch 1 2 (a) P (b) 3.6 else if 31

33 C 2.2 main 2 y = f ( x) = ax + bx + c x y 4.2. int main(void) { return(0); { retrun 32

34 "" 33

35 2 "" 3 (a) (b) n 1+2++n n 1+2++n 34

36 "" 35

37 3 "" 4main (1) int main(void) /* */ { return(0); /* OS 0 */ 5main (2) void main(void) /* */ { 6 (main ) printj 36

38 { 2 auto static static static auto static static [List5-15] g (static) main a (auto) fuction1 a (auto) fuction2 a (auto) main fuction1 function1 fuction2 function2 fuction1 function1 fuction2 function2 main 37

39 ( 40 M M "a0 = %d" "a1 = %d" M "a39 = %d" "a[%d] = %d" P

40 (a) P.70 6 (b) P (c) P (d) P (e) P #include <stdio.h> int main(void) { int i; int N; /* */ int rank; /* */ double dat[100]; /* */ int hist[11]; /* */ /* */ printf("(100 ) = "); scanf("%d",&n); /* */ for(i=0;i<n;i++){ printf("%3d = ",i); scanf("%lf",&dat[i]); /* */ for(i=0;i<11;i++){ hist[i]=0; /* dat[ ] hist[ ] */ for(i=0;i<n;i++){ rank = (int)(dat[i]/10.0); hist[rank]=hist[rank]+1; /* */ printf(" n"); for(i=0;i<11;i++){ printf("%3d: %d n",i*10,hist[i]); (100 ) = 6 0 = 95 1 = 56 2 = 78 3 = 85 4 = = 45 0: 0 10: 0 20: 0 30: 0 40: 1 50: 1 60: 0 70: 1 80: 1 90: 1 100: 1 return 0; 39

41 /* array1a.c ---- N * ---- dat[ ] hist[ ] */ #include <stdio.h> int main(void) { int i,j; int N; /* */ int rank; /* */ double dat[100]; /* */ int hist[11]; /* */ /* */ printf("(100 ) = "); scanf("%d",&n); /* */ for(i=0;i<n;i++){ printf("%3d = ",i); scanf("%lf",&dat[i]); /* */ for(i=0;i<11;i++){ hist[i]=0; /* dat[ ] hist[ ] */ for(i=0;i<n;i++){ rank = (int)(dat[i]/10.0); hist[rank]=hist[rank]+1; /* */ printf(" n"); for(i=0;i<11;i++){ printf("%3d:",i*10); /* */ for(j=0;j<hist[i];j++){ /* * */ printf("*"); printf(" n"); (100 ) = 20 0 = 69 1 = 79 2 = 77 3 = 80 4 = 79 5 = 82 6 = 77 7 = 70 8 = 78 9 = = = = = = = = = = = 66 0: 10: 20: 30: 40:* 50: 60:**** 70:******** 80:******* 90: 100: return 0; 40

42 5.2. : mean.c : : */ #include <stdio.h> #define MAX_DAT 100 /* */ read_dat dsum dmean dmin dmax int dat_no; /* */ double dat[max_dat]; /* */ int read_dat(void); /* */ double dsum(void); /* */ double dmean(void); /* */ double dmin(void); /* */ double dmax(void); /* */ int main(void) { printf(" n"); printf(" n n = %d n", read_dat()); /* */ printf(" = %f n", dsum()); /* */ printf(" = %f n", dmean()); /* */ printf(" = %f n", dmin()); /* */ printf(" = %f n", dmax()); /* */ return(0); main dsum /* : */ int read_dat(void){ dat_no = 0; printf("(: ^Z) n"); while(scanf("%lf", &dat[dat_no])!= EOF){ dat_no ++; if(dat_no >= MAX_DAT) break; return(dat_no); /* : */ double dsum(void){ int k; double sum = 0.0; for(k = 0; k < dat_no; k ++) sum += dat[k]; return(sum); 41

43 /* : */ double dmean(void){ if(dat_no <= 0){ printf(" n"); return(0); return(dsum() / (double)dat_no); /* : */ double dmin(void){ int k; double small; (: ^Z) ^Z = 3 = = = = if(dat_no <= 0){ printf(" n"); return(0); small = dat[0]; for(k = 1; k < dat_no; k ++){ if(small > dat[k]) small = dat[k]; return(small); /* : */ double dmax(void){ int k; double big; if(dat_no <= 0){ printf(" n"); return(0); big = dat[0]; for(k = 1; k < dat_no; k ++){ if(big < dat[k]) big = dat[k]; return(big); 42

44 5.3. main.c main read_dat dsum dmean dmin dmax main.c mean.h main.c main.obj dsum mean.exe mean.c mean.h mean.obj : main.c : : #include <stdio.h> /* (/usr/include )(stdio.h) < > */ /* mean.h */ #include "mean.h" /* (mean.h) " " */ int main(void) { printf(" n"); printf(" n n = %d n", read_dat()); /* */ printf(" = %f n", dsum()); /* */ printf(" = %f n", dmean()); /* */ printf(" = %f n", dmin()); /* */ printf(" = %f n", dmax()); /* */ return(0); 43 mean.c

45 mean.h : mean.h : (mean.c) : #ifndef MEAN_H /* MEAN_H ( include ) */ #define MEAN_H 1 /* MEAN_H */ int read_dat(void); /* */ double dsum(void); /* */ double dmean(void); /* */ double dmin(void); /* */ double dmax(void); /* */ #endif /* #ifndef MEAN_H */ mean.c : mean.c : : #include <stdio.h> #include "mean.h" #define MAX_DAT 100 /* */ int dat_no; /* () */ double dat[max_dat]; /* () */ /* : */ int read_dat(void){ dat_no = 0; printf("(: ^Z) n"); while(scanf("%lf", &dat[dat_no])!= EOF){ dat_no ++; if(dat_no >= MAX_DAT) break; return(dat_no); /* : */ double dsum(void){ int k; double sum = 0.0; for(k = 0; k < dat_no; k ++) sum += dat[k]; return(sum); 44

46 mean.c /* : */ double dmean(void){ return(dsum() / (double)dat_no); /* : */ double dmin(void){ int k; double small; if(dat_no <= 0){ printf(" n"); return(0); small = dat[0]; for(k = 1; k < dat_no; k ++){ if(small > dat[k]) small = dat[k]; return(small); /* : */ double dmax(void){ int k; double big; if(dat_no <= 0){ printf(" n"); return(0); big = dat[0]; for(k = 1; k < dat_no; k ++){ if(big < dat[k]) big = dat[k]; return(big); 45

48 in.dat (1) ex1.exe in.dat ex3.exe in.dat out.dat A B C D E

49 dat[0] dat[1] dat[2] dat[3] dat[4] dat[5] dat[6] dat[7] column ten[0][0] ten[0][1] ten[0][2] ten[1][0] ten[1][1] ten[1][2] ten[2][0] ten[2][1] ten[2][2] ten[3][0] ten[3][1] ten[3][2] ten[4][0] ten[4][1] ten[4][2] (row) (row) column int dat[3][4]; dat[1][2] = 5; 48

50 3 3 (a) p (b) p (c) 2 a (d) A B C D E (e) p

51 (f) a, b 1 * a, b * a b

52 51

プログラミングⅠ（Programming I）

プログラミングⅠ（Programming I）参考資料 1. コンピュータとプログラム 1.1. コンピュータとはハードウェア本体などソフトウェアプログラムドキュメント ( 仕様書操作法などの文書 ) 1945 年世界で最初のコンピュータ 1970 年末 ~1980 年頃パソコン登場コンピュータの種類大型コンピュータ (1960 年代 ~) ミニコンワークステーション (~90 年代 ) パソコン (PC) スーパーコンピュータ