導入基礎演習.ppt

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2 Multi-paradigm Programming Functional Programming Scheme Haskell ML Scala X10 KL1 Prolog Declarative Lang. C Procedural Lang. Java C++ Python Object-oriented Programming

7 / (root) bin home lib lab7 hatto hatto hatto

9 .c program.c emacs cc program.c a.out./a.out

10 main() printf("hello World!\n");

11 main() printf("hello World!\n"); Hello World!

12 main() printf("hello World!\n"); \n

13 Hello Japan! Hello Asia! Hello World!

14 main() printf("hello Japan!\nHello Asia!\nHello World!"); main() printf("hello Japan!\n"); printf("hello Asia!\n"); printf("hello World!\n");

15 main() printf("hello Japan! Hello Asia! Hello World!");

16 main() printf( %d\n, 2+3);

17 main() printf( %d %d\n, 2+3, 3+4);

$printf(" %.0f \n", z); float tax(int x) return(x * 0.$

20 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05);

21 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05);.h

22 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05); stdio.h printf.h printf(. );

$0f \n", z); float tax(int x) return(x * 0.05);.h stdio.$

23 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05);.h stdio.h printf printf(. );

24 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05);

$printf(" %.0f \n", z); float tax(int x) return(x * 0.$

25 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05); return

26 float tax(int x); main() float z; = z = tax(1000); printf(" %.0f \n", z); float tax(int x) return(x * 0.05);

27 float tax(int x); main() float z; z = tax(1000); tax z printf(" %.0f \n", z); float tax(int x) return(x * 0.05);

29 float tax(int x); float tax(int x) return(x * 0.05); main() float z; z = tax(1000); printf(" %.0f \n", z);

30 float tax(int x); main() float z; z = tax(1000); printf(" %.0f \n", z); float tax(int x) // return(x * 0.05);

31 z = 15; printf("the number is %.1f\n", z);

32 if int total = 14; int absence = 3; if (absence <= (total / 4)) printf( You made it! n ); int total = 14; int absence = 3; int report = 7; if ((absence <= (total / 4)) && (report >= 7)) printf( You made it! n );

33 if else int total = 14; int absence = 3; if (absence <= (total / 4)) printf( You made it! n ); else printf( See you next year! n );

34 main() int currenttime = 18; if(currenttime < 12) printf("good morning!\n"); else if (currenttime? < 18) printf("good afternoon!\n"); else printf("good evening!\n");

35 main() int currenttime = 18; if(currenttime < 12) printf("good morning!\n"); else if (currenttime < 18) printf("good afternoon!\n"); else printf("good evening!\n");

36 for ; ; main() int seed = 5; int fact = 1; int i; for(i = seed; 0 < i; i- - ) fact = fact * i; printf("result: %d\n", fact);

37 (define fact (lambda (n) (if (= n 0) 1 (* (fact (- n 1)) n)))) int factorial(int x); int main() int seed = 5; printf("result: %d\n", factorial(seed)); int factorial(int x) if (x == 0) return 1; else return (factorial(x- 1)*x);

39 1: 2: 3: main() 4: 5: int total = 14; int absence = 3; int report = 6; 6: 7: if ((absence <= (total / 4)) && (report >= 7)) 8: printf("you made it!"); 9: else 10: printf("see you next year!"); 11: 12: prog6.c: In function main : prog6.c:12: error: expected declaration or statement at end of input prog6.c:12: error: expected declaration or statement at end of input

Informatics 2014

Informatics 2014 C 計算機の歴史手回し計算機新旧のソロバンバベッジの階差機関スパコン ENIAC (1946) パソコン大型汎用計算機電卓現在のコンピュータ Input Output Device Central Processing Unit I/O CPU Memory OS (Operating System) OS Windows 78, Vista, XP Windows Mac OS X