( ) ( ) ( ) A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9 (OUS) 9 26 1 / 28
( ) ( ) ( ) A B C D Z a b c d z 0 1 2 9 (OUS) 9 26 2 / 28
( ) for (data Data ) (OUS) 9 26 3 / 28
( ) ( ) kadai 0510kadai ( ) kadai0510 kadai-0510 ( - ) FOR ( ) fime_name ( ) FileName ( ) md MaxData MinData MonthData (OUS) 9 26 4 / 28
C auto double int struct break else long switch case enum register typedef char extern return union const float short unsigned continue for signed void default goto sizeof volatile do if static while include stdioh printf scanf (OUS) 9 26 5 / 28
1 #include <stdioh> 2 int main(void){ 3 int auto; 4 auto=5; 5 printf("auto %d Y=n",auto); 6 return 0; 7 } auto (OUS) 9 26 6 / 28
C dt=100; dt 100 (= ) (OUS) 9 26 7 / 28
10 8 16 (u, U, l, L, LL) (a 30 ) a=30; a=036; a=0x1e; a=30u;! LL(long long) L (OUS) 9 26 8 / 28
e E (a 123456 b 0000123 ) a=123456; a=123456e+02; b=0000123; b=123e-04;! c=100f c=1000f 000000000000123 (OUS) 9 26 9 / 28
( A ) A A ( (1) (2) ) int c; c= A ; // (1) c=65; // (2) (OUS) 9 26 10 / 28
( ) 1 #include <stdioh> 2 void main(void){ 3 char c; 4 int n; 5 c= A ; 6 n=5; 7 printf("%c %d %c Y=n",c,n,c+n); 8 } A 5 F (OUS) 9 26 11 / 28
( : moji )! C a="moji" 8 char txt[10]="hello"; // txt "Hello" strcpy(txt, "Hello"); // txt "Hello" (OUS) 9 26 12 / 28
printf() Y=n Y= n ( ) Y=n ( ), Y=t ( ), Y=xhh (16 ) a=0x32 a= Y=x32 2 (OUS) 9 26 13 / 28
( ) printf("abcy=tklmy=nnopy=nsy=tty=tuy=n"); printf("y=tmnoy=n"); printf("123456y=t7890y=n"); printf("1234567y=t890y=n"); printf("12345678y=t90y=n"); abc klm nop s t u mno 123456 7890 1234567 890 12345678 90 (OUS) 9 26 14 / 28
(16 ) printf("%dy=n", Y=x30 ); 48 16 30 10 (%d) (OUS) 9 26 14 / 28
if(i<=3286){ 3286 if(i<=maxdata){ #define MaxData 3286 ( ; ) MaxData 3286 (OUS) 9 26 15 / 28
(1 max ) 1 #include <stdioh> 2 #define max 10 3 int main(void){ 4 int i, sum=0, pro=1, sum2=0; 5 for(i=1;i<=max;i++) 6 sum+=i; 7 for(i=1;i<=max;i++) 8 pro*=i; 9 for(i=1;i<=max;i++) 10 sum2+=i*i; 11 printf("1 %d,, Y=n",max); 12 printf("%d, %d, %dy=n",sum,pro,sum2); 13 return 0; 14 } (OUS) 9 26 16 / 28
1 10,, 55, 3628800, 385 (OUS) 9 26 17 / 28
( ) 1 #include <stdioh> 2 #define wa(a,b) ((a)+(b)) 3 #define pri(dt) printf("%dy=n",dt) 4 5 int main(void){ 6 int c; 7 c=wa(10,20); 8 pri(c); 9 return 0; 10 } (OUS) 9 26 18 / 28
30 (OUS) 9 26 19 / 28
const const const int dt=100; dt 100 // (OUS) 9 26 20 / 28
printf II 22 printf printf(, ); : abc, 123,,, Y=t, Y=n : %d %s [%+ ] (OUS) 9 26 21 / 28
%o 8 %d 10 %x 16 ( ) %X 16 ( ) %ld long 10 %f %e ( ) %E ( ) %c %s %p (OUS) 9 26 22 / 28
a=1;b=2;c=3; printf(" %d, %d, %d Y=n",a,b,c); 1, 2, 3 (OUS) 9 26 23 / 28
% (OUS) 9 26 24 / 28
%d 10 %8d 8 10 0 %08d 8 10 0 %-8d 8 10 %f %102f (, 1 ) 10 2 (OUS) 9 26 25 / 28
(, 1) #include<stdioh> void main(void){ int a=2,b=13,c=321; printf("a=%4d,y=n",a); printf("b=%4d,y=n",b); printf("c=%04d,y=n",c); } a= 2, b= 13, c=0321, (OUS) 9 26 26 / 28
(, 2) #include<stdioh> void main(void){ int a=20; double da=-123456789; printf("a=%8d,y=na=%08d,y=na=%-8d,y=n",a,a,a); printf("da=%fy=n",da); printf("da=%104fy=n",da); printf("da=%104fy=n",da*(-1)); } (OUS) 9 26 27 / 28
a= 20, a=00000020, a=20, da=-12345679 da= -123457 da= 123457 3 (a ) 8 3 (da ) ( )10 10 (OUS) 9 26 28 / 28