java二维数组:二维数组来源: 发布时间:星期四, 2009年2月12日 浏览:192次 评论:0
5.2.1 2维 ![]() ![]() ![]() c语言允许使用多维 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 请留心上面 ![]() ![]() ![]() 括号将各维下标括起 ![]() ![]() ![]() ![]() ![]() 和此相似 ![]() ![]() ![]() ![]() d [ 3 ] [ 5 ] 在例5 - 3中 ![]() ![]() ![]() ![]() [例5 - 3 ] ![]() { ![]() ![]() ![]() for (t=0; t<3; ![]() for (i=0;i<4; ![]() n u m [ t ] [ i ] = ( t * 4 ) + i + 1 ; } 在此例中 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 该 ![]() 2维 ![]() ![]() ![]() ![]() ![]() ![]() 按照在内存中 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 5 - 2是 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 记住 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 下列公式计算所需 ![]() 行数×列数×类型字节数=总字节数 因而 ![]() ![]() ![]() ![]() ![]() 当 2维 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 知道每 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() func1 (x) ![]() { . . . } 第 ![]() ![]() ![]() ![]() c编译 ![]() ![]() ![]() x [ 2 ] [ 4 ] 处理时 ![]() ![]() ![]() ![]() 始 ![]() [例5-4] 用 ![]() ![]() ![]() ![]() ![]() ![]() ![]() 最多有 3十名学生 ![]() ![]() ![]() ![]() ![]() # ![]() ![]() # ![]() # ![]() ![]() { void enter_grades ![]() void disp_grades( ); ![]() ![]() ![]() ![]() ![]() ![]() char ch; for( ; ;) { do { /*菜单显示* / pr ![]() pr ![]() p r i n t f ( \" ( q ) u i t \\ n \" ) ; ch=toupper(getchar ![]() ![]() } while(ch!=\'e\' && ch!=\'r\' && ch!=\'q\'); switch(ch) { ![]() enter_grades( ); b r e a k ; ![]() d i s p _ g r a d e s ( g r a d e ) ; b r e a k ; ![]() e x i t ( 0 ) ; } } } void enter_grades(a) ![]() ![]() { ![]() for (t=0;t< ![]() ![]() { pr ![]() ![]() for (i=0; i<grades; i ![]() a [ t ] [ i ] = g e t _ g r a d e ( i ) ; } } ![]() ![]() { char s[80]; pr ![]() ![]() g e t s ( s ) ;/ *输入成绩* / r e t u r n ( a t o i ( s ) ) ; } void disp_grades(g) /*显示学生成绩* / ![]() { ![]() ![]() for(t=0; t< ![]() ![]() pr ![]() ![]() ![]() f o r ( i = 0 ; i < g r a d e s ; + + i ) pr ![]() ![]() ![]() } } 我们将实际问题简化为共有2个班 ![]() ![]() ![]() ![]() # ![]() ![]() # ![]() 运行 ![]() r u n (e)nter grades (r)eport grades ( q ) u i t : e ![]() enter grade for student #17:8 enter grade for student #289: ¿ ![]() enter grade for student #19:8 ¿ enter grade for student #29:0 ¿ (e)nter grades (r)eport grades ( q ) u i t : r¿ ![]() grade for student #1 is 78 grade for student #2 is 89 ![]() grade for student #1 is 98 grade for student #2 is 90 (e)nter grades (r)eport grades (q)uit :q 运行 ![]() ![]() ![]() ![]() ![]() ![]() 退出 ![]() ![]() ![]() ![]() 5.2.2 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 令和存在 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() 符串 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() char str_ 要访问单独 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() s t r _ a r r a y中 ![]() ![]() ![]() ![]() ![]() g e t s ( s t r _ a r r a y [ 2 ] ) ; 该语句在功能上等价于: g e t s ( & s t r _ a r r a y [ 2 ] [ 0 ] ) ; 但第 ![]() ![]() ![]() ![]() ![]() 为帮助理解 ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() [例5 - 5 ] # ![]() # ![]() # ![]() char text [max][len] /* ![]() ![]() ![]() { register ![]() ![]() ![]() for(t=0;t<max; t ![]() ![]() { p r i n t f ( \" % d : \" ![]() g e t s ( t e x t [ t ] ) ; ![]() ![]() } f o r ( i = 0 ; i < t ![]() ![]() ![]() ![]() ![]() { for(j=0; text [i][j];j ![]() putchar(text [i][j]); putchar( \'\\n\'); } } 该 ![]() ![]() ![]() ![]() ![]() ![]() 0
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