node = Program(program_name, block_node) # 创建程序节点 self.eat(DOT) # 验证程序结束符号 return node # 返回程序节点 def term(self): node = self.factor() while self.current_token.value_type in (MUL, INTEGER_DIV, FLOAT_DIV): # 除法修改为整数除法和浮点数除法token = self.current_token ...
之后a = 1,b = 2,c = 5,d = 6;注意: - 变量类型与输入的数据类型必须一致 - 输入顺序与变量顺序要一致 变量及数据处理 要在程序var区域定义变量 program aPlusB; {简单的A+B程序} var a,b:longint; begin readln(a,b); writeln(a+b); end. Pascal的标准数据类型 整型 表示整数 |类型|数值范围...
C Program #include <stdio.h> int main() { int i, j; char input, alphabet = 'A'; printf("Enter an uppercase character you want to print in the last row: "); scanf("%c", &input); for (i = 1; i <= (input - 'A' + 1); ++i) { for (j = 1; j <= i; ++j) {...
if c[i]<g then begin g:=c[i];h:=i;end;这里有错误典型贪心陈题改编的要用动态规划program zldcl;var a,b,c:array[1..500] of integer;m,n,i,j,x,s,t:integer;f1,f2:text;procedure move(s:integer); //var i,j,g,h:integer;beging:=c[1];for i:=1 to s doif c[...
PASCAL中,保留字分为6种共36个:(1)程序、函数、过程符号 program,function,procedure (2)说明部分专用定义符号 array,const,file,label,of packed,record,set,type,var （3）语句专用符号 case,do,downto,else,for,forward,goto,if,repeat,then,to until,while,with (4)运算符号 and,div,in,mod...
PASCAL programexpected valuesANOVA modelsThis paper illustrates how expected mean squares needed in the analysis of variance can be arrived at via the use of only one rule: the E(MS) for any source of variation for any ANOVA model is the specified effect (main effect or interaction) plus ...
Program lx2.14; type point=^people; 定义结点类型 people=record name:string[10]; name--数据域,存放姓名 next:point; next--指针域,存放后继结点的地址 end; var head,p,q1,q2:point; n,i:integer; begin new(head);head^.next:=nil; 定义头结点,初始链表为空 ...
program exArrays; var n: array [1..10] of integer; (* n is an array of 10 integers *) i, j: integer; begin (* initialize elements of array n to 0 *) for i := 1 to 10 do n[ i ] := i + 100; (* set element at location i to i + 100 *) (* output each array el...
program c2;const MaxN = 20;var N, M, i: Byte;ans, s: Longint;x: array[1 .. MaxN] of Longint;f: array[1 .. 10000] of Byte;p: array[1 .. 1229] of Integer;procedure Get_Prime;var i, j, s: Integer;begin s := 0;f[1] := 0;for i := 2 to 10000 do ...
program zftj;var ch :char;a,b,c :longint;k :longint;begin read(ch);a:=0; b:=0; c:=0;while ch<>'$' do {边读数据边判断} begin k:=ord(ch);if (k>=48) and (k<=57) then inc(a)else if ((k>=65) and (k<=90)) or ((k>=97) and(k<=122...