欧几里德算法:辗转求余 原理: gcd(a,b)=gcd(b,a mod b) 当b为0时,两数的最大公约数即为a getchar()会接受前一个scanf的回车符
上传时间: 2014-01-10
上传用户:2467478207
本库利用51的timer2,9600bps适用于有片内外部存储器的51芯片占用32byte缓存,重写putchar,getchar函数,循环队列,后台操作。
标签: timer2
上传时间: 2014-01-12
上传用户:plsee
RtosSerial.lib rtosSerial.h 使用说明,本库利用51的timer2,9600bps适用于有片内外部存储器的51芯片占用32byte缓存,重写putchar,getchar函数,循环队列,后台操作。 可与rtx51很好集成。任何人可以自由分发,和应用。有疑问可以联系serialrtos@163.net
标签: RtosSerial rtosSerial lib 使用说明
上传时间: 2014-01-21
上传用户:lindor
MIPS架构下串口API函数集合,包括getchar\putchar\scanf\printf
标签: getcharputcharscanfprintf MIPS API 架构
上传时间: 2015-05-16
上传用户:TRIFCT
高质量C++编程 电子版 林锐 如果输入参数以值传递的方式传递对象,则宜改用“const &”方式来传递,这样可以省去临时对象的构造和析构过程,从而提高效率。 【规则6-2-2】函数名字与返回值类型在语义上不可冲突。 违反这条规则的典型代表是C标准库函数getchar。
上传时间: 2013-12-17
上传用户:CHENKAI
AVR306串口程序例子----查询模式 Application Note AVR306 * Polled mode driver for UART, this is the similar to the * library default putchar() and getchar() in ICCAVR
标签: Application AVR 306 similar
上传时间: 2013-12-31
上传用户:ryb
①把settle定义成char型变量 ②settle=(settle>= A && settle <= B ) 写错了,改成(settle>= A && settle <= Z ) ③scanf函数后面加一句getchar()用来吸收回车键
上传时间: 2017-04-21
上传用户:moshushi0009
#include<stdio.h> #include<stdlib.h> #include<conio.h> #include<string.h> main(void) { char new_name[4], name[4]; int new_sn ,sn; printf(" 【注册】\n\n"); printf("请输入用户名(四位英文字母):"); scanf("%s", &new_name); printf("请输入密码(六位数字):") ; scanf("%d" ,&new_sn); /*system("PAUSE");*/ system("CLS");/*清屏*/ /*system("PAUSE");*/ printf(" 【登陆】\n\n"); printf("输入用户名:"); scanf("%s" , &name); if(!strcmp(new_name,name)){printf("输入用户名错误!"); }/*判断用户是否正确*/ printf("输入密码:"); scanf("%d" , &sn); if(new_sn != sn){printf("输入密码错误!"); }/*判断密码是否正确*/ system("CLS"); printf("恭喜你,登陆成功!\n"); getchar(); return 0; }
标签: C语言
上传时间: 2015-12-30
上传用户:gjatd1987
#include <iostream> using namespace std; class Student { public: Student(int, int); int num; int grade; }; Student::Student(int n, int g) { num = n; grade = g; } int maxGradeIndex(Student* s) { int maxGrade, index = 0, i = 0; maxGrade = s[0].grade; for (i = 0; i<5; i++) { if (s[i].grade > maxGrade) { maxGrade = s[i].grade; index = i; } } return index; } int main() { Student a[5] = { Student(1, 86), Student(2, 60), Student(3, 72), Student(4, 95), Student(5, 66) }; int maxGradeStNum = maxGradeIndex(a); cout << "成绩最好学生的学号是:" << a[maxGradeStNum].num << endl; cout << "成绩最好学生的成绩是:" << a[maxGradeStNum].grade << endl; getchar(); return 0; }
上传时间: 2016-04-23
上传用户:burt1025
#include <malloc.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #define NULL 0 #define MaxSize 30 typedef struct athletestruct /*运动员*/ { char name[20]; int score; /*分数*/ int range; /**/ int item; /*项目*/ }ATH; typedef struct schoolstruct /*学校*/ { int count; /*编号*/ int serial; /**/ int menscore; /*男选手分数*/ int womenscore; /*女选手分数*/ int totalscore; /*总分*/ ATH athlete[MaxSize]; /**/ struct schoolstruct *next; }SCH; int nsc,msp,wsp; int ntsp; int i,j; int overgame; int serial,range; int n; SCH *head,*pfirst,*psecond; int *phead=NULL,*pafirst=NULL,*pasecond=NULL; void create(); void input () { char answer; head = (SCH *)malloc(sizeof(SCH)); /**/ head->next = NULL; pfirst = head; answer = 'y'; while ( answer == 'y' ) { Is_Game_DoMain: printf("\nGET Top 5 when odd\nGET Top 3 when even"); printf("\n输入运动项目序号 (x<=%d):",ntsp); scanf("%d",pafirst); overgame = *pafirst; if ( pafirst != phead ) { for ( pasecond = phead ; pasecond < pafirst ; pasecond ++ ) { if ( overgame == *pasecond ) { printf("\n这个项目已经存在请选择其他的数字\n"); goto Is_Game_DoMain; } } } pafirst = pafirst + 1; if ( overgame > ntsp ) { printf("\n项目不存在"); printf("\n请重新输入"); goto Is_Game_DoMain; } switch ( overgame%2 ) { case 0: n = 3;break; case 1: n = 5;break; } for ( i = 1 ; i <= n ; i++ ) { Is_Serial_DoMain: printf("\n输入序号 of the NO.%d (0<x<=%d): ",i,nsc); scanf("%d",&serial); if ( serial > nsc ) { printf("\n超过学校数目,请重新输入"); goto Is_Serial_DoMain; } if ( head->next == NULL ) { create(); } psecond = head->next ; while ( psecond != NULL ) { if ( psecond->serial == serial ) { pfirst = psecond; pfirst->count = pfirst->count + 1; goto Store_Data; } else { psecond = psecond->next; } } create(); Store_Data: pfirst->athlete[pfirst->count].item = overgame; pfirst->athlete[pfirst->count].range = i; pfirst->serial = serial; printf("Input name:) : "); scanf("%s",pfirst->athlete[pfirst->count].name); } printf("\n继续输入运动项目(y&n)?"); answer = getchar(); printf("\n"); } } void calculate() /**/ { pfirst = head->next; while ( pfirst->next != NULL ) { for (i=1;i<=pfirst->count;i++) { if ( pfirst->athlete[i].item % 2 == 0 ) { switch (pfirst->athlete[i].range) { case 1:pfirst->athlete[i].score = 5;break; case 2:pfirst->athlete[i].score = 3;break; case 3:pfirst->athlete[i].score = 2;break; } } else { switch (pfirst->athlete[i].range) { case 1:pfirst->athlete[i].score = 7;break; case 2:pfirst->athlete[i].score = 5;break; case 3:pfirst->athlete[i].score = 3;break; case 4:pfirst->athlete[i].score = 2;break; case 5:pfirst->athlete[i].score = 1;break; } } if ( pfirst->athlete[i].item <=msp ) { pfirst->menscore = pfirst->menscore + pfirst->athlete[i].score; } else { pfirst->womenscore = pfirst->womenscore + pfirst->athlete[i].score; } } pfirst->totalscore = pfirst->menscore + pfirst->womenscore; pfirst = pfirst->next; } } void output() { pfirst = head->next; psecond = head->next; while ( pfirst->next != NULL ) { // clrscr(); printf("\n第%d号学校的结果成绩:",pfirst->serial); printf("\n\n项目的数目\t学校的名字\t分数"); for (i=1;i<=ntsp;i++) { for (j=1;j<=pfirst->count;j++) { if ( pfirst->athlete[j].item == i ) { printf("\n %d\t\t\t\t\t\t%s\n %d",i,pfirst->athlete[j].name,pfirst->athlete[j].score);break; } } } printf("\n\n\n\t\t\t\t\t\t按任意建 进入下一页"); getchar(); pfirst = pfirst->next; } // clrscr(); printf("\n运动会结果:\n\n学校编号\t男运动员成绩\t女运动员成绩\t总分"); pfirst = head->next; while ( pfirst->next != NULL ) { printf("\n %d\t\t %d\t\t %d\t\t %d",pfirst->serial,pfirst->menscore,pfirst->womenscore,pfirst->totalscore); pfirst = pfirst->next; } printf("\n\n\n\t\t\t\t\t\t\t按任意建结束"); getchar(); } void create() { pfirst = (struct schoolstruct *)malloc(sizeof(struct schoolstruct)); pfirst->next = head->next ; head->next = pfirst ; pfirst->count = 1; pfirst->menscore = 0; pfirst->womenscore = 0; pfirst->totalscore = 0; } void Save() {FILE *fp; if((fp = fopen("school.dat","wb"))==NULL) {printf("can't open school.dat\n"); fclose(fp); return; } fwrite(pfirst,sizeof(SCH),10,fp); fclose(fp); printf("文件已经成功保存\n"); } void main() { system("cls"); printf("\n\t\t\t 运动会分数统计\n"); printf("输入学校数目 (x>= 5):"); scanf("%d",&nsc); printf("输入男选手的项目(x<=20):"); scanf("%d",&msp); printf("输入女选手项目(<=20):"); scanf("%d",&wsp); ntsp = msp + wsp; phead = (int *)calloc(ntsp,sizeof(int)); pafirst = phead; pasecond = phead; input(); calculate(); output(); Save(); }
标签: 源代码
上传时间: 2016-12-28
上传用户:150501