{
len=strlen(chtime)-1; if(j>15)
{ len=len+1; j=11;} strcpy(ch1,\j=j-2;
strncat(ch1,chtime,len); strcpy(chtime,\
strncat(chtime,ch1,len-1); gotoxy(13,7);printf(\
gotoxy(13,7);printf(\if(ch[0]==9) goto mm; if(ch[0]==27) exit(1); }
gotoxy(3,24);printf(\gotoxy(13,10); j=0;
ch[0]=getch(); while(ch[0]!='\\r') { if (j<14)
{ strncat(chshop,ch,1); j++;}
if(ch[0]==8)
{ len=strlen(chshop)-1; strcpy(ch1,\j=j-2;
strncat(ch1,chshop,len); strcpy(chshop,\
strncat(chshop,ch1,len-1); gotoxy(13,10);printf(\
gotoxy(13,10);printf(\gotoxy(13,13); j=0;
ch[0]=getch(); while(ch[0]!='\\r') { if (j<6)
{ strncat(chmoney,ch,1); j++;}
if(ch[0]==8)
{ len=strlen(chmoney)-1; strcpy(ch1,\j=j-2;
strncat(ch1,chmoney,len); strcpy(chmoney,\
strncat(chmoney,ch1,len-1); gotoxy(13,13);printf(\
gotoxy(13,13);printf(\if((strlen(chshop)==0)||(strlen(chmoney)==0)) continue;
if((fp=fopen(\
fprintf(fp,\fputc('\\n',fp); fclose(fp); i++;
gotoxy(41,5+i);
printf(\}}}
============================================================== 【程序96】题目:计算字符串中子串出现的次数 #include \#include \main()
{ char str1[20],str2[20],*p1,*p2; int sum=0;
printf(\
scanf(\p1=str1;p2=str2; while(*p1!='\\0') {
if(*p1==*p2)
{while(*p1==*p2&&*p2!='\\0') {p1++; p2++;} } else p1++;
if(*p2=='\\0') sum++; p2=str2; }
printf(\getch();}
==============================================================
【程序97】题目:从键盘输入一些字符,逐个把它们送到磁盘上去,直到输入一个#为止。 #include \main()
{ FILE *fp;
char ch,filename[10]; scanf(\
if((fp=fopen(filename,\{printf(\exit(0);} ch=getchar(); ch=getchar(); while(ch!='#')
{fputc(ch,fp);putchar(ch); ch=getchar(); }
fclose(fp); }
============================================================== 【程序98】题目:从键盘输入一个字符串,将小写字母全部转换成大写字母,然后输出到一个磁盘文件“test”中保存。输入的字符串以!结束。 #include \main() {FILE *fp;
char str[100],filename[10]; int i=0;
if((fp=fopen(\{ printf(\exit(0);}
printf(\gets(str);
while(str[i]!='!')
{ if(str[i]>='a'&&str[i]<='z') str[i]=str[i]-32; fputc(str[i],fp); i++;} fclose(fp);
fp=fopen(\fgets(str,strlen(str)+1,fp); printf(\fclose(fp); }
==============================================================
【程序99】题目:有两个磁盘文件A和B,各存放一行字母,要求把这两个文件中的信息合并(按字母顺序排列),输出到一个新文件C中。 #include \main()
{ FILE *fp; int i,j,n,ni;
char c[160],t,ch;
if((fp=fopen(\{printf(\exit(0);}
printf(\for(i=0;(ch=fgetc(fp))!=EOF;i++) {c[i]=ch; putchar(c[i]); }
fclose(fp); ni=i;
if((fp=fopen(\{printf(\exit(0);}
printf(\for(i=0;(ch=fgetc(fp))!=EOF;i++) {c[i]=ch; putchar(c[i]); }
fclose(fp); n=i;
for(i=0;i
{t=c[i];c[i]=c[j];c[j]=t;} printf(\fp=fopen(\for(i=0;i fclose(fp); } ============================================================== 【程序100】题目:有五个学生,每个学生有3门课的成绩,从键盘输入以上数据(包括学生号,姓名,三门课成绩),计算出平均成绩,况原有的数据和计算出的平均分数存放在磁盘文件\中。 #include \struct student { char num[6]; char name[8]; int score[3]; float avr; } stu[5]; main() {int i,j,sum; FILE *fp; /*input*/ for(i=0;i<5;i++) { printf(\printf(\ scanf(\printf(\ scanf(\sum=0; for(j=0;j<3;j++) { printf(\scanf(\sum+=stu[i].score[j]; } stu[i].avr=sum/3.0; } fp=fopen(\for(i=0;i<5;i++) if(fwrite(&stu[i],sizeof(struct student),1,fp)!=1) printf(\fclose(fp); }
C语言经典程序100题(完整版)
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