#include <stdio.h>
main()
{
char ch,nch; /* */
int count; /* */
int k; /* */
printf("Please input a string with a # in the end.\n");
scanf("%c",&ch); /* */
while(ch != '#') /* */
{
if(ch >= '0' && ch <= '9')
{
/* */
count = ch-'0'+1; /* */
scanf("%c",&nch); /*此处输入a */
for(k=0;k<count;k++) /*若我输入ch为4 */
printf("%c",nch);/*此处应该输出为aaaaa,可是输出的却是a,而且是向下跳了'c'行后输出a,为什么？*/
}
else
printf("%c",ch); /* */
printf(" "); /* */
scanf("%c",&ch); /* */
}
// printf("#\n"); /* */
}
#include <stdio.h>
main()
{
int a=5,b,c,i=10;
b=a++;/*a=6,b=5*/
c=++b;/*c=6,b=6*/
printf("a = %d, b = %d, c = %d\n",a,b,c);/*a=6,b=6,c=6*/
printf("i,i++,i++ = %d,%d,%d\n",i,i++,i++);
/*10,10,11此处输出为10,10,10,最后的10为何？VC++6.0*/
/*12,11,10此处输出为12,11,10,为何？TC2.0*/
printf("%d\n",++i);/*13*/
printf("%d\n",--i);/*12*/
printf("%d\n",i++);/*12*/
printf("%d\n",i--);/*13*/
printf("%d\n",i);/*12*/
printf("%d\n",-i++);/*-12*/
printf("%d\n",i);/*13*/
printf("%d\n",-i--);/*-13*/
getchar();
} |
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