flag是什么作用?#include int fun(char *s){int n=0, flag=0; while(*s!='\0') {if(*s!=' ' && flag==0) {// s++ ; } return n;}main(){char str[81]; int n; printf("\nEnter a line text:\n"); gets(str); n=fun(str); printf("\nThere are %d words
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![flag是什么作用?#include int fun(char *s){int n=0, flag=0; while(*s!='\0') {if(*s!=' ' && flag==0) {// s++ ; } return n;}main(){char str[81]; int n; printf(](/uploads/image/z/11452632-24-2.jpg?t=flag%E6%98%AF%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8%3F%23include++int+fun%28char+%2As%29%7Bint+n%3D0%2C+flag%3D0%3B++while%28%2As%21%3D%27%5C0%27%29++%7Bif%28%2As%21%3D%27+%27+%26%26+flag%3D%3D0%29+%7B%2F%2F++++s%2B%2B+%3B++%7D++return+n%3B%7Dmain%28%29%7Bchar+str%5B81%5D%3B+int+n%3B++printf%28%22%5CnEnter+a+line+text%3A%5Cn%22%29%3B+gets%28str%29%3B++n%3Dfun%28str%29%3B++printf%28%22%5CnThere+are+%25d+words)
flag是什么作用?#include int fun(char *s){int n=0, flag=0; while(*s!='\0') {if(*s!=' ' && flag==0) {// s++ ; } return n;}main(){char str[81]; int n; printf("\nEnter a line text:\n"); gets(str); n=fun(str); printf("\nThere are %d words
flag是什么作用?
#include
int fun(char *s)
{int n=0, flag=0;
while(*s!='\0')
{if(*s!=' ' && flag==0) {
//
s++ ;
}
return n;
}
main()
{char str[81]; int n;
printf("\nEnter a line text:\n"); gets(str);
n=fun(str);
printf("\nThere are %d words in this text.\n\n",n);
}
flag是什么作用?#include int fun(char *s){int n=0, flag=0; while(*s!='\0') {if(*s!=' ' && flag==0) {// s++ ; } return n;}main(){char str[81]; int n; printf("\nEnter a line text:\n"); gets(str); n=fun(str); printf("\nThere are %d words
flag汉语意思是旗帜,标记的意思,程序里的意思也就是起一个辅助判断的作用.