递归实现字符串翻转
#include <cstdlib> #include <iostream> using namespace std; void reverse(char *s,int len) { char ch; if(len/2>0) { ch=*s; *s=*(s+len-1); *(s+len-1)=ch; reverse(s+1,len-2); } } int main(int argc, char *argv[]) { char *s="abcde"; reverse(s,5); puts(s); system("PAUSE"); return EXIT_SUCCESS; }
为啥程序会崩溃,想不通,求指导。。。