#include<stdio.h>; #include<string.h>; void huiwen( const char* str) { int i; int flag; int len=strlen(str); char *ch=str; while(*ch!='\0') { ch++; } ch--; for(i=1;i<=len/2;i++) { if(*ch==*str) { flag=1; ch--; str++; } else { printf("不是回文字符串\n"); return; } } if(flag==1) { printf("是回文字符串\n"); } } int main() { char *str="123321"; huiwen(str); return 0; }
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时间: 2024-10-29 03:50:23