{"id":67,"date":"2016-11-01T00:56:43","date_gmt":"2016-11-01T00:56:43","guid":{"rendered":"http:\/\/www.haoyuan.info\/?p=67"},"modified":"2016-11-01T00:56:43","modified_gmt":"2016-11-01T00:56:43","slug":"10-32%e6%9f%a5%e6%89%be%e4%bb%85%e6%9c%89%e4%b8%80%e4%b8%aa%e7%9a%84%e5%ad%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/haoyuan.info\/?p=67","title":{"rendered":"10.32\u67e5\u627e\u4ec5\u6709\u4e00\u4e2a\u7684\u5b57\u7b26"},"content":{"rendered":"

[hide][code lang=”c”]
\n#include <stdio.h>
\n#include <string.h>
\n#include <stdlib.h>
\n#define tableSize 256 \/\/\u521b\u5efa\u4e00\u4e2a\u54c8\u5e0c\u8868\uff0c\u56e0\u4e3aASCII\u7801\u8868\u4e2d\u53ea\u67090~255\u5171256\u4e2a\u5b57\u7b26\u3002<\/p>\n

char First_Char(char* pString)
\n{
\n if (!pString) \/\/\u8f93\u5165\u4e0d\u5408\u6cd5
\n return 0;
\n int hashTable[tableSize];
\n for (int i = 0; i < tableSize; i++)
\n hashTable[i] = 0;
\n \/\/\u786e\u5b9a\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u51fa\u73b0\u7684\u6b21\u6570
\n char* pHashKey = pString;
\n while (*(pHashKey) != ‘\0’)
\n hashTable[*(pHashKey++)]++;
\n \/\/\u627e\u5230\u5b57\u7b26\u4e32\u4e2d\u53ea\u51fa\u73b0\u4e00\u6b21\u7684\u90a3\u4e2a\u5b57\u7b26
\n pHashKey = pString;
\n while (*pHashKey != ‘\0’)
\n {
\n if (hashTable[*pHashKey] == 1)
\n return*pHashKey;
\n pHashKey++;
\n }
\n \/\/\u5982\u679c\u8fd9\u4e2a\u5b57\u7b26\u4e32\u4e3a\u7a7a\uff0c\u6216\u8005\u5b57\u7b26\u4e32\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u90fd\u81f3\u5c11\u51fa\u73b0\u4e24\u6b21
\n return 0;
\n}<\/p>\n

int main(void)
\n{
\n char str[1000]; \/\/\u8fd9\u4e2a\u51fd\u6570\u662f\u5728\u5b57\u7b26\u4e32\u7279\u522b\u5927\u65f6\u5efa\u8bae\u4f7f\u7528\uff0c\u6545\u5b9a\u4e49\u4e00\u4e2a\u5927\u5c0f\u4e3a1000\u7684\u6570\u7ec4
\n int a,i;
\n scanf("%d",&a);
\n for (i = 0; i < a; i++) {
\n scanf("%s",str);
\n if (First_Char(str) == 0)
\n printf("NO\\n");
\n else
\n printf("%c\\n", First_Char(str));
\n }
\n return 0;
\n}
\n[\/code]
\n[\/hide]<\/p>\n","protected":false},"excerpt":{"rendered":"

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