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52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/**
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* 1009. 说反话
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* 给定一句英语,要求你编写程序,将句中所有单词的顺序颠倒输出。
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*
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* 输入格式:测试输入包含一个测试用例,在一行内给出总长度不超过80的字符串。字符串
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* 由若干单词和若干空格组成,其中单词是由英文字母(大小写有区分)组成的字符串,
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* 单词之间用1个空格分开,输入保证句子末尾没有多余的空格。
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*
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* 输出格式:每个测试用例的输出占一行,输出倒序后的句子。
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*
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* 输入样例:
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* Hello World Here I Come
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* 输出样例:
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* Come I Here World Hello
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**/
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#include <stdio.h>
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#include <string.h>
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int main()
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{
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char line[81], line1[81] = "", line2[81];
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char *newline, *word, *temp;
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fgets(line, 81, stdin);
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newline = line1;
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word = line2;
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strcpy(word, strtok(line, " \n"));
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while(word != NULL)
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{
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/* swap */
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temp = word;
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word = newline;
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newline = temp;
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strcat(newline, " ");
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strcat(newline, word);
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temp = strtok(NULL, " \n");
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if(temp != NULL)
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{
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strcpy(word, temp);
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}
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else
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{
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word = NULL;
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}
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}
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newline[strlen(newline) - 1] = '\0';
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puts(newline);
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return 0;
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}
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