字符串處理

? . If you read a word in the input and the resulting line does not get longer than 80 chars, print it, else print it on a new line.?
??. If you read a <br> in the input, start a new line.?
??. If you read a <hr> in the input, start a new line unless you already are at the beginning of a line, display 80 characters of '-' and start a new line (again).

注意輸入的方式不能整行輸入，不然很不好做，要一個一個單詞的輸入

1 #include <iostream> 2 #include <cstdio> 3 #include <cstring> 4 using namespace std; 5 int main() 6 { 7 freopen("C:\\CODE\\in.txt", "r", stdin); 8 //freopen("C:\\CODE\\out.txt","w",stdout); 9 int n=0; 10 char s[1000]; 11 while(~scanf("%s",s)){ 12 if(!strcmp(s,"<br>")){ 13 puts(""); 14 n=0; 15 } 16 else if(!strcmp(s,"<hr>")){ 17 if(n) 18 puts("\n--------------------------------------------------------------------------------"); 19 else 20 puts("--------------------------------------------------------------------------------"); 21 n=0; 22 } 23 else{ 24 int len=strlen(s); 25 if(!n){ 26 n=len; 27 printf("%s",s); 28 } 29 else if(n+len+1>80){ 30 n=len; 31 printf("\n%s",s); 32 } 33 else{ 34 n+=len+1; 35 printf(" %s",s); 36 } 37 38 } 39 } 40 puts(""); 41 fclose(stdin); 42 return 0; 43 }

?

轉載于:https://www.cnblogs.com/livelihao/p/5179664.html

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