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UVa/数组与字符串习题集(一)
2017-10-12 18:16:03 】 浏览:2160
Tags:UVa/ 字符串 习题集

UVa-272.
Description:

TEX is a typesetting language developed by Donald Knuth. It takes source text together with a few
typesetting instructions and produces, one hopes, a beautiful document. Beautiful documents use “
and ” to delimit quotations, rather than the mundane " which is what is provided by most keyboards.
Keyboards typically do not have an oriented double-quote, but they do have a left-single-quote and a right-single-quote '. Check your keyboard now to locate the left-single-quote key (sometimes
called the “backquote key”) and the right-single-quote key ' (sometimes called the “apostrophe” or
just “quote”). Be careful not to confuse the left-single-quote ` with the “backslash” key. TEX lets
the user type two left-single-quotes to create a left-double-quote “ and two right-single-quotes '' to create a right-double-quote ”. Most typists, however, are accustomed to delimiting their quotations with the un-oriented double-quote ".If the source contained "To be or not to be," quoth the bard, "that is the question." then the typeset document produced by TEX would not contain the desired form: “To be or not to be,” quoth the bard, “that is the question.” In order to produce the desired form, the source file must contain the sequence:To be or not to be,'' quoth the bard, that is the question.'' You are to write a program which converts text containing double-quote (") characters into text that is identical except that double-quotes have been replaced by the two-character sequences required by TEX for delimiting quotations with oriented double-quotes. The double-quote (") characters should be replaced appropriately by either if the " opens a quotation and by '' if the " closes a quotation.
Notice that the question of nested quotations does not arise: The first " must be replaced by , the next by '', the next by, the next by '', the next by ``, the next by '', and so on.

Input:

Input will consist of several lines of text containing an even number of double-quote (") characters.
Input is ended with an end-of-file character.

Output:

The text must be output exactly as it was input except that:
? the first " in each pair is replaced by two ` characters: `` and
? the second " in each pair is replaced by two ' characters: ''.

Sample Input:

"To be or not to be," quoth the Bard, "that
is the question".
The programming contestant replied: "I must disagree.
To C' or not toC', that is The Question!"

Sample Output:

To be or not to be,'' quoth the Bard,that
is the question''.
The programming contestant replied: `I must disagree. ToC' or not to `C', that is The Question!''

Codes:
//#define LOCAL

#include <cstdio>

int main()
{
    #ifdef LOCAL
        freopen("E:\\Temp\\input.txt", "r", stdin);
        freopen("E:\\Temp\\output.txt", "w", stdout);
    #endif

    int c, q = 1;
    while((c=getchar()) != EOF) {
        if(c == '"') {
            printf("%s", q?"``":"''");
            q = !q;
        } else 
            printf("%c", c);
    }

    return 0;
}
UVa-10082.
Description:

A common typing error is to place the hands on the keyboard one row to the right of the correct position. So ‘Q’ is typed as ‘W’ and ‘J’ is typed as ‘K’ and
so on. You are to decode a message typed in this manner.

Input:

Input consists of several lines of text. Each line may contain digits, spaces, upper case letters (except
Q, A, Z), or punctuation shown above [except back-quote (‘)]. Keys labelled with words [Tab, Ba

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