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這不是很戲劇化的發展嗎

c007: 00272 - TeX Quotes

  • 1258 字
  • 次閱讀
  • 則評論
  1. 1. 內容
  2. 2. 範例輸入
  3. 3. 範例輸出
  4. 4. 想法
  5. 5. 程式碼

CPE 一顆星選集 49 道必考題

題目連結:https://zerojudge.tw/ShowProblem?problemid=c007

內容

給定若干列文字，將每組雙引號的第一個用``代替、第二個用’’代替。

範例輸入

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

範例輸出

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

想法

使用 getline 一次讀取一列，接著遍歷，遇到雙引號就判斷，其餘則直接輸出。

程式碼

C++
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#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(false), cin.tie(nullptr)
using namespace std;

int main(){
    fastio;
    string s;
    bool dir = true;
    while(getline(cin, s)){
        for(int i = 0; i < s.length(); ++i){
            if(s[i] == '"'){
                if(dir){
                    cout << "``";
                    dir = !dir;
                }
                else {
                    cout << "''";
                    dir = !dir;
                }
            }
            else cout << s[i];
        }
        cout << "\n";
    }
}