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谁能告诉我这是为什么 讨厌的getline总觉得getline有问题 如果输入 START NS BFW, JAJSYX TK NRUTWYFSHJ FWJ YMJ WJXZQY TK YWNANFQ HFZXJX END while(cin >> s && s != "ENDOFINPUT") // 这一步 s = START 没错 //下一个循环这里的S = “BFW,"吃掉第二个。 { getline(cin, input); //第一次可是getline后 input竟然是空的 设么都没有 //第二次此时input = "JAJSYX TK NRUTWYFSHJ FWJ YMJ WJXZQY TK YWNANFQ HFZXJX" 已经不完整了 int i, k; for(i = 0; i < input.length(); i ++) { if(input[i] >= 'A' && input[i] <= 'Z') { k = input[i] - 'A'; k = ((k - 5) + 26)%26; input[i] = 'A' + k; } } //上面循环自然不进行了 cout << input << endl; //输出个空循环 cin >> s; //这是的s = "NS"把一行的吃掉前一个单词 } Followed by:
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