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26
TangDou/LuoGuBook/P1106.cpp
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26
TangDou/LuoGuBook/P1106.cpp
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#include <bits/stdc++.h>
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using namespace std;
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//共删除k个数字
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int K;
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//输入的字符串
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string s;
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int main() {
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//输入
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cin >> s >> k;
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//共删除k个数字
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while (k--) {
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//找高峰期,每次都需要从头开始找
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int i = 0;
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for (; s[i] <= s[i + 1]; i++);
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//删除函数,就是从第i个位置连续删1个。
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//如果一个也没有找到,说明没有峰值出现,那么它默认会干掉最后一个~
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s.erase(i, 1);
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}
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//处理前导零
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while (s[0] == '0' && s.size() > 1) s.erase(0, 1);
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//输出大吉
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cout << s << endl;
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return 0;
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}
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