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#include <bits/stdc++.h>
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using namespace std;
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/**
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* 功能:判断一个数字是不是包含7或者是7的倍数
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* @param t
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* @return
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*/
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bool IncludeSeven(int t) {
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if (t % 7 == 0) return true;
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//数位分离
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while (t) {
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int c = t % 10;
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if (c == 7) return true;
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t /= 10;
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}
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return false;
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}
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int main() {
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//调试非常重要,这一个技能糖豆一定要熟练掌握。
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//输入+输出重定向
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freopen("../1380.in", "r", stdin);
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freopen("../1380.out", "w", stdout);
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int n, m, t;
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cin >> n >> m >> t;
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vector<string> v1;
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for (int i = 0; i < n; ++i) {
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string name;
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cin >> name;
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v1.push_back(name);
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}
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//第m个人--->在数组中就是m-1号索引
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int index = m - 1;
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while (v1.size() > 1) {
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t++;
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index++;
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//如果到达最后一个后还在增加,那么回到数组的开头位置
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if (index == v1.size()) index = 0;
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//如果包含7或者是7的倍数,那么需要删除
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if (IncludeSeven(t)) {
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//删除对应的index位置的数据
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v1.erase(v1.begin() + index);
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//还回一个位置
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index--;
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}
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}
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cout << v1[0] << endl;
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//关闭文件
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fclose(stdin);
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fclose(stdout);
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return 0;
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}
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