提出詳細

#include <iostream>
#include <string>

signed main() {
    std::string s;
    std::cin >> s;
    bool ok = false;
    for (int i = 1; i < s.size(); i++)
        ok |= s[i] == s[i - 1];
    std::cout << (ok ? "Yes" : "No") << '\n';
}

sample1.txt AC 2
sample2.txt AC 2
sample3.txt AC 3
case1.txt AC 12
case2.txt AC 11
case3.txt AC 6
case4.txt AC 14
case5.txt AC 13
case6.txt AC 11
case7.txt AC 15
case8.txt AC 8
case9.txt AC 8
case10.txt AC 8
case11.txt AC 17
case12.txt AC 17
case13.txt AC 17
case14.txt AC 17
case15.txt AC 17
17 AC17 AC