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codeforces 96A (implementation,

codeforces 96A (implementation,

作者: codinRay | 来源:发表于2017-03-31 20:50 被阅读0次

    http://codeforces.com/problemset/problem/96/A

    生词:
    没有

    题面:
    太水,不想说。

    // codeforces
    // 96A
    // implementation, strings
    #include <iostream>
    #include <string>
    using namespace std;
    int main() {
        string s;
        while (cin >> s) {
            bool f = false;
            int len = (int)s.length();
            int cnt = 1;
            for (int i = 1; i < len; ++i) {
                if (s.at(i) == s.at(i - 1))
                    cnt++;
                else
                    cnt = 1;
                if (cnt == 7) {
                    f = true;
                    break;
                }
            }
            cout << (f ? "YES" : "NO") << endl;
        }
        return 0;
    }
    

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