#include using namespace std; using ull = unsigned long long; ull const h = (1ull << 61) - 1; ull b; ull Bs[1000010]; ull mpl(ull x, ull b) { ull ret = 0; while (b) { if (b & 1) { ret += x; ret = (ret >= h ? ret - h : ret); } x <<= 1; x = (x >= h ? x - h : x); b >>= 1; } return ret; } int main () { int N; cin >> N; random_device dev; mt19937 mm(dev()); uniform_int_distribution rd(998244353, (ull)1e15); b = rd(mm); Bs[0] = 1; for (int i = 1; i < 1000010; i ++) { Bs[i] = mpl(Bs[i - 1], b); } unordered_set st; ull hss[1000010]; for (int i = 0; i < N; i ++) { string s; cin >> s; bool ok = false; ull hs = 0; int n = s.size(); for (int i = 0; i < n; i ++) { hss[i] = mpl(s[i] + 100, Bs[n-i]); hs += hss[i]; hs = (hs >= h ? hs - h : hs); } if (st.find(hs) != st.end()) { cout << "Yes" << endl; continue; } ull hs2; for (int i = 0; i < n; i ++) { hs2 = hs + h - hss[i]; hs2 = (hs2 >= h ? hs2 - h : hs2); hs2 += h - hss[i + 1]; hs2 = (hs2 >= h ? hs2 - h : hs2); hs2 += mpl(s[i] + 100, Bs[n-i-1]); hs2 = (hs2 >= h ? hs2 - h : hs2); hs2 += mpl(s[i+1] + 100, Bs[n-i]); hs2 = (hs2 >= h ? hs2 - h : hs2); ok = ok || (st.find(hs2) != st.end()); } cout << (ok ? "Yes" : "No") << endl; st.emplace(hs); } }