Submission #253665

#TimeUsernameProblemLanguageResultExecution timeMemory
253665VimmerSavez (COCI15_savez)C++14
0 / 120
174 ms1152 KiB
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-O3") #pragma GCC optimize("Ofast") //#pragma GCC optimize("fast-math") //#pragma GCC optimize("no-stack-protector") #define F first #define S second #define sz(x) int(x.size()) #define pb push_back #define pf push_front #define N 1000050 #define M ll(998244353) #define inf 1e9 + 1e9 using namespace std; using namespace __gnu_pbds; typedef long double ld; typedef long long ll; typedef unsigned long long ull; typedef short int si; typedef array <ll, 3> a3; typedef array <ll, 4> a4; //typedef tree <ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; map <deque<char>, int> mp; int main() { //freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout); ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; int ans = 0; for (int i = 0; i < n; i++) { string s; cin >> s; deque <char> l, r; l.clear(); r.clear(); int val = 1; for (int j = 0; j < sz(s); j++) { l.pb(s[j]); r.pf(s[sz(s) - j - 1]); //if (l == r) val = max(val, mp[l] + 1); } mp[l] = val; ans = max(ans, val); } cout << ans << endl; }
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