結果
問題 | No.1512 作文 |
ユーザー | MitI_7 |
提出日時 | 2021-05-26 16:18:49 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,323 bytes |
コンパイル時間 | 1,281 ms |
コンパイル使用メモリ | 123,064 KB |
実行使用メモリ | 57,964 KB |
最終ジャッジ日時 | 2024-10-15 12:18:12 |
合計ジャッジ時間 | 4,254 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 2 ms
5,248 KB |
testcase_35 | AC | 3 ms
5,248 KB |
testcase_36 | AC | 3 ms
5,248 KB |
testcase_37 | AC | 2 ms
5,248 KB |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | AC | 81 ms
57,964 KB |
ソースコード
#include <iostream> #include <array> #include <vector> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <algorithm> #include <cmath> #include <string> #include <climits> #include <cassert> #include <iomanip> #include <bitset> #include <queue> #include <deque> #include <stack> #include <functional> #include <fstream> #include <random> #define LEN(x) (long long)(x.size()) #define FOR(i, a, n) for(int i=(a);i<(n); ++i) #define FOE(i, a) for(auto i : a) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define SUM(x) std::accumulate(ALL(x), 0LL) #define MIN(v) *std::min_element(v.begin(), v.end()) #define MAX(v) *std::max_element(v.begin(), v.end()) #define EXIST(v, x) (std::find(v.begin(), v.end(), x) != v.end()) #define BIT_COUNT(bit) (__builtin_popcount(bit)) typedef long long LL; template<typename T> std::vector<T> make_v(size_t a){return std::vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a, Ts... ts){ return std::vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));} // C++14 template<typename T,typename V> typename std::enable_if<std::is_class<T>::value==0>::type fill_v(T &t,const V &v){t=v;} template<typename T,typename V> typename std::enable_if<std::is_class<T>::value!=0>::type fill_v(T &t,const V &v){for(auto &e:t) fill_v(e,v);} template<class T> inline T ceil(T a, T b) { return (a + b - 1) / b; } void print() { std::cout << std::endl; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { std::cout << head; if (sizeof...(tail) != 0) {std::cout << " ";} print(std::forward<Tail>(tail)...); } template <class T> void print(std::vector<T> &v) {for (auto& a : v) { std::cout << a; if (&a != &v.back()) {std::cout << " ";} }std::cout << std::endl;} template <class T> void print(std::vector<std::vector<T>> &vv) { for (auto& v : vv) { print(v); }} void debug() { std::cerr << std::endl; } template <class Head, class... Tail> void debug(Head&& head, Tail&&... tail) { std::cerr << head; if (sizeof...(tail) != 0) {std::cerr << " ";} print(std::forward<Tail>(tail)...); } template <class T> void debug(std::vector<T> &v) {for (auto& a : v) { std::cerr << a; if (&a != &v.back()) {std::cerr << " ";} }std::cerr << std::endl;} template <class T> void debug(std::vector<std::vector<T>> &vv) { for (auto& v : vv) { print(v); }} inline bool inside(long long y, long long x, long long H, long long W) {return 0 <= y and y < H and 0 <= x and x < W; } template<class T> inline double euclidean_distance(T y1, T x1, T y2, T x2) { return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); } template<class T> inline double manhattan_distance(T y1, T x1, T y2, T x2) { return abs(x1 - x2) + abs(y1 - y2); } template<typename T> T &chmin(T &a, const T &b) { return a = std::min(a, b); } template<typename T> T &chmax(T &a, const T &b) { return a = std::max(a, b); } bool is_bit_on(const unsigned long long bit, const unsigned int i) { return (bit >> i) & 1u; } unsigned long long bit_set(const unsigned long long bit, const unsigned int i, const unsigned int b) { assert(b == 0 or b == 1); if (b == 0) { return bit & ~(1ull << i); } else {return bit | (1ull << i); } } template<class T> inline std::vector<T> unique(std::vector<T> v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); return v; } // 初項s交差d長さnの数列の和 long long sum_of_arithmetic_progression(long long s, long long d, long long n) { return n * (2 * s + (n - 1) * d) / 2; } // xが2の階乗かどうか判定 bool is_power_of_two(long long x) { return !(x & (x - 1)); } long long gcd(long long a, long long b) { if (b == 0) { return a; } return gcd(b, a % b); } long long gcd(std::vector<long long> &v) { long long ans = v[0]; for (int i = 1; i < (int) v.size(); ++i) { ans = gcd(ans, v[i]); } return ans; } long long lcm(long long a, long long b) { long long g = gcd(a, b); return a / g * b; } const int INF = 1u << 30u; // 1,073,741,824 const long long LINF = 1ull << 60u; const double EPS = 1e-9; const long double PI = acos(-1.0); const std::vector<int> dy2 = {0, 1}, dx2 = {1, 0}; const std::vector<int> dy4 = {0, 1, 0, -1}, dx4 = {1, 0, -1, 0}; const std::vector<int> dy8 = {0, -1, 0, 1, 1, -1, -1, 1}, dx8 = {1, 0, -1, 0, 1, 1, -1, -1}; using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); LL N; cin >> N; auto S = make_v<string>(0); FOR(i, 0, N) { string s; cin >> s; bool ok = true; FOR(j, 0, LEN(s) - 1) { if (s[j] > s[j + 1]) { ok = false; break; } } if (not ok) { continue; } S.emplace_back(s); } auto dp = make_v<LL>(LEN(S) + 1, 26 + 1); FOR(i, 0, LEN(S)) { const auto s = S[i]; const int b = s[0] - 'a'; const int e = s.back() - 'a'; FOR(c, 0, 26) { if (c <= b) { chmax(dp[i + 1][e], dp[i][c] + LEN(s)); } chmax(dp[i + 1][c], dp[i][c]); } } LL ans = 0; FOR(c, 0, 26) { chmax(ans, dp[LEN(S)][c]); } print(ans); return 0; }