結果
問題 | No.910 素数部分列 |
ユーザー | knshnb |
提出日時 | 2019-10-18 21:50:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,799 bytes |
コンパイル時間 | 2,756 ms |
コンパイル使用メモリ | 189,988 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-25 15:33:49 |
合計ジャッジ時間 | 4,188 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | WA | - |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | WA | - |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | AC | 4 ms
5,376 KB |
testcase_42 | WA | - |
testcase_43 | AC | 3 ms
5,376 KB |
testcase_44 | AC | 3 ms
5,376 KB |
testcase_45 | AC | 3 ms
5,376 KB |
testcase_46 | AC | 3 ms
5,376 KB |
testcase_47 | WA | - |
testcase_48 | AC | 3 ms
5,376 KB |
testcase_49 | AC | 3 ms
5,376 KB |
testcase_50 | AC | 3 ms
5,376 KB |
testcase_51 | AC | 2 ms
5,376 KB |
testcase_52 | AC | 3 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; template <class T> using treap = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; using Int = long long; #define REP(i, n) for (long long i = 0, max_i = (n); i < max_i; i++) #define REPI(i, a, b) for (long long i = (a), max_i = (b); i < max_i; i++) #define ALL(obj) begin(obj), end(obj) #define RALL(obj) rbegin(obj), rend(obj) #define fi first #define se second using ii = pair<Int, Int>; vector<ii> dirs = { {1, 0}, {0, 1}, {-1, 0}, {0, -1}, // 4方向 {1, 1}, {-1, 1}, {-1, -1}, {1, -1}, // 斜め {0, 0}, // 自身 }; Int get_msb(long long x) { assert(x != 0); return 63 - __builtin_clzll(x); } Int get_lsb(long long x) { assert(x != 0); return __builtin_ctzll(x); } template <class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } return false; } template <class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; } return false; } template <class T, class S> vector<T> make_vec(size_t n, S x) { return vector<T>(n, x); } template <class T, class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec<T>(ts...))>(n, make_vec<T>(ts...)); } // debug template <class T> ostream& operator<<(ostream& s, const vector<T>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : " "); return s; } template <class T> ostream& operator<<(ostream& s, const vector<vector<T>>& d) { REP (i, d.size()) s << d[i] << (i == d.size() - 1 ? "" : "\n"); return s; } template <class T, class S> ostream& operator<<(ostream& s, const pair<T, S>& p) { s << "{" << p.first << ", " << p.second << "}"; return s; } template <class T> ostream& operator<<(ostream& s, const set<T> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; } template <class T> ostream& operator<<(ostream& s, const multiset<T> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; } template <class T, class S> ostream& operator<<(ostream& s, const map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; } template <class T, class S> ostream& operator<<(ostream& s, const unordered_map<T, S> m) { for (auto it = m.begin(); it != m.end(); it++) { s << *it << (next(it) == m.end() ? "" : "\n"); } return s; } #ifdef _MY_DEBUG #define dump(...) cerr << "/* " << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << endl, dump_func(__VA_ARGS__), cerr << "*/\n\n"; #else #define dump(...) #define endl "\n" #endif void dump_func() { cerr << endl; } template <class Head, class... Tail> void dump_func(Head&& h, Tail&&... t) { cerr << h << (sizeof...(Tail) == 0 ? "" : ", "), dump_func(forward<Tail>(t)...); } struct Fast { Fast() { cin.tie(nullptr); ios::sync_with_stdio(false); } } fast; mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); constexpr Int MOD = 1000000007; // *************** TEMPLATE END *************** signed main() { Int n; cin >> n; string s; cin >> s; Int ans = 0; Int one = 0, nine = 0; for (char c : s) { if (c == '3' || c == '5' || c == '7') { ans++; } else if (c == '9') { if (one > 0) { one--; ans++; } else { nine++; } } else if (c == '1') { if (nine >= 2) { nine -= 2; ans++; } else { one++; } } else assert(0); } ans += one / 2; cout << ans << endl; }