結果
問題 | No.491 10^9+1と回文 |
ユーザー | sekiya9311 |
提出日時 | 2017-03-10 23:50:35 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,207 bytes |
コンパイル時間 | 1,063 ms |
コンパイル使用メモリ | 114,680 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 09:06:19 |
合計ジャッジ時間 | 4,067 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 9 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 3 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | WA | - |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | WA | - |
testcase_33 | AC | 1 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,940 KB |
testcase_35 | WA | - |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | WA | - |
testcase_39 | AC | 3 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,948 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 2 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 2 ms
6,944 KB |
testcase_50 | AC | 1 ms
6,940 KB |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 2 ms
6,944 KB |
testcase_56 | AC | 1 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,940 KB |
testcase_58 | AC | 3 ms
6,944 KB |
testcase_59 | AC | 2 ms
6,944 KB |
testcase_60 | WA | - |
testcase_61 | AC | 1 ms
6,940 KB |
testcase_62 | AC | 2 ms
6,944 KB |
testcase_63 | AC | 3 ms
6,940 KB |
testcase_64 | WA | - |
testcase_65 | AC | 2 ms
6,944 KB |
testcase_66 | AC | 2 ms
6,940 KB |
testcase_67 | AC | 8 ms
6,944 KB |
testcase_68 | WA | - |
testcase_69 | AC | 2 ms
6,940 KB |
testcase_70 | AC | 2 ms
6,940 KB |
testcase_71 | WA | - |
testcase_72 | AC | 2 ms
6,940 KB |
testcase_73 | AC | 2 ms
6,940 KB |
testcase_74 | WA | - |
testcase_75 | AC | 1 ms
6,940 KB |
testcase_76 | AC | 2 ms
6,944 KB |
testcase_77 | AC | 2 ms
6,940 KB |
testcase_78 | AC | 2 ms
6,940 KB |
testcase_79 | AC | 2 ms
6,940 KB |
testcase_80 | AC | 2 ms
6,940 KB |
testcase_81 | AC | 2 ms
6,944 KB |
testcase_82 | AC | 1 ms
6,944 KB |
testcase_83 | AC | 2 ms
6,940 KB |
testcase_84 | AC | 2 ms
6,940 KB |
testcase_85 | AC | 2 ms
6,944 KB |
testcase_86 | AC | 2 ms
6,944 KB |
testcase_87 | WA | - |
testcase_88 | AC | 2 ms
6,940 KB |
testcase_89 | AC | 2 ms
6,944 KB |
testcase_90 | AC | 2 ms
6,940 KB |
testcase_91 | AC | 2 ms
6,944 KB |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | AC | 2 ms
6,940 KB |
testcase_94 | WA | - |
testcase_95 | AC | 1 ms
6,940 KB |
testcase_96 | WA | - |
testcase_97 | WA | - |
testcase_98 | WA | - |
testcase_99 | WA | - |
testcase_100 | WA | - |
testcase_101 | WA | - |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
ソースコード
#include <iostream> #include <string> #include <queue> #include <stack> #include <algorithm> #include <list> #include <vector> #include <complex> #include <utility> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <climits> #include <bitset> #include <ctime> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <cassert> #include <cstddef> #include <iomanip> #include <numeric> #include <tuple> #include <sstream> #include <fstream> #include <chrono> using namespace std; #define REP(i, n) for (int (i) = 0; (i) < (n); (i)++) #define FOR(i, a, b) for (int (i) = (a); (i) < (b); (i)++) #define RREP(i, a) for(int (i) = (a) - 1; (i) >= 0; (i)--) #define FORR(i, a, b) for(int (i) = (a) - 1; (i) >= (b); (i)--) #define DEBUG(C) cerr << #C << " = " << C << endl; using LL = long long; using VI = vector<int>; using VVI = vector<VI>; using VL = vector<LL>; using VVL = vector<VL>; using VD = vector<double>; using VVD = vector<VD>; using PII = pair<int, int>; using PDD = pair<double, double>; using PLL = pair<LL, LL>; using VPII = vector<PII>; template<typename T> using VT = vector<T>; #define ALL(a) begin((a)), end((a)) #define RALL(a) rbegin((a)), rend((a)) #define SORT(a) sort(ALL((a))) #define RSORT(a) sort(RALL((a))) #define REVERSE(a) reverse(ALL((a))) #define MP make_pair #define FORE(a, b) for (auto &&a : (b)) #define FIND(s, e) ((s).find(e) != (s).end()) #define EB emplace_back template<typename T>inline bool chmax(T &a, T b){return (a < b ? a = b, true : false);} template<typename T>inline bool chmin(T &a, T b){return (a > b ? a = b, true : false);} const int INF = 1e9; const int MOD = INF + 7; const LL LLINF = 1e18; const long double EPS = 1e-9; LL n; const LL num = 1e9 + 1; int main() { cin >> n; if (n < num) { cout << 0 << endl; return 0; } LL high = 1e9 + 10, low = 0; while (high - low > 1) { const LL mid = (high + low) / 2; if (num * mid <= n) low = mid; else high = mid; } LL cnt = low; LL ans = 0; if (cnt < 10) { cout << cnt << endl; return 0; } REP(i, to_string(low).size()) { if (i + 1 != to_string(low).size()) ans += 9 * pow(10, i / 2); else { LL nn = powl(10, ((int)to_string(low).size() - 1) / 2); LL ma = nn * 10; while (true) { string str = to_string(nn); string strbuf = str; REVERSE(strbuf); strbuf = str + strbuf; if (low >= stoll(strbuf)) ++ans; ++nn; if (nn == ma) break; } nn = ma / 10; while (true) { string str = to_string(nn); string strbuf = str; REVERSE(strbuf); REP(i, 10) { string strbuf2 = str + (char)(i + '0') + strbuf; //DEBUG(strbuf2) if (low >= stoll(strbuf2)) ++ans; } ++nn; if (nn == ma) break; } break; } } high = 1e9 + 10, low = 0; cout << ans << endl; }