結果
問題 | No.528 10^9と10^9+7と回文 |
ユーザー | satanic |
提出日時 | 2020-03-30 23:25:34 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 35 ms / 1,000 ms |
コード長 | 5,406 bytes |
コンパイル時間 | 1,357 ms |
コンパイル使用メモリ | 125,716 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-23 18:35:57 |
合計ジャッジ時間 | 2,510 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 3 ms
6,812 KB |
testcase_01 | AC | 3 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,940 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 3 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,944 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 3 ms
6,944 KB |
testcase_10 | AC | 35 ms
6,940 KB |
testcase_11 | AC | 35 ms
6,944 KB |
testcase_12 | AC | 35 ms
6,940 KB |
testcase_13 | AC | 35 ms
6,940 KB |
testcase_14 | AC | 22 ms
6,940 KB |
testcase_15 | AC | 20 ms
6,944 KB |
testcase_16 | AC | 18 ms
6,940 KB |
testcase_17 | AC | 16 ms
6,944 KB |
testcase_18 | AC | 34 ms
6,940 KB |
testcase_19 | AC | 12 ms
6,940 KB |
testcase_20 | AC | 25 ms
6,940 KB |
testcase_21 | AC | 16 ms
6,940 KB |
testcase_22 | AC | 3 ms
6,944 KB |
testcase_23 | AC | 3 ms
6,940 KB |
testcase_24 | AC | 4 ms
6,944 KB |
testcase_25 | AC | 7 ms
6,940 KB |
testcase_26 | AC | 35 ms
6,940 KB |
testcase_27 | AC | 28 ms
6,944 KB |
ソースコード
// need #include <iostream> #include <algorithm> // data structure #include <bitset> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <utility> #include <vector> #include <complex> //#include <deque> #include <valarray> #include <unordered_map> #include <unordered_set> #include <array> // etc #include <cassert> #include <cmath> #include <functional> #include <iomanip> #include <chrono> #include <random> #include <numeric> #include <fstream> // input #define INIT std::ios::sync_with_stdio(false);std::cin.tie(0); #define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__); template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; } template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest& ...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); } #define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int w_=0; w_<n; ++w_){MACRO_VEC_ROW_Scan(w_, __VA_ARGS__);} template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); } template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest& ...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); } template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; } template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest& ...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); } #define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i; #define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& R:c)for(auto& w:R)std::cin>>w; // output #define OUT(dist) std::cout<<(dist); #define FOUT(n, dist) std::cout<<std::fixed<<std::setprecision(n)<<(dist); #define SOUT(n, c, dist) std::cout<<std::setw(n)<<std::setfill(c)<<(dist); #define SP std::cout<<" "; #define TAB std::cout<<"\t"; #define BR std::cout<<"\n"; #define SPBR(w, n) std::cout<<(w + 1 == n ? '\n' : ' '); #define ENDL std::cout<<std::endl; #define FLUSH std::cout<<std::flush; #define SHOW(dist) {std::cerr << #dist << "\t:" << (dist) << "\n";} #define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";} #define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}} #define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.front() << " ";tmp.pop();}std::cerr << "\n";} #define SHOWSTACK(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.top() << " ";tmp.pop();}std::cerr << "\n";} // utility #define ALL(a) (a).begin(),(a).end() #define FOR(w, a, n) for(int w=(a);w<(n);++w) #define RFOR(w, a, n) for(int w=(n)-1;w>=(a);--w) #define REP(w, n) for(int w=0;w<int(n);++w) #define RREP(w, n) for(int w=int(n)-1;w>=0;--w) #define IN(a, x, b) (a<=x && x<b) template<class T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; } template<class T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; } // test template<class T> using V = std::vector<T>; template<class T> using VV = V<V<T>>; template<typename S, typename T> std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define random_shuffle "USE std::shuffle!"; // type/const #define int ll using ll = long long; using ull = unsigned long long; using ld = long double; using PAIR = std::pair<int, int>; using PAIRLL = std::pair<ll, ll>; constexpr int INFINT = (1 << 30) - 1; // 1.07x10^ 9 constexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9 constexpr ll INFLL = 1LL << 60; // 1.15x10^18 constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18 constexpr double EPS = 1e-10; constexpr int MOD = 1000000007; constexpr double PI = 3.141592653589793238462643383279; template<class T, size_t N> void FILL(T(&a)[N], const T& val) { for (auto& x : a) x = val; } template<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T& val) { for (auto& b : a) FILL(b, val); } template<class T> void FILL(std::vector<T>& a, const T& val) { for (auto& x : a) x = val; } template<class ARY, class T> void FILL(std::vector<std::vector<ARY>>& a, const T& val) { for (auto& b : a) FILL(b, val); } // ------------>8------------------------------------->8------------ int dp[100005][2]; int calc(std::string s, int M) { int n = s.size(); int ans = 0; // |S| = n { FILL(dp, 0ll); dp[0][0] = 1; REP(i, (n + 1) / 2) REP(j, 2) { int lim = j ? 9 : s[i] - '0'; REP(d, lim + 1) { if (i == 0 && d == 0) continue; (dp[i + 1][j || d < lim] += dp[i][j]) %= M; } } ans = dp[(n + 1) / 2][1]; { std::string t(s); REP(i, (n + 1) / 2) t[n - 1 - i] = s[i]; bool over = false; REP(i, n) { if (s[i] == t[i]) continue; if (s[i] < t[i]) { over = true; } break; } if (!over) (ans += 1) %= M; } } // |S| < n-1 V<int> pow10(n, 1); REP(i, n - 1) pow10[i + 1] = pow10[i] * 10 % M; FOR(i, 1, n) { int j = (i + 1) / 2; (ans += pow10[j] - pow10[j - 1]) %= M; } if (ans < 0) ans += M; return ans; } signed main() { INIT; VAR(std::string, s); OUT(calc(s, 1000000000))BR; OUT(calc(s, 1000000007))BR; return 0; }