結果
問題 | No.528 10^9と10^9+7と回文 |
ユーザー | FF256grhy |
提出日時 | 2018-08-02 01:43:48 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 23 ms / 1,000 ms |
コード長 | 4,636 bytes |
コンパイル時間 | 1,572 ms |
コンパイル使用メモリ | 170,472 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-23 18:35:26 |
合計ジャッジ時間 | 2,735 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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 23 ms
6,940 KB |
testcase_11 | AC | 23 ms
6,940 KB |
testcase_12 | AC | 23 ms
6,940 KB |
testcase_13 | AC | 23 ms
6,940 KB |
testcase_14 | AC | 14 ms
6,940 KB |
testcase_15 | AC | 13 ms
6,940 KB |
testcase_16 | AC | 12 ms
6,940 KB |
testcase_17 | AC | 10 ms
6,944 KB |
testcase_18 | AC | 22 ms
6,944 KB |
testcase_19 | AC | 8 ms
6,940 KB |
testcase_20 | AC | 16 ms
6,940 KB |
testcase_21 | AC | 10 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 4 ms
6,944 KB |
testcase_26 | AC | 23 ms
6,940 KB |
testcase_27 | AC | 23 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long signed int LL; typedef long long unsigned int LU; #define incID(i, l, r) for(int i = (l) ; i < (r); i++) #define incII(i, l, r) for(int i = (l) ; i <= (r); i++) #define decID(i, l, r) for(int i = (r) - 1; i >= (l); i--) #define decII(i, l, r) for(int i = (r) ; i >= (l); i--) #define inc(i, n) incID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec(i, n) decID(i, 0, n) #define dec1(i, n) decII(i, 1, n) #define inII(v, l, r) ((l) <= (v) && (v) <= (r)) #define inID(v, l, r) ((l) <= (v) && (v) < (r)) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define UB upper_bound #define LB lower_bound #define PQ priority_queue #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define FOR(it, v) for(auto it = v.begin(); it != v.end(); ++it) #define RFOR(it, v) for(auto it = v.rbegin(); it != v.rend(); ++it) template<typename T> bool setmin(T & a, T b) { if(b < a) { a = b; return true; } else { return false; } } template<typename T> bool setmax(T & a, T b) { if(b > a) { a = b; return true; } else { return false; } } template<typename T> bool setmineq(T & a, T b) { if(b <= a) { a = b; return true; } else { return false; } } template<typename T> bool setmaxeq(T & a, T b) { if(b >= a) { a = b; return true; } else { return false; } } template<typename T> T gcd(T a, T b) { return (b == 0 ? a : gcd(b, a % b)); } template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; } // ---- ---- template<int N> class ModInt { private: LL v; static LL m; public: ModInt(LL vv = 0) { setval(vv); } ModInt & setval(LL vv) { v = (vv % m + m) % m; return (*this); } static void setmod(LL mm) { m = mm; } LL getval() const { return v; } ModInt & operator+=(const ModInt & b) { return setval(v + b.v); } ModInt & operator-=(const ModInt & b) { return setval(v - b.v); } ModInt & operator*=(const ModInt & b) { return setval(v * b.v); } ModInt & operator/=(const ModInt & b) { return setval(v * b.inv()); } ModInt & operator^=( LU b) { return setval(ex(v, b)); } ModInt operator+ ( ) { return ModInt(+v); } ModInt operator- ( ) { return ModInt(-v); } ModInt operator+ (const ModInt & b) { return ModInt(v + b.v); } ModInt operator- (const ModInt & b) { return ModInt(v - b.v); } ModInt operator* (const ModInt & b) { return ModInt(v * b.v); } ModInt operator/ (const ModInt & b) { return ModInt(v * b.inv()); } ModInt operator^ ( LU b) { return ModInt(ex(v, b)); } LL inv() const { LL x = (ex_gcd(v, m).FI + m) % m; assert(x * v % m == 1); return x; } LL ex(LL a, LU b) const { LL D = 64, x[64], y = 1; inc(i, D) { if((b >> i) == 0) { D = i; break; } } inc(i, D) { x[i] = (i == 0 ? a : x[i - 1] * x[i - 1]) % m; } inc(i, D) { if((b >> i) & 1) { (y *= x[i]) %= m; } } return y; } pair<LL, LL> ex_gcd(LL a, LL b) const { if(b == 0) { return MP(1, 0); } auto p = ex_gcd(b, a % b); return MP(p.SE, p.FI - (a / b) * p.SE); } }; template<int N> LL ModInt<N>::m; template<int N> ModInt<N> operator+(LL a, const ModInt<N> & b) { return ModInt<N>(a + b.getval()); } template<int N> ModInt<N> operator-(LL a, const ModInt<N> & b) { return ModInt<N>(a - b.getval()); } template<int N> ModInt<N> operator*(LL a, const ModInt<N> & b) { return ModInt<N>(a * b.getval()); } template<int N> ModInt<N> operator/(LL a, const ModInt<N> & b) { return ModInt<N>(a * b.inv()); } template<int N> istream & operator>>(istream & is, ModInt<N> & b) { LL v; is >> v; b.setval(v); return is; } template<int N> ostream & operator<<(ostream & os, const ModInt<N> & b) { return (os << b.getval()); } // ---- ---- string n; int m; template<typename T> T f() { T ans = 0, v = 9; inc1(i, m - 1) { if(i > 1 && i % 2 == 1) { v *= 10; } ans += v; } v = (n[0] - '0') - 1; incID(j, 1, (m + 1) / 2) { v = v * 10 + (n[j] - '0'); } v += 1; ans += v; return ans; } int main() { cin >> n; m = n.size(); if(m % 2 == 0) { dec(i, m / 2) { if(n[i] != n[m - 1 - i]) { if(n[i] > n[m - 1 - i]) { dec(j, m / 2) { if(n[j] != '0') { n[j]--; break; } else { n[j] = '9'; } } } break; } } } else { dec(i, m / 2) { if(n[i] != n[m - 1 - i]) { if(n[i] > n[m - 1 - i]) { dec(j, m / 2 + 1) { if(n[j] != '0') { n[j]--; break; } else { n[j] = '9'; } } } break; } } } ModInt<123>::setmod(1e9); ModInt<456>::setmod(1e9 + 7); cout << f<ModInt<123>>() << endl; cout << f<ModInt<456>>() << endl; return 0; }