結果

問題 No.176 2種類の切手
ユーザー firiexpfiriexp
提出日時 2019-11-01 14:21:31
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,115 bytes
コンパイル時間 649 ms
コンパイル使用メモリ 86,116 KB
最終ジャッジ日時 2024-04-27 02:58:49
合計ジャッジ時間 1,062 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
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コンパイルメッセージ
main.cpp:17:39: error: '::numeric_limits' has not been declared
   17 | template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                                       ^~~~~~~~~~~~~~
main.cpp:17:55: error: expected primary-expression before '>' token
   17 | template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                                                       ^
main.cpp:17:61: error: no matching function for call to 'max()'
   17 | template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                                                        ~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
main.cpp:17:61: note:   candidate expects 2 arguments, 0 provided
   17 | template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;
      |                                                        ~~~~~^~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: n

ソースコード

diff #

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = uint32_t;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max() / 32 * 15 + 208;

int main() {
    const int M = 30000;
    ll a, b, t;
    cin >> a >> b >> t;
    if(b >= M){
        ll ans = (t+b-1)/b*b;
        for (int i = 0; i <= t; i += b) {
            ans = min(ans, i+(t-i+a-1)/a*a);
        }
        cout << ans << "\n";
    }else {
        ll ans1 = t/(2*a*b)*2*a*b, ans2 = INF<ll>; t %= (2*a*b);
        vector<ll> v(b+1), u(a+1);
        for (int i = 0; i <= b; ++i) {
            v[i] = i*a;
        }
        for (int i = 0; i <= a; ++i) {
            u[i] = i*b;
        }
        int cur = b;
        for (int i = 0; i <= a; ++i) {
            while(cur > 0 && u[i]+v[cur-1] >= t) cur--;
            if(u[i]+v[cur] >= t) ans2 = min(ans2, u[i]+v[cur]);
        }
        cout << ans1+ans2 << "\n";
    }
    return 0;
}
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