AtCoder Beginner Contest 013

Submission #1585751

Source codeソースコード

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> P;

#define each(i,a) for (auto&& i : a)
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define chmin(x,v) x = min(x, v)
#define chmax(x,v) x = max(x, v)

const ll linf = 1e18;
const int inf = 1e9;
const double eps = 1e-12;
const double pi = acos(-1);

template<typename T>
istream& operator>>(istream& is, vector<T>& vec) {
    each(x,vec) is >> x;
    return is;
}
template<typename T>
ostream& operator<<(ostream& os, const vector<T>& vec) {
    rep(i,vec.size()) {
        if (i) os << " ";
        os << vec[i];
    }
    return os;
}
template<typename T>
ostream& operator<<(ostream& os, const vector< vector<T> >& vec) {
    rep(i,vec.size()) {
        if (i) os << endl;
        os << vec[i];
    }
    return os;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll n, H, A, B, C, D, E; cin >> n >> H >> A >> B >> C >> D >> E;
    ll ans = linf;
    rep(i, n+1) {
        ll h = H + B * i;
        ll m = n - i;
        ll a = A * i;
        ll lb = 0, ub = m;
        rep(t, 50) {
            ll mid = (lb + ub) / 2;
            if (h + mid * D - (m-mid) * E > 0) {
                ub = mid;
            }
            else {
                lb = mid;
            }
        }
        a += ub * C;
        chmin(ans, a);
    }
    cout << ans << endl;
}

Submission

Task問題 C - 節制
User nameユーザ名 drafear
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 101
Source lengthソースコード長 1832 Byte
File nameファイル名
Exec time実行時間 108 ms
Memory usageメモリ使用量 256 KB

Test case

Set

Set name Score得点 / Max score Cases
Subtask1 10 / 10 sample_1.txt,sample_2.txt,sample_3.txt,01_010.txt,01_011.txt,01_020.txt,01_021.txt,01_100.txt,01_101.txt,01_110.txt,01_111.txt,01_200.txt,01_201.txt,01_220.txt,01_221.txt,01_random01.txt,01_random02.txt,01_random03.txt,01_random04.txt,01_random05.txt,01_random06.txt,01_random07.txt,01_random08.txt,01_random09.txt,01_random10.txt
Subtask2 30 / 30 sample_1.txt,sample_2.txt,sample_3.txt,02_010.txt,02_011.txt,02_020.txt,02_021.txt,02_100.txt,02_101.txt,02_110.txt,02_111.txt,02_200.txt,02_201.txt,02_220.txt,02_221.txt,02_random01.txt,02_random02.txt,02_random03.txt,02_random04.txt,02_random05.txt,02_random06.txt,02_random07.txt,02_random08.txt,02_random09.txt,02_random10.txt
Subtask3 60 / 60 sample_1.txt,sample_2.txt,sample_3.txt,sample_4.txt,01_010.txt,01_011.txt,01_020.txt,01_021.txt,01_100.txt,01_101.txt,01_110.txt,01_111.txt,01_200.txt,01_201.txt,01_220.txt,01_221.txt,01_random01.txt,01_random02.txt,01_random03.txt,01_random04.txt,01_random05.txt,01_random06.txt,01_random07.txt,01_random08.txt,01_random09.txt,01_random10.txt,02_010.txt,02_011.txt,02_020.txt,02_021.txt,02_100.txt,02_101.txt,02_110.txt,02_111.txt,02_200.txt,02_201.txt,02_220.txt,02_221.txt,02_random01.txt,02_random02.txt,02_random03.txt,02_random04.txt,02_random05.txt,02_random06.txt,02_random07.txt,02_random08.txt,02_random09.txt,02_random10.txt,03_010.txt,03_011.txt,03_012.txt,03_020.txt,03_021.txt,03_022.txt,03_100.txt,03_101.txt,03_102.txt,03_110.txt,03_111.txt,03_112.txt,03_200.txt,03_201.txt,03_202.txt,03_220.txt,03_221.txt,03_222.txt,03_random01.txt,03_random02.txt,03_random03.txt,03_random04.txt,03_random05.txt,03_random06.txt,03_random07.txt,03_random08.txt,03_random09.txt,03_random10.txt,03_random11.txt,03_random12.txt,03_random13.txt,03_random14.txt,03_random15.txt,03_random16.txt,03_random17.txt,03_random18.txt,03_random19.txt,03_random20.txt
Subtask4 1 / 1 01_010.txt,01_011.txt,01_020.txt,01_021.txt,01_100.txt,01_101.txt,01_110.txt,01_111.txt,01_200.txt,01_201.txt,01_220.txt,01_221.txt,01_random01.txt,01_random02.txt,01_random03.txt,01_random04.txt,01_random05.txt,01_random06.txt,01_random07.txt,01_random08.txt,01_random09.txt,01_random10.txt,02_010.txt,02_011.txt,02_020.txt,02_021.txt,02_100.txt,02_101.txt,02_110.txt,02_111.txt,02_200.txt,02_201.txt,02_220.txt,02_221.txt,02_random01.txt,02_random02.txt,02_random03.txt,02_random04.txt,02_random05.txt,02_random06.txt,02_random07.txt,02_random08.txt,02_random09.txt,02_random10.txt,03_010.txt,03_011.txt,03_012.txt,03_020.txt,03_021.txt,03_022.txt,03_100.txt,03_101.txt,03_102.txt,03_110.txt,03_111.txt,03_112.txt,03_200.txt,03_201.txt,03_202.txt,03_220.txt,03_221.txt,03_222.txt,03_random01.txt,03_random02.txt,03_random03.txt,03_random04.txt,03_random05.txt,03_random06.txt,03_random07.txt,03_random08.txt,03_random09.txt,03_random10.txt,03_random11.txt,03_random12.txt,03_random13.txt,03_random14.txt,03_random15.txt,03_random16.txt,03_random17.txt,03_random18.txt,03_random19.txt,03_random20.txt,04_010.txt,04_011.txt,04_020.txt,04_021.txt,04_100.txt,04_101.txt,04_110.txt,04_111.txt,04_200.txt,04_201.txt,04_220.txt,04_221.txt,04_random01.txt,04_random02.txt,04_random03.txt,04_random04.txt,04_random05.txt,sample_1.txt,sample_2.txt,sample_3.txt,sample_4.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01_010.txt AC 1 ms 256 KB
01_011.txt AC 1 ms 256 KB
01_020.txt AC 1 ms 256 KB
01_021.txt AC 1 ms 256 KB
01_100.txt AC 1 ms 256 KB
01_101.txt AC 1 ms 256 KB
01_110.txt AC 1 ms 256 KB
01_111.txt AC 1 ms 256 KB
01_200.txt AC 1 ms 256 KB
01_201.txt AC 1 ms 256 KB
01_220.txt AC 1 ms 256 KB
01_221.txt AC 1 ms 256 KB
01_random01.txt AC 1 ms 256 KB
01_random02.txt AC 1 ms 256 KB
01_random03.txt AC 1 ms 256 KB
01_random04.txt AC 1 ms 256 KB
01_random05.txt AC 1 ms 256 KB
01_random06.txt AC 1 ms 256 KB
01_random07.txt AC 1 ms 256 KB
01_random08.txt AC 1 ms 256 KB
01_random09.txt AC 1 ms 256 KB
01_random10.txt AC 1 ms 256 KB
02_010.txt AC 1 ms 256 KB
02_011.txt AC 1 ms 256 KB
02_020.txt AC 1 ms 256 KB
02_021.txt AC 1 ms 256 KB
02_100.txt AC 1 ms 256 KB
02_101.txt AC 1 ms 256 KB
02_110.txt AC 1 ms 256 KB
02_111.txt AC 1 ms 256 KB
02_200.txt AC 1 ms 256 KB
02_201.txt AC 1 ms 256 KB
02_220.txt AC 1 ms 256 KB
02_221.txt AC 1 ms 256 KB
02_random01.txt AC 1 ms 256 KB
02_random02.txt AC 1 ms 256 KB
02_random03.txt AC 1 ms 256 KB
02_random04.txt AC 1 ms 256 KB
02_random05.txt AC 1 ms 256 KB
02_random06.txt AC 1 ms 256 KB
02_random07.txt AC 1 ms 256 KB
02_random08.txt AC 1 ms 256 KB
02_random09.txt AC 1 ms 256 KB
02_random10.txt AC 1 ms 256 KB
03_010.txt AC 1 ms 256 KB
03_011.txt AC 1 ms 256 KB
03_012.txt AC 1 ms 256 KB
03_020.txt AC 1 ms 256 KB
03_021.txt AC 1 ms 256 KB
03_022.txt AC 1 ms 256 KB
03_100.txt AC 1 ms 256 KB
03_101.txt AC 1 ms 256 KB
03_102.txt AC 1 ms 256 KB
03_110.txt AC 1 ms 256 KB
03_111.txt AC 1 ms 256 KB
03_112.txt AC 1 ms 256 KB
03_200.txt AC 1 ms 256 KB
03_201.txt AC 1 ms 256 KB
03_202.txt AC 1 ms 256 KB
03_220.txt AC 1 ms 256 KB
03_221.txt AC 1 ms 256 KB
03_222.txt AC 1 ms 256 KB
03_random01.txt AC 1 ms 256 KB
03_random02.txt AC 1 ms 256 KB
03_random03.txt AC 1 ms 256 KB
03_random04.txt AC 1 ms 256 KB
03_random05.txt AC 1 ms 256 KB
03_random06.txt AC 1 ms 256 KB
03_random07.txt AC 1 ms 256 KB
03_random08.txt AC 1 ms 256 KB
03_random09.txt AC 1 ms 256 KB
03_random10.txt AC 1 ms 256 KB
03_random11.txt AC 1 ms 256 KB
03_random12.txt AC 1 ms 256 KB
03_random13.txt AC 1 ms 256 KB
03_random14.txt AC 1 ms 256 KB
03_random15.txt AC 1 ms 256 KB
03_random16.txt AC 1 ms 256 KB
03_random17.txt AC 1 ms 256 KB
03_random18.txt AC 1 ms 256 KB
03_random19.txt AC 1 ms 256 KB
03_random20.txt AC 1 ms 256 KB
04_010.txt AC 87 ms 256 KB
04_011.txt AC 84 ms 256 KB
04_020.txt AC 81 ms 256 KB
04_021.txt AC 81 ms 256 KB
04_100.txt AC 88 ms 256 KB
04_101.txt AC 69 ms 256 KB
04_110.txt AC 53 ms 256 KB
04_111.txt AC 58 ms 256 KB
04_200.txt AC 13 ms 256 KB
04_201.txt AC 3 ms 256 KB
04_220.txt AC 28 ms 256 KB
04_221.txt AC 72 ms 256 KB
04_random01.txt AC 5 ms 256 KB
04_random02.txt AC 19 ms 256 KB
04_random03.txt AC 44 ms 256 KB
04_random04.txt AC 108 ms 256 KB
04_random05.txt AC 28 ms 256 KB
sample_1.txt AC 1 ms 256 KB
sample_2.txt AC 1 ms 256 KB
sample_3.txt AC 1 ms 256 KB
sample_4.txt AC 1 ms 256 KB