結果

問題 No.844 split game
ユーザー hitonanodehitonanode
提出日時 2019-06-28 21:36:22
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 75 ms / 2,000 ms
コード長 4,072 bytes
コンパイル時間 2,102 ms
コンパイル使用メモリ 177,608 KB
実行使用メモリ 14,976 KB
最終ジャッジ日時 2024-07-02 04:28:06
合計ジャッジ時間 5,268 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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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 27 ms
7,680 KB
testcase_01 AC 22 ms
10,240 KB
testcase_02 AC 60 ms
11,136 KB
testcase_03 AC 46 ms
11,264 KB
testcase_04 AC 21 ms
7,040 KB
testcase_05 AC 64 ms
13,184 KB
testcase_06 AC 18 ms
6,912 KB
testcase_07 AC 16 ms
8,576 KB
testcase_08 AC 10 ms
5,504 KB
testcase_09 AC 47 ms
8,704 KB
testcase_10 AC 71 ms
12,800 KB
testcase_11 AC 67 ms
14,080 KB
testcase_12 AC 48 ms
8,320 KB
testcase_13 AC 27 ms
6,656 KB
testcase_14 AC 28 ms
9,088 KB
testcase_15 AC 72 ms
14,848 KB
testcase_16 AC 72 ms
14,848 KB
testcase_17 AC 73 ms
14,848 KB
testcase_18 AC 75 ms
14,976 KB
testcase_19 AC 70 ms
14,976 KB
testcase_20 AC 71 ms
14,848 KB
testcase_21 AC 68 ms
14,848 KB
testcase_22 AC 70 ms
14,976 KB
testcase_23 AC 4 ms
5,376 KB
testcase_24 AC 6 ms
5,376 KB
testcase_25 AC 4 ms
5,376 KB
testcase_26 AC 3 ms
5,376 KB
testcase_27 AC 6 ms
5,376 KB
testcase_28 AC 3 ms
5,376 KB
testcase_29 AC 5 ms
5,376 KB
testcase_30 AC 6 ms
5,376 KB
testcase_31 AC 5 ms
5,376 KB
testcase_32 AC 2 ms
5,376 KB
testcase_33 AC 8 ms
5,376 KB
testcase_34 AC 5 ms
5,376 KB
testcase_35 AC 10 ms
5,376 KB
testcase_36 AC 6 ms
5,376 KB
testcase_37 AC 13 ms
5,376 KB
testcase_38 AC 20 ms
6,144 KB
testcase_39 AC 51 ms
9,344 KB
testcase_40 AC 14 ms
7,296 KB
testcase_41 AC 2 ms
5,376 KB
testcase_42 AC 2 ms
5,376 KB
testcase_43 AC 2 ms
5,376 KB
testcase_44 AC 2 ms
5,376 KB
testcase_45 AC 2 ms
5,376 KB
testcase_46 AC 2 ms
5,376 KB
testcase_47 AC 2 ms
5,376 KB
testcase_48 AC 2 ms
5,376 KB
testcase_49 AC 2 ms
5,376 KB
testcase_50 AC 2 ms
5,376 KB
testcase_51 AC 2 ms
5,376 KB
testcase_52 AC 2 ms
5,376 KB
testcase_53 AC 2 ms
5,376 KB
testcase_54 AC 2 ms
5,376 KB
testcase_55 AC 3 ms
5,376 KB
testcase_56 AC 2 ms
5,376 KB
testcase_57 AC 2 ms
5,376 KB
testcase_58 AC 2 ms
5,376 KB
testcase_59 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;
using lint = long long int;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((lint)(x).size())
#define POW2(n) (1LL << (n))
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template<typename T> void ndarray(vector<T> &vec, int len) { vec.resize(len); }
template<typename T, typename... Args> void ndarray(vector<T> &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); }
template<typename T> bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; }
template<typename T> bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; }
template<typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template<typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; }
///// This part below is only for debug, not used /////
template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; }
template<typename T> ostream &operator<<(ostream &os, const deque<T> &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; }
template<typename T> ostream &operator<<(ostream &os, const set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; }
template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; }
template<typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; }
#define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl;
///// END /////
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/tag_and_trait.hpp>
using namespace __gnu_pbds; // find_by_order(), order_by_key()
template<typename TK> using pbds_set = tree<TK, null_type, less<TK>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename TK, typename TV> using pbds_map = tree<TK, TV, less<TK>, rb_tree_tag, tree_order_statistics_node_update>;
*/



int main()
{
    int N, M, A;
    cin >> N >> M >> A;
    vector<map<int, lint>> ma(N + 1);
    REP(_, M)
    {
        int l, r, p;
        cin >> l >> r >> p;
        ma[r][l] += p;
    }

    vector<lint> dp(N + 2, -1e17);
    dp[0] = 0;
    lint tmp_maxi = 0;
    FOR(i, 1, N + 1)
    {
        int cost = A;
        if (i == N) cost = 0;
        for (auto pa : ma[i])
        {
            mmax(dp[i], dp[pa.first - 1] + pa.second - cost);
        }
        mmax(dp[i], tmp_maxi - A);
        mmax(tmp_maxi, dp[i]);
    }
    cout << *max_element(ALL(dp)) << endl;
}
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