結果

問題 No.1037 exhausted
ユーザー 0w1
提出日時 2021-01-07 15:01:04
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 11 ms / 2,000 ms
コード長 4,007 bytes
コンパイル時間 2,196 ms
コンパイル使用メモリ 201,524 KB
最終ジャッジ日時 2025-01-17 10:11:54
ジャッジサーバーID
(参考情報)
judge5 / judge1
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ファイルパターン 結果
other AC * 23
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 #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
/*^ debug */
template <typename A, typename B> string to_string(pair<A, B> p);
template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p);
string to_string(const string& s) { return '"' + s + '"'; }
string to_string(const char* s) { return to_string((string) s); }
string to_string(bool b) { return (b ? "true" : "false"); }
string to_string(vector<bool> v) {
bool first = true;
string res = "{";
for (int i = 0; i < static_cast<int>(v.size()); i++) {
if (!first) { res += ", "; }
first = false;
res += to_string(v[i]);
}
res += "}";
return res;
}
template <size_t N>
string to_string(bitset<N> v) {
string res = "";
for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); }
return res;
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for (const auto &x : v) {
if (!first) { res += ", "; }
first = false;
res += to_string(x);
}
res += "}";
return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; }
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; }
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " +
    to_string(get<3>(p)) + ")"; }
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); }
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
/* debug $*/
/*^ vector extensions */
template<typename T>
T concat(initializer_list<T> lists) {
T a;
for (auto &l : lists) a.insert(a.end(), l.begin(), l.end());
return a;
}
template<typename T, size_t sz>
struct _Matrix_type { typedef vector<typename _Matrix_type<T, sz - 1>::type> type; };
template<typename T>
struct _Matrix_type<T, 1> { typedef T type; };
template<typename T>
struct _Matrix {
static auto build(size_t s) { return vector<T>(s); }
template<typename ...Args>
static auto build(size_t f, Args... args) {
return vector<typename _Matrix_type<T, 1 + sizeof...(args)>::type>(f, _Matrix<T>::build(args...));
}
};
template<typename T, typename... Args>
auto buildMatrix(Args... args) { return _Matrix<T>::build(args...); }
/* vector extensions $*/
/*^ generic definitions */
template<typename F>
struct _RecurFun : F {
_RecurFun(F&& f) : F(forward<F>(f)) {}
template<typename... Args>
decltype(auto) operator()(Args&&... args) const { return F::operator()(*this, forward<Args>(args)...); }
};
template<typename F>
decltype(auto) RecurFun(F&& f) { return _RecurFun<F> { forward<F>(f) }; }
/* generic definitions $*/
int main() {
ios::sync_with_stdio(false);
int N, C, L; {
cin >> N >> C >> L;
}
const int64_t INF = (int64_t) 1 << 60;
vector<int> X(N), V(N), W(N); {
for (int i = 0; i < N; ++i) {
cin >> X[i] >> V[i] >> W[i];
}
++N;
X.push_back(L);
V.push_back(0);
W.push_back(0);
}
vector<int64_t> dp(C + 1, INF); {
dp[C] = 0;
int preX = 0;
for (int i = 0; i < N; ++i) {
int cost = X[i] - preX;
vector<int64_t> ndp(C + 1, INF); {
for (int v = cost; v <= C; ++v) {
ndp[v - cost] = min(ndp[v - cost], dp[v]);
ndp[min(C, v - cost + V[i])] = min(ndp[min(C, v - cost + V[i])], dp[v] + W[i]);
}
}
swap(dp, ndp);
preX = X[i];
}
}
int64_t res = *min_element(dp.begin(), dp.end());
if (res == INF) cout << -1 << endl;
else cout << res << endl;
}
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