結果
| 問題 | No.3459 Defeat Slimes |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2026-02-28 13:59:56 |
| 言語 | C++23 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 135 ms / 3,000 ms |
| コード長 | 17,700 bytes |
| 記録 | |
| コンパイル時間 | 5,375 ms |
| コンパイル使用メモリ | 362,820 KB |
| 実行使用メモリ | 13,780 KB |
| 最終ジャッジ日時 | 2026-02-28 14:00:10 |
| 合計ジャッジ時間 | 12,648 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge7 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 30 |
ソースコード
#line 2 "/Users/korogi/Desktop/cp-cpp/template.hpp"
#include <bits/stdc++.h>
using namespace std;
using i32 = int;
using i64 = long long;
using i128 = __int128;
using u32 = unsigned int;
using u64 = unsigned long long;
using u128 = unsigned __int128;
using f32 = double;
using f64 = long double;
#define DMP(x) cout << "[" << __LINE__ << "]" << " " << #x << ":" << " " << x << endl;
#define FOR1(n) for(int _ = 0 , n_ = (n); _ < n_; _++)
#define FOR2(i, n) for(int i = 0 , n_ = (n); i < n_; i++)
#define FOR3(i, s, t) for(int i = (s), t_ = (t); i < t_; i++)
#define FOR4(i, s, t, d) for(int i = (s), t_ = (t), d_ = (d); i < t_; i += d_)
#define OVERLOAD4(a, b, c, d, e, ...) e
#define FOR(...) OVERLOAD4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__)
#define REV1(n) for(int _ = (n) - 1; _ >= 0 ; _--)
#define REV2(i, n) for(int i = (n) - 1; i >= 0 ; i--)
#define REV3(i, s, t) for(int i = (t) - 1, s_ = (s); i >= s_; i--)
#define REV4(i, s, t, d) for(int i = (t) - 1, s_ = (s), d_ = (d); i >= s_; i -= d_)
#define OVERLOAD3(a, b, c, d, ...) d
#define REV(...) OVERLOAD4(__VA_ARGS__, REV4, REV3, REV2, REV1)(__VA_ARGS__)
#define FOR_SUBSET(T, S) for(int S_ = (S), T = S_; T >= 0; T = (T == 0 ? -1 : (T - 1) & S_))
#define MULTI for(int testcase_ = in(), testcase = 0; testcase < testcase_; testcase++) [&]
template < class T > using heap_max = priority_queue< T, vector< T >, less< T > >;
template < class T > using heap_min = priority_queue< T, vector< T >, greater< T >>;
template < class T, class U > bool chmin(T& a, const U& b) { return a > b ? a = b, 1 : 0; }
template < class T, class U > bool chmax(T& a, const U& b) { return a < b ? a = b, 1 : 0; }
i64 floor_div(const i64 n, const i64 d) { assert(d != 0); return n / d - ((n ^ d) < 0 && n % d != 0); }
i64 ceil_div(const i64 n, const i64 d) { assert(d != 0); return n / d + ((n ^ d) >= 0 && n % d != 0); }
template < class T, class F > T bin_search(T ok, T ng, const F& check) { while((ok > ng ? ok - ng : ng - ok) > 1) { T mid = (ok + ng) / 2; (check(mid) ? ok : ng) = mid; } return ok; }
template < class T, class F > T bin_search_real(T ok, T ng, const F& check, int step = 100) { FOR(step) { T mid = (ok + ng) / 2; (check(mid) ? ok : ng) = mid; } return ok; }
template < class T, class U > T accum(const vector< U >& a) { return accumulate(a.begin(), a.end(), T(0)); }
template < class T > void sort(vector< T >& a) { sort(a.begin(), a.end()); }
template < class T > void rsort(vector< T >& a) { sort(a.rbegin(), a.rend()); }
template < class T > void reverse(vector< T >& a) { reverse(a.begin(), a.end()); }
void sort(string& s) { sort(s.begin(), s.end()); }
void rsort(string& s) { sort(s.rbegin(), s.rend()); }
void reverse(string& s) { reverse(s.begin(), s.end()); }
template < class T, class Cmp > void sort(vector< T >& a, Cmp cmp) { sort(a.begin(), a.end(), cmp); }
template < class T > int LB(const vector< T >& a, T x) { return distance(a.begin(), lower_bound(a.begin(), a.end(), x)); }
template < class T > int UB(const vector< T >& a, T x) { return distance(a.begin(), upper_bound(a.begin(), a.end(), x)); }
template < class T > void unique(vector< T >& a) { sort(a.begin(), a.end()); a.erase(unique(a.begin(), a.end()), a.end()); }
vector<int> iota(int n) { vector<int> a(n); iota(a.begin(), a.end(), 0); return a; }
istream& operator >> (istream& is, i128& x) {
string s; is >> s;
int m = (s[0] == '-');
x = 0;
FOR(i, m, ssize(s)) x = x * 10 + (s[i] - '0');
if(m) x *= -1;
return is;
}
ostream& operator << (ostream& os, const i128& x) {
if(x == 0) return os << '0';
i128 y = x; if(y < 0) { os << '-'; y *= -1; }
vector<int> ny;
while(y) ny.push_back(y % 10), y /= 10;
REV(i, ssize(ny)) os << ny[i];
return os;
}
namespace scan {
struct x0 { template < class T > operator T() { T x; cin >> x; return x; } };
struct x1 { int n; x1(int n) : n(n) {} template < class T > operator vector< T >() { vector< T > a(n); for(T& x : a) cin >> x; return a; } };
struct x2 { int h, w; x2(int h, int w) : h(h), w(w) {} template < class T > operator vector< vector< T > >() { vector m(h, vector< T >(w)); for(vector< T >& a : m) for(T& x : a) cin >> x; return m; } };
struct cppio { cppio() { cin.tie(0); ios::sync_with_stdio(0); } } cppio_instance;
}
scan::x0 in() { return scan::x0(); }
scan::x1 in(int n) { return scan::x1(n); }
scan::x2 in(int h, int w) { return scan::x2(h, w); }
template < class T > ostream& operator << (ostream& os, const vector< T >& a) {
const int n = a.size();
FOR(i, n) { os << a[i]; if(i + 1 != n) os << ' '; }
return os;
}
template < class T > int print_n(const vector< T >& a) { for(const T& x : a) cout << x << '\n'; return 0; }
int print() { cout << '\n'; return 0; }
template < class Head, class... Tail > int print(Head&& h, Tail&&... t) { cout << h; if(sizeof...(Tail)) cout << ' '; return print(forward<Tail>(t)...); }
namespace printer {
void prec(int n) { cout << fixed << setprecision(n); }
void flush() { cout.flush(); }
}
vector<int>& operator ++ (vector<int>& a) { for(auto& e : a) e++; return a; }
vector<int>& operator -- (vector<int>& a) { for(auto& e : a) e--; return a; }
vector<int> operator ++ (vector<int>& a, int) { vector<int> b = a; ++a; return b; }
vector<int> operator -- (vector<int>& a, int) { vector<int> b = a; --a; return b; }
template < class T > vector<pair< T, int>> RLE(const vector< T >& a) { vector<pair< T, int>> v; for(const T& x : a) { if(not v.empty() and v.back().first == x) v.back().second++; else v.emplace_back(x, 1); } return v; }
vector<pair<char, int>> RLE(const string& s) { vector<pair<char, int>> v; for(const char& c : s) { if(not v.empty() and v.back().first == c) v.back().second++; else v.emplace_back(c, 1); } return v; }
template < class String, class Same > vector<String> RLE(const String& a, const Same same) { vector<String> v; for(const auto& x : a) { if(not v.empty() and same(v.back().back(), x)) v.back().push_back(x); else v.push_back({x}); } return v; }
int YESNO(bool yes) { return print(yes ? "YES" : "NO"); }
int YesNo(bool yes) { return print(yes ? "Yes" : "No"); }
int Yes() { return print("Yes"); }
int No() { return print("No"); }
constexpr i32 INF32 = 1e9;
constexpr i64 INF64 = 1e18;
template < class T > constexpr T infty = 0;
template <> constexpr int infty<int> = 1e9;
template <> constexpr int infty<u32> = 1e9;
template <> constexpr i64 infty<i64> = 1e18;
template <> constexpr u64 infty<u64> = 1e18;
namespace bit {
int pop(int x) { return popcount<u32>(x); }
int pop(u32 x) { return popcount<u32>(x); }
int pop(i64 x) { return popcount<u64>(x); }
int pop(u64 x) { return popcount<u64>(x); }
int parity(int x) { return __builtin_parity(x); }
int parity(u32 x) { return __builtin_parity(x); }
int parity(i64 x) { return __builtin_parityll(x); }
int parity(u64 x) { return __builtin_parityll(x); }
int sgn(int x) { return parity(x) ? -1 : +1; }
int sgn(u32 x) { return parity(x) ? -1 : +1; }
int sgn(i64 x) { return parity(x) ? -1 : +1; }
int sgn(u64 x) { return parity(x) ? -1 : +1; }
int top(int x) { return x == 0 ? -1 : 31 - __builtin_clz(x); }
int top(u32 x) { return x == 0 ? -1 : 31 - __builtin_clz(x); }
int top(i64 x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); }
int top(u64 x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); }
int low(int x) { return x == 0 ? -1 : __builtin_ctz(x); }
int low(u32 x) { return x == 0 ? -1 : __builtin_ctz(x); }
int low(i64 x) { return x == 0 ? -1 : __builtin_ctzll(x); }
int low(u64 x) { return x == 0 ? -1 : __builtin_ctzll(x); }
int ceil(int x) { return bit_ceil<u32>(x); }
i64 ceil(i64 x) { return bit_ceil<u64>(x); }
int floor(int x) { return bit_floor<u32>(x); }
i64 floor(i64 x) { return bit_floor<u64>(x); }
}
// (-1)^n
int parity_sign(int n) { return n % 2 == 0 ? +1 : -1; }
// template < class T > pair< T, int > min(const vector< T >& a) { auto itr = min_element(a.begin(), a.end()); return {*itr, itr - a.begin()}; }
// template < class T > pair< T, int > max(const vector< T >& a) { auto itr = max_element(a.begin(), a.end()); return {*itr, itr - a.begin()}; }
template < class Key, class Value >
struct key_value {
Key key;
Value value;
};
template < class Value > key_value<int, Value> min(const vector<Value>& a) {
assert(1 <= ssize(a));
auto itr = min_element(a.begin(), a.end());
return {static_cast<int>(distance(a.begin(), itr)), *itr};
}
template < class Value > key_value<int, Value> max(const vector<Value>& a) {
assert(1 <= ssize(a));
auto itr = max_element(a.begin(), a.end());
return {static_cast<int>(distance(a.begin(), itr)), *itr};
}
struct grid {
int H, W;
grid(int H, int W) : H(H), W(W) {}
static constexpr pair<int, int> dir4[] = {
{-1, 0},
{ 0, -1}, { 0, +1},
{+1, 0}
};
static constexpr pair<int, int> dir8[] = {
{-1, -1}, {-1, 0}, {-1, +1},
{ 0, -1}, { 0, +1},
{+1, -1}, {+1, 0}, {+1, +1}
};
bool contains(int i, int j) const {
return 0 <= i and i < H and 0 <= j and j < W;
}
template < class F >
void for_each_dir4(int i, int j, const F& f) const {
for(const auto [di, dj] : dir4) {
const int ni = i + di, nj = j + dj;
if(contains(ni, nj)) f(ni, nj);
}
}
template < class F >
void for_each_dir8(int i, int j, const F& f) const {
for(const auto [di, dj] : dir8) {
const int ni = i + di, nj = j + dj;
if(contains(ni, nj)) f(ni, nj);
}
}
};
template < class Sum > struct psum1D {
int n;
vector<Sum> s;
psum1D() : n(0), s(1, Sum()) {}
template < class Value >
psum1D(const vector<Value>& a) : n(ssize(a)), s(n + 1, Sum()) {
FOR(i, n) s[i + 1] = s[i] + static_cast<Sum>(a[i]);
}
// [l, r)
Sum v(int l, int r) const {
assert(0 <= l and l <= r and r <= n);
return s[r] - s[l];
}
void push_back(const Sum& x) {
s.push_back(s.back() + x);
n += 1;
}
};
template < class Value > struct psum2D {
int H, W;
vector<vector<Value>> A;
bool built;
psum2D(int H, int W) : H(H), W(W), A(H + 1, vector(W + 1, Value(0))), built(false) {}
// A[x][y] += v
void add(int x, int y, Value v) {
assert(not built);
assert(0 <= x and x < H);
assert(0 <= y and y < W);
A[x + 1][y + 1] += v;
}
void build() {
FOR(x, H) FOR(y, W + 1) A[x + 1][y] += A[x][y];
FOR(x, H + 1) FOR(y, W) A[x][y + 1] += A[x][y];
built = true;
}
// [xL, xR) * [yL, yR)
Value sum(int xL, int xR, int yL, int yR) {
assert(built);
assert(0 <= xL and xL <= xR and xR <= H);
assert(0 <= yL and yL <= yR and yR <= W);
return A[xR][yR] - A[xR][yL] - A[xL][yR] + A[xL][yL];
}
Value get(int x, int y) {
assert(built);
assert(0 <= x and x < H);
assert(0 <= y and y < W);
return sum(x, x + 1, y, y + 1);
}
};
template < class Value > struct imos2D {
int H, W;
vector<vector<Value>> A;
bool built;
imos2D(int H, int W) : H(H), W(W), A(H + 1, vector(W + 1, Value(0))), built(false) {}
void add(int xL, int xR, int yL, int yR, Value v) {
assert(not built);
assert(0 <= xL and xL <= xR and xR <= H);
assert(0 <= yL and yL <= yR and yR <= W);
A[xL][yL] += v;
A[xR][yL] -= v;
A[xL][yR] -= v;
A[xR][yR] += v;
}
void build() {
assert(not built);
FOR(i, H + 1) FOR(j, W) A[i][j + 1] += A[i][j];
FOR(i, H) FOR(j, W + 1) A[i + 1][j] += A[i][j];
built = true;
}
Value get(int x, int y) {
assert(built);
assert(0 <= x and x < H);
assert(0 <= y and y < W);
return A[x][y];
}
};
#line 3 "/Users/korogi/Desktop/cp-cpp/rnd.hpp"
namespace rnd {
u32 seed; mt19937 mt;
struct gen_seed { gen_seed() { seed = random_device()(); mt = mt19937(seed); } } gen_seed_instance;
// [L, R)
template < class Int > Int i(Int L, Int R) { assert(L < R); return uniform_int_distribution<Int>(L, R - 1)(mt); }
template < class Real > Real r(Real L, Real R) { assert(L <= R); return uniform_real_distribution<Real>(L, R)(mt); }
}
template < int n, array<u32, n> mod > struct hash_vector {
array<u32, n> a;
using hvec = hash_vector;
hvec& s(array<u32, n> a) { FOR(i, n) this->a[i] = a[i] < mod[i] ? a[i] : a[i] - mod[i]; return *this; }
hash_vector(u32 v = 0) { FOR(i, n) a[i] = v % mod[i] + mod[i]; s(a); }
hvec operator - () const { return hvec() - *this; }
hvec& operator += (const hvec& r) { FOR(i, n) a[i] += r.a[i]; return s(a); }
hvec& operator -= (const hvec& r) { FOR(i, n) a[i] += mod[i] - r.a[i]; return s(a); }
hvec& operator *= (const hvec& r) { FOR(i, n) a[i] = u64(a[i]) * r.a[i] % mod[i]; return *this; }
hvec& operator /= (const hvec& r) { return *this *= inv(r); }
hvec operator + (const hvec& r) const { return hvec(*this) += r; }
hvec operator - (const hvec& r) const { return hvec(*this) -= r; }
hvec operator * (const hvec& r) const { return hvec(*this) *= r; }
hvec operator / (const hvec& r) const { return hvec(*this) /= r; }
bool operator == (const hvec& r) const { return a == r.a; }
bool operator != (const hvec& r) const { return a != r.a; }
bool operator < (const hvec& r) const { return a < r.a; }
};
template < int n, array<u32, n> mod > hash_vector<n, mod> pow(hash_vector<n, mod> x, u64 m) {
hash_vector<n, mod> p(1);
for(; m; m >>= 1) { if(m & 1) p *= x; x *= x; }
return p;
}
template < int n, array<u32, n> mod > hash_vector<n, mod> inv(hash_vector<n, mod> x) {
hash_vector<n, mod> res;
FOR(i, n) {
u32 a = x.a[i], b = mod[i], u = 1, v = 0;
while(b) { u32 t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); }
res[i] = u;
}
return res;
}
template < int n, array<u32, n> mod > ostream& operator << (ostream& os, const hash_vector< n, mod >& x) { FOR(i, n) { if(i) os << ' '; os << x.a[i]; } return os; }
using hvec1 = hash_vector< 1, array<u32, 1>{999999937} >;
using hvec2 = hash_vector< 2, array<u32, 2>{999999937, 1000000007} >;
using hvec3 = hash_vector< 3, array<u32, 3>{999999937, 1000000007, 1000000009} >;
using hvec4 = hash_vector< 4, array<u32, 4>{999999937, 1000000007, 1000000009, 1000000021} >;
#line 280 "/Users/korogi/Desktop/cp-cpp/template.hpp"
namespace r52 {
int abs(int x) { return x >= 0 ? x : -x; }
i64 abs(i64 x) { return x >= 0 ? x : -x; }
i128 abs(i128 x) { return x >= 0 ? x : -x; }
}
#line 3 "/Users/korogi/Desktop/cp-cpp/mod/modint.hpp"
template < u32 mod_, u32 prime_, u32 root_ > struct static_modint {
static constexpr u32 const & mod = mod_;
static constexpr u32 const & prime = prime_;
static constexpr u32 const & root = root_;
u32 v;
using mint = static_modint;
constexpr mint& s(u32 v) { this->v = v < mod ? v : v - mod; return *this; }
constexpr static_modint(i64 v = 0) { s(v % mod + mod); }
mint operator - () const { return mint() - *this; }
mint operator + () const { return *this; }
mint& operator += (const mint& r) { return s(v + r.v); }
mint& operator -= (const mint& r) { return s(v + mod - r.v); }
mint& operator *= (const mint& r) { v = u64(v) * r.v % mod; return *this; }
mint& operator /= (const mint& r) { return *this *= inv(r); }
mint operator + (const mint& r) const { return mint(*this) += r; }
mint operator - (const mint& r) const { return mint(*this) -= r; }
mint operator * (const mint& r) const { return mint(*this) *= r; }
mint operator / (const mint& r) const { return mint(*this) /= r; }
bool operator == (const mint& r) const { return v == r.v; }
bool operator != (const mint& r) const { return v != r.v; }
};
// x^n
template < u32 mod, u32 prime, u32 root > static_modint<mod, prime, root> pow(static_modint<mod, prime, root> x, u64 n) {
static_modint<mod, prime, root> p(1);
for(; n; n >>= 1) { if(n & 1) p *= x; x *= x; }
return p;
}
// x^{-1}
template < u32 mod, u32 prime, u32 root > static_modint<mod, prime, root> inv(static_modint<mod, prime, root> x) {
int a = x.v, b = mod, u = 1, v = 0;
while(b) { int t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); }
return static_modint<mod, prime, root>(u);
}
template < u32 mod, u32 prime, u32 root > istream& operator >> (istream& is, static_modint<mod, prime, root>& x) { i64 v; is >> v; x = static_modint<mod, prime, root>(v); return is; }
template < u32 mod, u32 prime, u32 root > ostream& operator << (ostream& os, const static_modint<mod, prime, root>& x) { return os << x.v; }
using modint998 = static_modint< 998'244'353, 1, 3>;
using modint107 = static_modint<1'000'000'007, 1, 5>;
#line 3 "a.cpp"
using mint = modint998;
int main() {
int N = in(); i64 Y = in(), Z = in();
vector<tuple<i64, i64, i64>> A(N);
for(auto &[C, L, X] : A) C = in(), L = in(), X = in();
sort(A, [&](auto I, auto J) { return get<1>(I) > get<1>(J); });
heap_max<pair<i64, i64>> Q;
i64 ans = 0;
while(Y < Z) {
while(not A.empty() and get<1>(A.back()) <= Y) {
auto [C, L, X] = A.back(); A.pop_back();
Q.push({X, C});
}
if(Q.empty()) return print(-1);
auto [X, C] = Q.top(); Q.pop();
const i64 T = [&] {
if(A.empty()) return Z;
return min(Z, get<1>(A.back()));
}();
const i64 d = min(ceil_div(T - Y, X), C);
Y += d * X;
ans += d;
if(d < C) Q.push({X, C - d});
}
print(ans);
}