結果
| 問題 |
No.489 株に挑戦
|
| コンテスト | |
| ユーザー |
sekiya9311
|
| 提出日時 | 2017-02-24 23:38:24 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,191 bytes |
| コンパイル時間 | 1,594 ms |
| コンパイル使用メモリ | 120,836 KB |
| 実行使用メモリ | 25,156 KB |
| 最終ジャッジ日時 | 2025-01-03 00:39:48 |
| 合計ジャッジ時間 | 13,761 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 24 RE * 8 TLE * 3 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:115:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
115 | scanf("%d%d%d", &N, &D, &K);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~
main.cpp:117:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
117 | scanf("%d", x + i);
| ~~~~~^~~~~~~~~~~~~
ソースコード
#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <list>
#include <vector>
#include <complex>
#include <utility>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <bitset>
#include <ctime>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <cassert>
#include <cstddef>
#include <iomanip>
#include <numeric>
#include <tuple>
#include <sstream>
#include <fstream>
#include <chrono>
using namespace std;
#define REP(i, n) for (int (i) = 0; (i) < (n); (i)++)
#define FOR(i, a, b) for (int (i) = (a); (i) < (b); (i)++)
#define RREP(i, a) for(int (i) = (a) - 1; (i) >= 0; (i)--)
#define FORR(i, a, b) for(int (i) = (a) - 1; (i) >= (b); (i)--)
#define DEBUG(C) cerr << #C << " = " << C << endl;
using LL = long long;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<LL>;
using VVL = vector<VL>;
using VD = vector<double>;
using VVD = vector<VD>;
using PII = pair<int, int>;
using PDD = pair<double, double>;
using PLL = pair<LL, LL>;
using VPII = vector<PII>;
template<typename T> using VT = vector<T>;
#define ALL(a) begin((a)), end((a))
#define RALL(a) rbegin((a)), rend((a))
#define SORT(a) sort(ALL((a)))
#define RSORT(a) sort(RALL((a)))
#define REVERSE(a) reverse(ALL((a)))
#define MP make_pair
#define FORE(a, b) for (auto &&a : (b))
#define FIND(s, e) ((s).find(e) != (s).end())
#define EB emplace_back
template<typename T> inline bool chmax(T &a, T b){if (a < b){a = b;return true;}return false;}
template<typename T> inline bool chmin(T &a, T b){if (a > b){a = b;return true;}return false;}
const int INF = 1e9;
const int MOD = INF + 7;
const LL LLINF = 1e18;
template<typename type = int,
typename ctype = std::less<type>,
type LIM = (std::is_same<ctype, std::less<type>>::value ?
std::numeric_limits<type>::max() :
std::numeric_limits<type>::min())>
class SegTreeRMQ { //デフォでminimum
private:
const int n;
std::vector<type> st;
ctype comp;
type query(int l, int r, int k, int L, int R) {
if (R <= l || r <= L) return LIM;
if (l <= L && R <= r) return st[k];
type res = LIM;
int h = (L + R) >> 1;
if (l < h) res = std::min(res, query(l, r, (k << 1) + 1, L, h), comp);
if (h < r) res = std::min(res, query(l, r, (k << 1) + 2, h, R), comp);
return res;
}
void update(int id, type el, int k, int L, int R) {
if (id < L || R <= id) return;
if (L + 1 == R && id == L) {
st[k] = el;
return;
}
int h = (L + R) >> 1;
update(id, el, (k << 1) + 1, L, h);
update(id, el, (k << 1) + 2, h, R);
st[k] = std::min(st[(k << 1) + 2], st[(k << 1) + 1], comp);
}
public:
SegTreeRMQ() : n(-1) {}
SegTreeRMQ(int _n, type initval = LIM) : n(_n), st(_n << 2, initval){}
//範囲 [l, r) !!!!!
type query(int l, int r) {
assert(this->n != -1 && 0 <= l && r <= this->n && l <= r);
return query(l, r, 0, 0, n);
}
void update(int id, type el) {
assert(this->n != -1 && id < this->n);
update(id, el, 0, 0, n);
}
};
const int MAX = 1e5 + 10;
int N, D, K;
int x[MAX];
SegTreeRMQ<int, greater<int>> seg(MAX);
unordered_map<int, VI> mp;
int main(void) {
scanf("%d%d%d", &N, &D, &K);
REP(i, N) {
scanf("%d", x + i);
mp[x[i]].EB(i);
seg.update(i, x[i]);
}
LL ma = 0;
int buy = -1, sell = -1;
int j = 0;
REP(i, N) {
const int que = seg.query(i, i + D + 1);
if (chmax<LL>(ma, que - x[i])) {
VI vec = mp[que];
int high = vec.size(), low = 0;
while (high - low > 0) {
const int mid = (high + low - 1) / 2;
if (i <= vec[mid] && vec[mid] <= i + D + 1) {
high = mid;
} else if (i > vec[mid]) {
low = mid;
} else {
high = mid;
}
}
buy = i; sell = vec[low];
}
}
if (ma) cout << ma * K << '\n' << buy << " " << sell << endl;
else cout << 0 << endl;
}
sekiya9311