Submission #523620

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
523620	2022-02-08 01:22:10	KoD	Building Bridges (CEOI17_building)	C++17	100 / 100	73 ms	8216 KiB

building

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#include <bits/stdc++.h>
using std::vector;
using std::array;
using std::pair;
using std::tuple;
using i64 = std::int64_t;
constexpr i64 INF = std::numeric_limits<i64>::max() / 2;
struct Line {
    i64 a, b;
    explicit Line(const i64 a = 0, const i64 b = INF) : a(a), b(b) {}
    i64 eval(const i64 x) const { return a * x + b; }
};
struct LiChaoTree {
    int logn, size;
    vector<i64> coord;
    vector<Line> line;
    explicit LiChaoTree(const vector<i64>& vec) {
        logn = 0;
        while ((1 << logn) < (int)vec.size()) {
            logn += 1;
        }
        size = 1 << logn;
        coord = vec;
        std::sort(coord.begin(), coord.end());
        coord.resize(size, coord.back());
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40