제출 #673962

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
673962	2022-12-22 13:15:07	jeroenodb	별자리 3 (JOI20_constellation3)	C++17	100 / 100	200 ms	61984 KiB

constellation3

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#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x),end(x)
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#define debug(a) cerr << "(" << #a << ": " << a << ")\n";
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int mxN = 1e5+1, oo = 1e9;
struct el {
    int y,c;
    ll mydp;
    bool operator<(const el& o ) const {
        return y>o.y;
    }
};
struct DS {
    ll lazy=0, mn = 0;
    // mn is min dp value inside this DS.
    // sum is the sum of the currently "bad" stars.
    priority_queue<el> pq;
    void addStart(int y, int c, ll mydp=0) {
        lazy+=c;
        pq.push({y,c,mydp+mn-lazy});
        mn+=c;
    }
    void add(int y, int c, ll mydp=0) {
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 65 / 65