제출 #413379

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
413379		egorlifar	Snowball (JOI21_ho_t2)	C++17	100 / 100	161 ms	17880 KiB

Main

/*
KAMUI!
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*/
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
 
using namespace std;
template<typename T1, typename T2> inline void chkmin(T1 &a, T2 b) {if (a > b) a = b;}
template<typename T1, typename T2> inline void chkmax(T1 &a, T2 b) {if (a < b) a = b;}
#define files(FILENAME) read(FILENAME); write(FILENAME)
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define all(c) (c).begin(), (c).end()
#define sz(c) (int)(c).size()
#define left left228
#define right right228
#define y1 y1228
#define mp make_pair
#define pb push_back
#define y2 y2228
#define rank rank228
using ll = long long;
using ld = long double; 
const string FILENAME = "input";
const int Mod = 1000000007;


int sum(int a, int b) {
    return (a + b >= Mod ? a + b - Mod: a + b);
}


int mul(int a, int b) {
    return ((ll)a * b) % Mod;
}


int powm(int a, int b) {
    int res = 1;
    while (b) {
        if (b & 1) {
            res = mul(res, a);
        }
        a = mul(a, a);
        b >>= 1;
    }
    return res;
}


int inv(int a) {
    return powm(a, Mod - 2);
}


const int MAXN = 200229;


int n, q;
ll x[MAXN];
ll val[MAXN];


void solve() {
    cin >> n >> q;
    for (int i = 0; i < n; i++) {
        cin >> x[i];
    }
    ll sum = 0;
    ll kek = 0;
    ll kek1 = 0;
    vector<pair<ll, ll> > ste, ste1;
    for (int it = 0; it < q; it++) {
        ll shift;
        cin >> shift;
        sum += shift;
        if (sum > kek) {
            ste1.pb(mp(sum, -kek1));
        }
        if (sum < kek1) {
            ste.pb(mp(-sum, kek));
        }
        chkmax(kek, sum);
        chkmin(kek1, sum);
    }
    vector<pair<ll, int> > st, st1;
    for (int i = 0; i < n; i++) {
        ll add = 0;
        if (i == 0) {
            add += abs(kek1);
        } else {
            st.pb(mp(x[i] - x[i - 1], i));
        }
        if (i == n - 1) {
            add += abs(kek);
        } else {
            st1.pb(mp(x[i + 1] - x[i], i));
        }
        val[i] = add;
    }
    sort(all(st));
    sort(all(st1));
    int uk = 0;
    ll fk = 0;
    for (auto x: st) {
        while (uk < sz(ste)) {
            ll val = ste[uk].first + ste[uk].second;
            if (val <= x.first) {
                chkmax(fk, ste[uk].first);
                uk++;
            } else {
                break;
            }
        }
        if (uk != sz(ste)) {
            ll g = x.first - ste[uk].second;
            ll fk1 = max(min(fk, x.first), g);
            val[x.second] += fk1;
        } else {
            val[x.second] += min(fk, x.first);
        }
    }
    uk = 0;
    fk = 0;
    for (auto x: st1) {
        while (uk < sz(ste1)) {
            ll val = ste1[uk].first + ste1[uk].second;
            if (val <= x.first) {
                chkmax(fk, ste1[uk].first);
                uk++;
            } else {
                break;
            }
        }
        if (uk != sz(ste1)) {
            ll g = x.first - ste1[uk].second;
            ll fk1 = max(min(fk, x.first), g);
            val[x.second] += fk1;
        } else {
            val[x.second] += min(fk, x.first);
        }
    }
    for (int i = 0; i < n; i++) {
        cout << val[i] << '\n';
    }
}
//21:50

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
   // read(FILENAME);
    int t;
    t = 1;
  //  cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}
 

• Subtask 1: 33 / 33
• Subtask 2: 67 / 67