Submission #443358

#	Time	Username	Problem	Language	Result	Execution time	Memory
443358		mjhmjh1104	사탕 분배 (IOI21_candies)	C++17	8 / 100	315 ms	10544 KiB

candies

#include "candies.h"
#include <vector>
using namespace std;

long long lazy[524288];

void propagate(int i, int b, int e) {
    if (!lazy[i]) return;
    if (b != e) {
        lazy[i * 2 + 1] += lazy[i];
        lazy[i * 2 + 2] += lazy[i];
        lazy[i] = 0;
    }
}

void update(int i, int b, int e, int l, int r, int v) {
    propagate(i, b, e);
    if (r < l || e < l || r < b) return;
    if (l <= b && e <= r) {
        lazy[i] += v;
        propagate(i, b, e);
        return;
    }
    int m = (b + e) / 2;
    update(i * 2 + 1, b, m, l, r, v);
    update(i * 2 + 2, m + 1, e, l, r, v);
}

long long query(int i, int b, int e, int p) {
    propagate(i, b, e);
    if (p < b || e < p) return 0;
    if (b == e) return lazy[i];
    int m = (b + e) / 2;
    return query(i * 2 + 1, b, m, p) + query(i * 2 + 2, m + 1, e, p);
}

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
    int n = (int)c.size(), q = (int)v.size();
    vector<int> s(n);
    for (int t = 0; t < q; t++) update(0, 0, 262143, l[t], r[t], v[t]);
    for (int i = 0; i < n; i++) s[i] = min(query(0, 0, 262143, i), (long long)c[i]);
    return s;
}

• Subtask 1: 0 / 3
• Subtask 2: 8 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33