제출 #1318686

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1318686		nikaa123	Distributing Candies (IOI21_candies)	C++20	0 / 100	46 ms	7588 KiB

candies

#include <bits/stdc++.h>
using namespace std;

const int N= 2e5+5;

vector <int> c;
int t[N*4];
int lazy[N*4];
vector <int> s;

void applay(int node, int l, int r, int val) {
    lazy[node] = val;
    if (l == r && val != 0) {
        if (val > 0) {
            t[node] = min(t[node]+val,c[l]);
        } else {
            t[node] = max(t[node]+val,0);
        }
    }
}

void push(int node, int l, int r) {
    if (lazy[node] != 0) {
        int mid = (l+r)/2;
        applay(node*2,l,mid,lazy[node]);
        applay(node*2+1,mid+1,r,lazy[node]);
        lazy[node] = 0;
    }
}

void update(int node, int l, int r, int L, int R, int val) {
    if (r < L || l > R) return;
    push(node,l,r);
    if (l >= L && r <= R) {
        applay(node,l,r,val);
        return;
    }
    int mid = (l+r)/2;
    update(node*2,l,mid,L,R,val);
    update(node*2+1,mid+1,r,L,R,val);
}

void getans(int node, int l, int r) {
    if (l == r) {
        s[l] = t[node];
        return;
    }
    push(node,l,r);
    int mid = (l+r)/2;
    getans(node*2,l,mid);
    getans(node*2+1,mid+1,r);
}

std::vector<int> distribute_candies(std::vector<int> x, std::vector<int> l,
                                    std::vector<int> r, std::vector<int> v) {
    c = x;
    int n = x.size();
    int q = l.size();
    
    for (int i = 0; i < q; i++) {
        update(1,0,n-1,l[i],r[i],v[i]);
    }
    s.assign(n,0);
    getans(1,0,n-1);
    return s;
}

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