oj.uz

Submission #451959

# Submission time Handle Problem Language Result Execution time Memory
451959 2021-08-03T14:12:06 Z vector Distributing Candies (IOI21_candies) C++17
100 / 100
 2960 ms 36292 KB 
#include "candies.h"
#include <bits/stdc++.h>
#define SIZE 200001
using namespace std;
typedef long long ll;
ll lazy[4*SIZE], max_tree[4*SIZE], min_tree[4*SIZE];
vector<pair<int, int> > query[SIZE];
void pro(int node)
{
    lazy[node*2]+=lazy[node];
    lazy[node*2+1]+=lazy[node];
    max_tree[node*2]+=lazy[node];
    max_tree[node*2+1]+=lazy[node];
    min_tree[node*2]+=lazy[node];
    min_tree[node*2+1]+=lazy[node];
    lazy[node]=0;
}
void upd(int s, int e, int w, int l, int r, int node)
{
    if (l>r) return;
    if (s<=l && r<=e) {
        lazy[node]+=w;
        max_tree[node]+=w;
        min_tree[node]+=w;
        return;
    }
    if (l>e || s>r) return;
    pro(node);
    int mid=(l+r)/2;
    upd(s, e, w, l, mid, node*2);
    upd(s, e, w, mid+1, r, node*2+1);
    max_tree[node]=max(max_tree[node*2], max_tree[node*2+1]);
    min_tree[node]=min(min_tree[node*2], min_tree[node*2+1]);
}
ll get_max(int s, int e, int l, int r, int node)
{
    if (l>r) return -1e18;
    if (s<=l && r<=e) return max_tree[node];
    if (l>e || s>r) return -1e18;
    int mid=(l+r)/2;
    pro(node);
    return max(get_max(s, e, l, mid, node*2), get_max(s, e, mid+1, r, node*2+1));
}
ll get_min(int s, int e, int l, int r, int node)
{
    if (l>r) return 1e18;
    if (s<=l && r<=e) return min_tree[node];
    if (l>e || s>r) return 1e18;
    int mid=(l+r)/2;
    pro(node);
    return min(get_min(s, e, l, mid, node*2), get_min(s, e, mid+1, r, node*2+1));
}
vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v)
{
    int N=c.size(), M=l.size();
    vector<int> ans(N);
    for (int i=0; i<M; i++) {
        query[l[i]].push_back(make_pair(v[i], i));
        query[r[i]+1].push_back(make_pair(-v[i], i));
    }
    for (int i=0; i<N; i++) {
        for (auto j : query[i]) upd(j.second+1, M, j.first, 0, M, 1);
        if (get_max(0, M, 0, M, 1)-get_min(0, M, 0, M, 1)<=c[i]) ans[i]=get_max(M, M, 0, M, 1)-get_min(0, M, 0, M, 1);
        else {
            int s=0, e=M, mid;
            while (1) {
                if (s>=e) break;
                mid=(s+e)/2;
                if (get_max(mid, M, 0, M, 1)-get_min(mid, M, 0, M, 1)<=c[i]) e=mid;
                else s=mid+1;
            }
            if (get_max(s-1, s-1, 0, M, 1)<get_min(s, M, 0, M, 1)) ans[i]=c[i]-get_max(s, M, 0, M, 1)+get_max(M, M, 0, M, 1);
            else ans[i]=get_max(M, M, 0, M, 1)-get_min(s, M, 0, M, 1);
        }
    }
    return ans;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 5 ms 5144 KB Output is correct
4 Correct 5 ms 5144 KB Output is correct
5 Correct 13 ms 5272 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2894 ms 34040 KB Output is correct
2 Correct 2658 ms 33524 KB Output is correct
3 Correct 2514 ms 33432 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4940 KB Output is correct
2 Correct 364 ms 28540 KB Output is correct
3 Correct 818 ms 10736 KB Output is correct
4 Correct 2960 ms 35444 KB Output is correct
5 Correct 2779 ms 36172 KB Output is correct
6 Correct 2802 ms 36200 KB Output is correct
7 Correct 2799 ms 36292 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 4 ms 4940 KB Output is correct
3 Correct 175 ms 27224 KB Output is correct
4 Correct 667 ms 8952 KB Output is correct
5 Correct 1871 ms 30052 KB Output is correct
6 Correct 2245 ms 30608 KB Output is correct
7 Correct 2462 ms 31324 KB Output is correct
8 Correct 1764 ms 29864 KB Output is correct
9 Correct 2577 ms 31480 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB Output is correct
2 Correct 3 ms 4940 KB Output is correct
3 Correct 5 ms 5144 KB Output is correct
4 Correct 5 ms 5144 KB Output is correct
5 Correct 13 ms 5272 KB Output is correct
6 Correct 2894 ms 34040 KB Output is correct
7 Correct 2658 ms 33524 KB Output is correct
8 Correct 2514 ms 33432 KB Output is correct
9 Correct 4 ms 4940 KB Output is correct
10 Correct 364 ms 28540 KB Output is correct
11 Correct 818 ms 10736 KB Output is correct
12 Correct 2960 ms 35444 KB Output is correct
13 Correct 2779 ms 36172 KB Output is correct
14 Correct 2802 ms 36200 KB Output is correct
15 Correct 2799 ms 36292 KB Output is correct
16 Correct 3 ms 4940 KB Output is correct
17 Correct 4 ms 4940 KB Output is correct
18 Correct 175 ms 27224 KB Output is correct
19 Correct 667 ms 8952 KB Output is correct
20 Correct 1871 ms 30052 KB Output is correct
21 Correct 2245 ms 30608 KB Output is correct
22 Correct 2462 ms 31324 KB Output is correct
23 Correct 1764 ms 29864 KB Output is correct
24 Correct 2577 ms 31480 KB Output is correct
25 Correct 3 ms 4940 KB Output is correct
26 Correct 485 ms 8844 KB Output is correct
27 Correct 345 ms 28556 KB Output is correct
28 Correct 1886 ms 34660 KB Output is correct
29 Correct 2541 ms 35104 KB Output is correct
30 Correct 2671 ms 35388 KB Output is correct
31 Correct 2857 ms 35444 KB Output is correct
32 Correct 2814 ms 35432 KB Output is correct