oj.uz

Submission #722775

# Submission time Handle Problem Language Result Execution time Memory
722775 2023-04-12T20:28:20 Z Mr_Husanboy Distributing Candies (IOI21_candies) C++17
100 / 100
 1243 ms 41968 KB 
#include "candies.h"
#include <bits/stdc++.h>
 
using namespace std;
using ll = long long;
template<typename T>
int len(T &a){
    return a.size();
}
 
const ll infl = 1e8;
 
struct Segtree{
    struct node{
        ll mx = 0, mn = 0, add = 0;
        void apply(ll x){
            mn += x; mx += x;
            add += x;
        }
    };
 
    vector<node> t;
    int n;
 
    Segtree(int _n){
        n = _n;
        t.resize(4 * n);
    }
 
    void push(int x){
        if(t[x].add){
            t[x << 1].apply(t[x].add);
            t[x << 1 | 1].apply(t[x].add);
            t[x].add = 0;
        }
    }
 
    node merge(node a, node b){
        return {max(a.mx, b.mx), min(a.mn, b.mn), 0ll};
    }
 
    void upd(int x, int lx, int rx, int l, int r, ll val){
        if(l <= lx && rx <= r){
            t[x].apply(val);
            return;
        }
        if(r < lx || l > rx){
            return;
        }
        int m = (rx + lx) >> 1;
        push(x);
        upd(x << 1, lx, m, l, r, val);
        upd(x << 1 | 1, m + 1, rx, l, r, val);
        t[x] = merge(t[x << 1], t[x << 1 | 1]);
    }
 
    node get(int x, int lx, int rx, int l, int r){
        if(l <= lx && rx <= r){
            return t[x];
        }
        if(r < lx || l > rx){
            return {0,0,0};
        }
        push(x);
        int m = (lx + rx) >> 1;
        return merge(get(x << 1, lx, m, l, r),
            get(x << 1 | 1, m + 1, rx, l, r));
    }
 
    void upd(int l, int r, ll val){
        upd(1, 0, n - 1, l, r, val);
    }
 
    node get(int l, int r){
        return get(1, 0, n - 1, l, r);
    }
};
 
 
 
 
vector<int> distribute_candies(vector<int> c, vector<int> l,
                                    vector<int> r, vector<int> v) {
    int n = c.size();
    int m = len(v);
    Segtree t(m + 1);
    vector<vector<int>> in(n), out(n);
    for(int i = 0; i < m; i ++){
        in[l[i]].push_back(i);
        out[r[i]].push_back(i);
    }
 
    for(int i = 0; i < n; i ++){
        for(auto u : in[i]){
            t.upd(0, u, -v[u]);
        }
        int l = 0, r = m;
        while(l <= r){
            int mid = (l + r) >> 1;
            auto res = t.get(mid, m);
            if(res.mx - res.mn > c[i]){
                l = mid + 1;
            }else r = mid - 1;
        }
        r ++;
        if(r == 0 || v[r - 1] < 0){
            c[i] = -t.get(r, m).mn;
        }else{
            c[i] = c[i] - t.get(r, m).mx;
        }
 
        for(auto u : out[i]){
            t.upd(0, u, v[u]);
        }
    }
    //for(auto u : suf) cout << u << ' ';cout << endl;
    return c;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 5 ms 596 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1141 ms 41940 KB Output is correct
2 Correct 1169 ms 41940 KB Output is correct
3 Correct 1243 ms 41936 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 223 ms 26764 KB Output is correct
3 Correct 318 ms 11616 KB Output is correct
4 Correct 1173 ms 41928 KB Output is correct
5 Correct 1151 ms 41936 KB Output is correct
6 Correct 1155 ms 41868 KB Output is correct
7 Correct 1082 ms 41936 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 156 ms 25656 KB Output is correct
4 Correct 288 ms 11512 KB Output is correct
5 Correct 870 ms 36544 KB Output is correct
6 Correct 951 ms 36544 KB Output is correct
7 Correct 905 ms 36548 KB Output is correct
8 Correct 877 ms 36664 KB Output is correct
9 Correct 932 ms 36552 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 5 ms 596 KB Output is correct
6 Correct 1141 ms 41940 KB Output is correct
7 Correct 1169 ms 41940 KB Output is correct
8 Correct 1243 ms 41936 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 223 ms 26764 KB Output is correct
11 Correct 318 ms 11616 KB Output is correct
12 Correct 1173 ms 41928 KB Output is correct
13 Correct 1151 ms 41936 KB Output is correct
14 Correct 1155 ms 41868 KB Output is correct
15 Correct 1082 ms 41936 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 156 ms 25656 KB Output is correct
19 Correct 288 ms 11512 KB Output is correct
20 Correct 870 ms 36544 KB Output is correct
21 Correct 951 ms 36544 KB Output is correct
22 Correct 905 ms 36548 KB Output is correct
23 Correct 877 ms 36664 KB Output is correct
24 Correct 932 ms 36552 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 286 ms 11616 KB Output is correct
27 Correct 229 ms 26844 KB Output is correct
28 Correct 1100 ms 41828 KB Output is correct
29 Correct 1170 ms 41936 KB Output is correct
30 Correct 1137 ms 41836 KB Output is correct
31 Correct 1152 ms 41936 KB Output is correct
32 Correct 1113 ms 41968 KB Output is correct