oj.uz

Submission #275548

# Submission time Handle Problem Language Result Execution time Memory
275548 2020-08-20T06:29:50 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 286952 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include "happiness.h"

using namespace std;

typedef long long ll;

unordered_set<ll> st;
struct Node{
    ll s, e;
    ll sum = 0;
    Node *l=nullptr, *r=nullptr, *root=nullptr;

    Node(){}
    Node(ll s, ll e, Node *root): s(s), e(e), root(root){}
    ~Node(){
        if(l) delete l;
        if(r) delete r;
    }

    ll minSum(ll idx){ /// returning sum
        if(idx <= s) return 0;
        if(e < idx) return sum;
        ll ret = 0;
        if(l && l->sum) ret += l->minSum(idx);
        if(r && r->sum) ret += r->minSum(idx);
        return ret;
    }
    ll minMax(ll idx){ /// returning value
        if(idx <= s) return 0;
        if(s==e) return s;
        ll m = (s+e)>>1;
        if(idx <= m+1){
            if(l && l->sum) return l->minMax(idx);
            return 0;
        }
        if(r && r->sum){
            ll tmp = r->minMax(idx);
            if(tmp) return tmp;
        }
        if(l && l->sum){
            ll tmp = l->minMax(idx);
            if(tmp) return tmp;
        }
        return 0;
    }
    ll maxMin(ll idx){ /// returning value
        if(e <= idx) return LLONG_MAX;
        if(s==e) return s;
        ll m = (s+e)>>1;
        if(m <= idx){
            if(r && r->sum) return r->maxMin(idx);
            return LLONG_MAX;
        }
        if(l && l->sum){
            ll tmp = l->maxMin(idx);
            if(tmp != LLONG_MAX) return tmp;
        }
        if(r && r->sum){
            ll tmp = r->maxMin(idx);
            if(tmp != LLONG_MAX) return tmp;
        }
        return LLONG_MAX;
    }

    void addValue(ll idx, ll val){
        if(s==e){
            sum += val;

            ll lv = root->minMax(idx);
            ll rv = root->maxMin(idx);

            if(sum){ /// adding
                if(lv*2 < idx) st.insert(idx);
                else st.erase(idx);
                if(rv != LLONG_MAX){
                    if(idx*2 < rv) st.insert(rv);
                    else st.erase(rv);
                }
            }
            else{ /// deleted
                st.erase(idx);
                if(rv != LLONG_MAX){
                    if(lv*2 < rv) st.insert(rv);
                    else st.erase(rv);
                }
            }
            return;
        }
        ll m = (s+e)>>1;
        if(idx <= m){
            if(!l) l = new Node(s, m, root);
            l->addValue(idx, val);
        }
        else{
            if(!r) r = new Node(m+1, e, root);
            r->addValue(idx, val);
        }
        sum = (!l ? 0 : l->sum) + (!r ? 0 : r->sum);
    }
};
Node* root;

int n, cnt;

bool isAble(){
    assert(st.size() <= 45);
    for(auto &x: st){
//        printf("strange(%lld) ", x);
        if(root->minSum(x) + 1 < x) return false;
    }
    return true;
}

bool init(int coinsCount, ll maxCoinSize, ll coins[]) {
    n = coinsCount;
    root = new Node();
    root->s= 1, root->e = 1e12;
    root->root = root;

    for(int i=0; i<n; i++){
        root->addValue(coins[i], coins[i]);
    }
    return isAble();
}

bool is_happy(int event, int coinsCount, ll coins[]) {
    n += coinsCount * event;
    for(int i=0; i<coinsCount; i++) root->addValue(coins[i], coins[i] * event);
    return isAble();
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 5 ms 2304 KB Output is correct
7 Correct 7 ms 2560 KB Output is correct
8 Correct 74 ms 18424 KB Output is correct
9 Correct 70 ms 18680 KB Output is correct
10 Correct 61 ms 18040 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1186 ms 45560 KB Output is correct
7 Correct 1252 ms 45020 KB Output is correct
8 Correct 1472 ms 45568 KB Output is correct
9 Correct 1889 ms 58800 KB Output is correct
10 Correct 1799 ms 64000 KB Output is correct
11 Correct 743 ms 44408 KB Output is correct
12 Correct 842 ms 44300 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 5 ms 2304 KB Output is correct
7 Correct 7 ms 2560 KB Output is correct
8 Correct 74 ms 18424 KB Output is correct
9 Correct 70 ms 18680 KB Output is correct
10 Correct 61 ms 18040 KB Output is correct
11 Correct 1186 ms 45560 KB Output is correct
12 Correct 1252 ms 45020 KB Output is correct
13 Correct 1472 ms 45568 KB Output is correct
14 Correct 1889 ms 58800 KB Output is correct
15 Correct 1799 ms 64000 KB Output is correct
16 Correct 743 ms 44408 KB Output is correct
17 Correct 842 ms 44300 KB Output is correct
18 Execution timed out 2095 ms 286952 KB Time limit exceeded
19 Halted 0 ms 0 KB -