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Submission #275851

# Submission time Handle Problem Language Result Execution time Memory
275851 2020-08-20T08:01:46 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 154212 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O2")
#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) ret += l->minSum(idx);
        if(r) 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)/2;
        if(idx <= m+1){
            if(l) return l->minMax(idx);
            return 0;
        }
        if(r){
            ll tmp = r->minMax(idx);
            if(tmp) return tmp;
        }
        if(l){
            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)/2;
        if(m <= idx){
            if(r) return r->maxMin(idx);
            return LLONG_MAX;
        }
        if(l){
            ll tmp = l->maxMin(idx);
            if(tmp != LLONG_MAX) return tmp;
        }
        if(r){
            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)/2;
        if(idx <= m){
            if(!l) l = new Node(s, m, root);
            l->addValue(idx, val);
            if(!l->sum) delete l, l=nullptr;
        }
        else{
            if(!r) r = new Node(m+1, e, root);
            r->addValue(idx, val);
            if(!r->sum) delete r, r=nullptr;
        }
        sum = (!l ? 0 : l->sum) + (!r ? 0 : r->sum);
    }
};
Node* root;

bool isAble(){
    for(auto it=st.begin(); it!=st.end(); ++it){
        if(root->minSum(*it) + 1 < *it) return false;
    }
    return true;
}

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

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

bool is_happy(int event, int coinsCount, ll coins[]){
    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 288 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 288 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 7 ms 2304 KB Output is correct
7 Correct 7 ms 2304 KB Output is correct
8 Correct 78 ms 17784 KB Output is correct
9 Correct 76 ms 17784 KB Output is correct
10 Correct 60 ms 17824 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 288 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 974 ms 29304 KB Output is correct
7 Correct 938 ms 29464 KB Output is correct
8 Correct 1000 ms 29532 KB Output is correct
9 Correct 1641 ms 29568 KB Output is correct
10 Correct 1528 ms 39032 KB Output is correct
11 Correct 432 ms 34884 KB Output is correct
12 Correct 462 ms 35064 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 288 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 7 ms 2304 KB Output is correct
7 Correct 7 ms 2304 KB Output is correct
8 Correct 78 ms 17784 KB Output is correct
9 Correct 76 ms 17784 KB Output is correct
10 Correct 60 ms 17824 KB Output is correct
11 Correct 974 ms 29304 KB Output is correct
12 Correct 938 ms 29464 KB Output is correct
13 Correct 1000 ms 29532 KB Output is correct
14 Correct 1641 ms 29568 KB Output is correct
15 Correct 1528 ms 39032 KB Output is correct
16 Correct 432 ms 34884 KB Output is correct
17 Correct 462 ms 35064 KB Output is correct
18 Execution timed out 2085 ms 154212 KB Time limit exceeded
19 Halted 0 ms 0 KB -