oj.uz

Submission #275972

# Submission time Handle Problem Language Result Execution time Memory
275972 2020-08-20T08:43:32 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 206584 KB 
#include <bits/stdc++.h>
#include "happiness.h"

using namespace std;

typedef long long ll;
const ll INF = 1e18;

struct Node{
    ll s, e;
    ll sum = 0;
    ll v = INF, lazy = 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;
    }

    inline void propagate(){
        if(l) l->lazy += lazy;
        if(r) r->lazy += lazy;
        v += lazy;
        lazy = 0;
    }

    inline 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;
    }

    inline void addKey(ll _s, ll _e, ll val){
        propagate();
        if(e < _s || s > _e) return;
        if(_s <= s && e <= _e){
            lazy += val;
            propagate();
            return;
        }
        if(l) l->addKey(_s, _e, val);
        if(r) r->addKey(_s, _e, val);
        v = min(l?l->v:INF, r?r->v:INF);
    }

    inline void addValue(ll idx, ll val){
        propagate();
        if(s==e){
            sum += val;
            root->addKey(idx+1, INF, val);
            if(v == INF) v = root->minSum(idx) - idx;
            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;
        }
        if(l) l->propagate();
        if(r) r->propagate();
        sum = (!l ? 0 : l->sum) + (!r ? 0 : r->sum);
        v = min(!l ? INF: l->v, !r ? INF : r->v);
    }
};
Node* root;

bool isAble(){
    root->propagate();
    if(root->v >= -1) return true;
    return false;
}

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 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 6 ms 2816 KB Output is correct
7 Correct 7 ms 2816 KB Output is correct
8 Correct 80 ms 22136 KB Output is correct
9 Correct 65 ms 22136 KB Output is correct
10 Correct 62 ms 22144 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 1030 ms 36600 KB Output is correct
7 Correct 1115 ms 36496 KB Output is correct
8 Correct 1065 ms 36528 KB Output is correct
9 Correct 1814 ms 36600 KB Output is correct
10 Correct 1699 ms 48484 KB Output is correct
11 Correct 663 ms 43564 KB Output is correct
12 Correct 621 ms 43512 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 6 ms 2816 KB Output is correct
7 Correct 7 ms 2816 KB Output is correct
8 Correct 80 ms 22136 KB Output is correct
9 Correct 65 ms 22136 KB Output is correct
10 Correct 62 ms 22144 KB Output is correct
11 Correct 1030 ms 36600 KB Output is correct
12 Correct 1115 ms 36496 KB Output is correct
13 Correct 1065 ms 36528 KB Output is correct
14 Correct 1814 ms 36600 KB Output is correct
15 Correct 1699 ms 48484 KB Output is correct
16 Correct 663 ms 43564 KB Output is correct
17 Correct 621 ms 43512 KB Output is correct
18 Correct 1835 ms 192436 KB Output is correct
19 Correct 1855 ms 192248 KB Output is correct
20 Execution timed out 2112 ms 206584 KB Time limit exceeded
21 Halted 0 ms 0 KB -