oj.uz

답안 #275970

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275970 2020-08-20T08:42:30 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 192452 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;
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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 8 ms 2816 KB Output is correct
7 Correct 7 ms 2816 KB Output is correct
8 Correct 85 ms 22136 KB Output is correct
9 Correct 78 ms 22136 KB Output is correct
10 Correct 59 ms 22136 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 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 1068 ms 36344 KB Output is correct
7 Correct 944 ms 36472 KB Output is correct
8 Correct 1027 ms 36344 KB Output is correct
9 Correct 1794 ms 36416 KB Output is correct
10 Correct 1895 ms 48456 KB Output is correct
11 Correct 676 ms 43640 KB Output is correct
12 Correct 687 ms 43772 KB Output is correct

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 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 8 ms 2816 KB Output is correct
7 Correct 7 ms 2816 KB Output is correct
8 Correct 85 ms 22136 KB Output is correct
9 Correct 78 ms 22136 KB Output is correct
10 Correct 59 ms 22136 KB Output is correct
11 Correct 1068 ms 36344 KB Output is correct
12 Correct 944 ms 36472 KB Output is correct
13 Correct 1027 ms 36344 KB Output is correct
14 Correct 1794 ms 36416 KB Output is correct
15 Correct 1895 ms 48456 KB Output is correct
16 Correct 676 ms 43640 KB Output is correct
17 Correct 687 ms 43772 KB Output is correct
18 Execution timed out 2081 ms 192452 KB Time limit exceeded
19 Halted 0 ms 0 KB -