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답안 #275672

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275672 2020-08-20T07:01:05 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 269524 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#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(){
    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 = maxCoinSize;
    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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 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 0 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 7 ms 2304 KB Output is correct
7 Correct 6 ms 2560 KB Output is correct
8 Correct 61 ms 18424 KB Output is correct
9 Correct 68 ms 18680 KB Output is correct
10 Correct 54 ms 18040 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 0 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 886 ms 45560 KB Output is correct
7 Correct 845 ms 45048 KB Output is correct
8 Correct 1014 ms 45560 KB Output is correct
9 Correct 1583 ms 58744 KB Output is correct
10 Correct 1263 ms 63920 KB Output is correct
11 Correct 390 ms 44280 KB Output is correct
12 Correct 605 ms 44284 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 0 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 7 ms 2304 KB Output is correct
7 Correct 6 ms 2560 KB Output is correct
8 Correct 61 ms 18424 KB Output is correct
9 Correct 68 ms 18680 KB Output is correct
10 Correct 54 ms 18040 KB Output is correct
11 Correct 886 ms 45560 KB Output is correct
12 Correct 845 ms 45048 KB Output is correct
13 Correct 1014 ms 45560 KB Output is correct
14 Correct 1583 ms 58744 KB Output is correct
15 Correct 1263 ms 63920 KB Output is correct
16 Correct 390 ms 44280 KB Output is correct
17 Correct 605 ms 44284 KB Output is correct
18 Execution timed out 2069 ms 269524 KB Time limit exceeded
19 Halted 0 ms 0 KB -