oj.uz

Submission #275724

# Submission time Handle Problem Language Result Execution time Memory
275724 2020-08-20T07:20:03 Z 반딧불(#5115) Happiness (Balkan15_HAPPINESS) C++17
60 / 100
 2000 ms 264144 KB 
#include <unordered_set>
#include <climits>
#include <vector>
#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;
    int l=0, r=0;

    Node(){}
    Node(ll s, ll e): s(s), e(e){}
};
vector<Node> vec;

inline ll minSum(int i, ll idx){ /// returning sum
    ll s = vec[i].s, e = vec[i].e;
    int l = vec[i].l, r = vec[i].r;
    if(idx <= s) return 0;
    if(e < idx) return vec[i].sum;
    ll ret = 0;
    if(l && vec[l].sum) ret += minSum(l, idx);
    if(r && vec[r].sum) ret += minSum(r, idx);
    return ret;
}

inline ll minMax(int i, ll idx){ /// returning value
    ll s = vec[i].s, e = vec[i].e;
    int l = vec[i].l, r = vec[i].r;
    if(idx <= s) return 0;
    if(s==e) return s;
    ll m = (s+e)>>1;
    if(idx <= m+1){
        if(l && vec[l].sum) return minMax(l, idx);
        return 0;
    }
    if(r && vec[r].sum){
        ll tmp = minMax(r, idx);
        if(tmp) return tmp;
    }
    if(l && vec[l].sum){
        ll tmp = minMax(l, idx);
        if(tmp) return tmp;
    }
    return 0;
}

inline ll maxMin(int i, ll idx){ /// returning value
    ll s = vec[i].s, e = vec[i].e;
    int l = vec[i].l, r = vec[i].r;
    if(e <= idx) return LLONG_MAX;
    if(s==e) return s;
    ll m = (s+e)>>1;
    if(m <= idx){
        if(r && vec[r].sum) return maxMin(r, idx);
        return LLONG_MAX;
    }
    if(l && vec[l].sum){
        ll tmp = maxMin(l, idx);
        if(tmp != LLONG_MAX) return tmp;
    }
    if(r && vec[r].sum){
        ll tmp = maxMin(r, idx);
        if(tmp != LLONG_MAX) return tmp;
    }
    return LLONG_MAX;
}

void addValue(int i, ll idx, ll val){
    ll s = vec[i].s, e = vec[i].e;
    int l = vec[i].l, r = vec[i].r;
    if(s==e){
        vec[i].sum += val;

        ll lv = minMax(0, idx);
        ll rv = maxMin(0, idx);

        if(vec[i].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) vec[i].l = l = (int)vec.size(), vec.push_back(Node(s, m));
        addValue(l, idx, val);
    }
    else{
        if(!r) vec[i].r = r = (int)vec.size(), vec.push_back(Node(m+1, e));
        addValue(r, idx, val);
    }
    vec[i].sum = (!l ? 0 : vec[l].sum) + (!r ? 0 : vec[r].sum);
}

int n, cnt;

bool isAble(){
    for(auto &x: st){
//        printf("strange(%lld) ", x);
        if(minSum(0, x) + 1 < x) return false;
    }
    return true;
}

bool init(int coinsCount, ll maxCoinSize, ll coins[]) {
    n = coinsCount;
    vec.push_back(Node(1, maxCoinSize));

    for(int i=0; i<n; i++){
        addValue(0, 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++) addValue(0, 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 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 6 ms 1528 KB Output is correct
7 Correct 6 ms 2548 KB Output is correct
8 Correct 59 ms 16984 KB Output is correct
9 Correct 60 ms 16984 KB Output is correct
10 Correct 52 ms 17008 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 859 ms 34108 KB Output is correct
7 Correct 840 ms 34340 KB Output is correct
8 Correct 872 ms 34176 KB Output is correct
9 Correct 1759 ms 34108 KB Output is correct
10 Correct 1227 ms 34108 KB Output is correct
11 Correct 434 ms 33468 KB Output is correct
12 Correct 487 ms 33468 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 6 ms 1528 KB Output is correct
7 Correct 6 ms 2548 KB Output is correct
8 Correct 59 ms 16984 KB Output is correct
9 Correct 60 ms 16984 KB Output is correct
10 Correct 52 ms 17008 KB Output is correct
11 Correct 859 ms 34108 KB Output is correct
12 Correct 840 ms 34340 KB Output is correct
13 Correct 872 ms 34176 KB Output is correct
14 Correct 1759 ms 34108 KB Output is correct
15 Correct 1227 ms 34108 KB Output is correct
16 Correct 434 ms 33468 KB Output is correct
17 Correct 487 ms 33468 KB Output is correct
18 Execution timed out 2027 ms 264144 KB Time limit exceeded
19 Halted 0 ms 0 KB -