oj.uz

Submission #340032

# Submission time Handle Problem Language Result Execution time Memory
340032 2020-12-26T15:42:59 Z Sprdalo Money (IZhO17_money) C++17
45 / 100
 1500 ms 121252 KB 
#include <bits/stdc++.h>
 
using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<double> vd;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<pi> vp;
typedef vector<pl> vpl;
 
template<int MAXN>
struct segtr{
    //To change the purpose of the segtree just redefine the operators
    struct node{
        int x;
        node(int x = 0) : x(x) {}
        node& operator+= (const node& other){
            x += other.x;
            return *this;
        }
        node operator+ (const node& other){
            node tmp = *this;
            return tmp += other;
        }
    };
    
    node a[2*MAXN];
    
    //Initialize the array
    void init(){
        for(int i = 1; i <= MAXN; ++i){
            a[i+MAXN-1] = node{};
        }
        for(int i = MAXN-1; i > 0; --i){
            a[i] = a[2*i] + a[2*i+1];
        }
    }
    
    //Sets the node and updates the tree
    void set(int pos, node val){
        pos += MAXN-1;
        a[pos] = val;
        
        while(pos > 1){
            pos /= 2;
            a[pos] = a[2*pos] + a[2*pos+1];
        }
    }
    inline void add(int pos, node val){ //Just forwards to set
        set(pos, node{a[pos+MAXN-1]+val});
    }
    
    //Gets the range query
    node get(int l, int r, int pos = 1, int rl = 1, int rr = MAXN){
        if(r < rl || rr < l){ return node{}; }
        if(l <= rl && rr <= r){ return a[pos]; }
        
        int rm = (rl+rr)/2;
        return get(l, r, 2*pos, rl, rm) + get(l, r, 2*pos+1, rm+1, rr);
    }
    
};
segtr<131072*16> drvo;
 
map<int, int> m;
signed main()
{
    ios_base::sync_with_stdio(false); 
    cin.tie(nullptr); 
    cout.tie(nullptr); 
    cerr.tie(nullptr);    
 
    int n;
    cin >> n;
 
    vi a(n);
    set<int> s;
    for (auto& i : a){
        cin >> i;
        s.insert(i);
    }
 
    int cur = 1;
    for (auto& i : s){
        m[i] = cur++;
    }
 
    for (auto& i : a){
        i = m[i];
    }
 
    drvo.init();
 
    int l = 0, r = 1, sol = 1;
    while(1){
        if (r == n) break;
 
        if (a[r] < a[r-1]){
 
            for (int i = l; i < r; ++i)
                drvo.set(a[i], 1);
 
            ++sol;
            l = r;
            r++;
            drvo.set(a[l], 1);
            continue;
        }
 
        if (a[l]+1 > a[r]-1){
            ++r;
            continue;
        }
 
        int x = drvo.get(a[l]+1, a[r]-1).x;
        if (!x){
            ++r;
            continue;
        }
 
        for (int i = l; i < r; ++i)
            drvo.set(a[i], 1);
        l = r;
        ++sol;
        ++r;
    }
 
    cout<< sol << '\n';
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 16748 KB Output is correct
2 Correct 15 ms 16748 KB Output is correct
3 Correct 14 ms 16748 KB Output is correct
4 Correct 14 ms 16748 KB Output is correct
5 Correct 14 ms 16748 KB Output is correct
6 Correct 14 ms 16748 KB Output is correct
7 Correct 15 ms 16748 KB Output is correct
8 Correct 14 ms 16748 KB Output is correct
9 Correct 14 ms 16748 KB Output is correct
10 Correct 14 ms 16748 KB Output is correct
11 Correct 14 ms 16748 KB Output is correct
12 Correct 14 ms 16748 KB Output is correct
13 Correct 14 ms 16748 KB Output is correct
14 Correct 14 ms 16748 KB Output is correct
15 Correct 14 ms 16748 KB Output is correct
16 Correct 14 ms 16748 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 16748 KB Output is correct
2 Correct 15 ms 16748 KB Output is correct
3 Correct 14 ms 16748 KB Output is correct
4 Correct 14 ms 16748 KB Output is correct
5 Correct 14 ms 16748 KB Output is correct
6 Correct 14 ms 16748 KB Output is correct
7 Correct 15 ms 16748 KB Output is correct
8 Correct 14 ms 16748 KB Output is correct
9 Correct 14 ms 16748 KB Output is correct
10 Correct 14 ms 16748 KB Output is correct
11 Correct 14 ms 16748 KB Output is correct
12 Correct 14 ms 16748 KB Output is correct
13 Correct 14 ms 16748 KB Output is correct
14 Correct 14 ms 16748 KB Output is correct
15 Correct 14 ms 16748 KB Output is correct
16 Correct 14 ms 16748 KB Output is correct
17 Correct 14 ms 16748 KB Output is correct
18 Correct 15 ms 16748 KB Output is correct
19 Correct 14 ms 16748 KB Output is correct
20 Correct 14 ms 16876 KB Output is correct
21 Correct 14 ms 16748 KB Output is correct
22 Correct 14 ms 16748 KB Output is correct
23 Correct 14 ms 16748 KB Output is correct
24 Correct 14 ms 16748 KB Output is correct
25 Correct 14 ms 16748 KB Output is correct
26 Correct 15 ms 16748 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 16748 KB Output is correct
2 Correct 15 ms 16748 KB Output is correct
3 Correct 14 ms 16748 KB Output is correct
4 Correct 14 ms 16748 KB Output is correct
5 Correct 14 ms 16748 KB Output is correct
6 Correct 14 ms 16748 KB Output is correct
7 Correct 15 ms 16748 KB Output is correct
8 Correct 14 ms 16748 KB Output is correct
9 Correct 14 ms 16748 KB Output is correct
10 Correct 14 ms 16748 KB Output is correct
11 Correct 14 ms 16748 KB Output is correct
12 Correct 14 ms 16748 KB Output is correct
13 Correct 14 ms 16748 KB Output is correct
14 Correct 14 ms 16748 KB Output is correct
15 Correct 14 ms 16748 KB Output is correct
16 Correct 14 ms 16748 KB Output is correct
17 Correct 14 ms 16748 KB Output is correct
18 Correct 15 ms 16748 KB Output is correct
19 Correct 14 ms 16748 KB Output is correct
20 Correct 14 ms 16876 KB Output is correct
21 Correct 14 ms 16748 KB Output is correct
22 Correct 14 ms 16748 KB Output is correct
23 Correct 14 ms 16748 KB Output is correct
24 Correct 14 ms 16748 KB Output is correct
25 Correct 14 ms 16748 KB Output is correct
26 Correct 15 ms 16748 KB Output is correct
27 Correct 14 ms 16748 KB Output is correct
28 Correct 14 ms 16748 KB Output is correct
29 Correct 14 ms 16748 KB Output is correct
30 Correct 14 ms 16748 KB Output is correct
31 Correct 15 ms 16748 KB Output is correct
32 Correct 14 ms 16876 KB Output is correct
33 Correct 14 ms 16748 KB Output is correct
34 Correct 15 ms 16748 KB Output is correct
35 Correct 14 ms 16748 KB Output is correct
36 Correct 14 ms 16748 KB Output is correct
37 Correct 15 ms 16748 KB Output is correct
38 Correct 15 ms 16748 KB Output is correct

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 16748 KB Output is correct
2 Correct 15 ms 16748 KB Output is correct
3 Correct 14 ms 16748 KB Output is correct
4 Correct 14 ms 16748 KB Output is correct
5 Correct 14 ms 16748 KB Output is correct
6 Correct 14 ms 16748 KB Output is correct
7 Correct 15 ms 16748 KB Output is correct
8 Correct 14 ms 16748 KB Output is correct
9 Correct 14 ms 16748 KB Output is correct
10 Correct 14 ms 16748 KB Output is correct
11 Correct 14 ms 16748 KB Output is correct
12 Correct 14 ms 16748 KB Output is correct
13 Correct 14 ms 16748 KB Output is correct
14 Correct 14 ms 16748 KB Output is correct
15 Correct 14 ms 16748 KB Output is correct
16 Correct 14 ms 16748 KB Output is correct
17 Correct 14 ms 16748 KB Output is correct
18 Correct 15 ms 16748 KB Output is correct
19 Correct 14 ms 16748 KB Output is correct
20 Correct 14 ms 16876 KB Output is correct
21 Correct 14 ms 16748 KB Output is correct
22 Correct 14 ms 16748 KB Output is correct
23 Correct 14 ms 16748 KB Output is correct
24 Correct 14 ms 16748 KB Output is correct
25 Correct 14 ms 16748 KB Output is correct
26 Correct 15 ms 16748 KB Output is correct
27 Correct 14 ms 16748 KB Output is correct
28 Correct 14 ms 16748 KB Output is correct
29 Correct 14 ms 16748 KB Output is correct
30 Correct 14 ms 16748 KB Output is correct
31 Correct 15 ms 16748 KB Output is correct
32 Correct 14 ms 16876 KB Output is correct
33 Correct 14 ms 16748 KB Output is correct
34 Correct 15 ms 16748 KB Output is correct
35 Correct 14 ms 16748 KB Output is correct
36 Correct 14 ms 16748 KB Output is correct
37 Correct 15 ms 16748 KB Output is correct
38 Correct 15 ms 16748 KB Output is correct
39 Correct 166 ms 18668 KB Output is correct
40 Correct 294 ms 19820 KB Output is correct
41 Correct 132 ms 18284 KB Output is correct
42 Correct 138 ms 18028 KB Output is correct
43 Correct 103 ms 17644 KB Output is correct
44 Correct 354 ms 20716 KB Output is correct
45 Correct 349 ms 20716 KB Output is correct
46 Correct 358 ms 20716 KB Output is correct
47 Correct 277 ms 20716 KB Output is correct
48 Correct 312 ms 20716 KB Output is correct
49 Correct 1290 ms 57580 KB Output is correct
50 Correct 1298 ms 64444 KB Output is correct
51 Correct 1421 ms 64364 KB Output is correct
52 Correct 1360 ms 64492 KB Output is correct
53 Correct 1330 ms 64492 KB Output is correct
54 Correct 1324 ms 64288 KB Output is correct
55 Execution timed out 1605 ms 121252 KB Time limit exceeded
56 Halted 0 ms 0 KB -