oj.uz

Submission #72162

# Submission time Handle Problem Language Result Execution time Memory
72162 2018-08-26T05:38:26 Z cat > /dev/null(#2231, lobo_prix, jms100300, enochjung) Box Run (FXCUP3_box) C++17
17 / 100
 170 ms 8024 KB 
#include<bits/stdc++.h>
using namespace std;
template<typename T>    
struct IT {    
    typedef size_t sint;    
    typedef function<T(const T&,const T&)> func;    
    T *arr;    
    T init_val;  

    sint N;    
    func F;    

    IT(sint n, func F):F(F) {    
        for (N = 1; N < n; N <<= 1);    
        arr = new T[N << 1]();    
        init_val = T();  
    }    

    IT(sint n, func F, T init_val):F(F),init_val(init_val) {  
        for (N = 1; N < n; N <<= 1);  
        arr = new T[N << 1];  
        fill(arr, arr + (N<<1), init_val);  
    }  

    void update(sint i, T val) {    
        i |= N;    
        arr[i] = val;    
        while (i >>= 1)    
            arr[i] = F(arr[i<<1], arr[i<<1 | 1]);    
    }    

    T query(sint l, sint r) {    
        l |= N, r |= N;    
        T lval = init_val, rval = init_val;    
        while (l <= r) {    
            if (l & 1)    
                lval = F(lval, arr[l++]);    
            if (!(r & 1))    
                rval = F(arr[r--], rval);    
            l >>= 1, r >>= 1;    
        }    
        return F(lval, rval);    
    }    
};  

const int MAX_N = 1e5;
map<int, int> valcomp;
int arr[MAX_N];
int res[MAX_N];

int main(void) {
    ios_base::sync_with_stdio(false), cin.tie(NULL);
    vector<int> vals;

    int N;  cin >> N;
    for (int i = 0; i < N; i ++) {
        cin >> arr[i];
        vals.push_back(arr[i]);
    }

    sort(vals.begin(), vals.end());
    vals.erase(unique(vals.begin(), vals.end()), vals.end());
    int cur_idx = 0;
    for (int val : vals)
        valcomp[val] = cur_idx++;

    IT<int> segtree(cur_idx+1, [](const int& a, const int& b) { return max(a,b); }, -1);
    int last = 0;

    memset(res, -1, sizeof res);
    segtree.update(valcomp[arr[0]], 0);
    for (int i = 1; i < N; i ++) {
        if (arr[i] > arr[i-1]) { 
            int qidx = segtree.query(valcomp[arr[i]], cur_idx);
            if (qidx != -1) {
                for (int k = qidx+1; k < i-last; k ++) 
                    res[i-k-1] = k+1;

                last = max(last, i-qidx-1);
            }
            else {
                for (; last < i; last ++)
                    res[last] = i-last;
            }
        }
        segtree.update(valcomp[arr[i]], i);
    }

    for (int i = 0; i < N; i ++)
        cout << res[i] << ' ';
    cout << endl;
}

Compilation message

box.cpp: In instantiation of 'IT<T>::IT(IT<T>::sint, IT<T>::func, T) [with T = int; IT<T>::sint = long unsigned int; IT<T>::func = std::function<int(const int&, const int&)>]':
box.cpp:67:87:   required from here
box.cpp:11:10: warning: 'IT<int>::F' will be initialized after [-Wreorder]
     func F;
          ^
box.cpp:8:7: warning:   'int IT<int>::init_val' [-Wreorder]
     T init_val;
       ^~~~~~~~
box.cpp:19:5: warning:   when initialized here [-Wreorder]
     IT(sint n, func F, T init_val):F(F),init_val(init_val) {
     ^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 3 ms 740 KB Output is correct
3 Correct 2 ms 816 KB Output is correct
4 Correct 2 ms 832 KB Output is correct
5 Correct 3 ms 832 KB Output is correct
6 Correct 2 ms 892 KB Output is correct
7 Correct 2 ms 928 KB Output is correct
8 Correct 3 ms 928 KB Output is correct
9 Correct 4 ms 1056 KB Output is correct
10 Correct 5 ms 1056 KB Output is correct
11 Correct 4 ms 1056 KB Output is correct

Subtask #2
0 / 83.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 632 KB Output is correct
2 Correct 3 ms 740 KB Output is correct
3 Correct 2 ms 816 KB Output is correct
4 Correct 2 ms 832 KB Output is correct
5 Correct 3 ms 832 KB Output is correct
6 Correct 2 ms 892 KB Output is correct
7 Correct 2 ms 928 KB Output is correct
8 Correct 3 ms 928 KB Output is correct
9 Correct 4 ms 1056 KB Output is correct
10 Correct 5 ms 1056 KB Output is correct
11 Correct 4 ms 1056 KB Output is correct
12 Correct 4 ms 1056 KB Output is correct
13 Correct 5 ms 1084 KB Output is correct
14 Correct 69 ms 4300 KB Output is correct
15 Correct 105 ms 6380 KB Output is correct
16 Correct 170 ms 8024 KB Output is correct
17 Runtime error 22 ms 8024 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Halted 0 ms 0 KB -