oj.uz

Submission #248844

# Submission time Handle Problem Language Result Execution time Memory
248844 2020-07-13T14:38:29 Z egekabas Bubble Sort 2 (JOI18_bubblesort2) C++14
22 / 100
 119 ms 95736 KB 
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int seg[4000009];
int lazy[4000009];
void push(int v){
    lazy[2*v] += lazy[v];
    lazy[2*v+1] += lazy[v];
    seg[2*v] += lazy[v];
    seg[2*v+1] += lazy[v];
    lazy[v] = 0;
}
void upd(int v, int tl, int tr, int l, int r, int val){
    if(r < tl || tr < l) return;
    if(l <= tl && tr <= r){
        seg[v] += val;
        lazy[v] += val;
    }
    else{
        push(v);
        upd(2*v, tl, (tl+tr)/2, l, r, val);
        upd(2*v+1, (tl+tr)/2+1, tr, l, r, val);
        seg[v] = max(seg[2*v], seg[2*v+1]);
    }
}
vector<int> mpp;
int get(int x){
    return lower_bound(mpp.begin(), mpp.end(), x)-mpp.begin();
}
set<int, greater<int>> s[1000009];
int n, N;
void erase(int idx, vector<int> &a){
    if(*s[a[idx]].begin() == idx+1){
        upd(1, 0, N, a[idx], a[idx], -(idx+1));
        s[a[idx]].erase(idx+1);
        if(s[a[idx]].size())
            upd(1, 0, N, a[idx], a[idx], *s[a[idx]].begin());
    }
    else
        s[a[idx]].erase(idx+1);
    upd(1, 0, N, a[idx], N, 1);
}
void add(int idx, vector<int> &a){
    if(s[a[idx]].empty()){
        upd(1, 0, N, a[idx], a[idx], (idx+1));        
    }
    else if(idx+1 > *s[a[idx]].begin()){
        upd(1, 0, N, a[idx], a[idx], -*s[a[idx]].begin());
        upd(1, 0, N, a[idx], a[idx], (idx+1));    
    }
    s[a[idx]].insert(idx+1);
    upd(1, 0, N, a[idx], N, -1);
}
vector<int> countScans(vector<int> a, vector<int> x, vector<int> v){
    n = a.size();
    for(auto u : a)
        mpp.pb(u);
    for(auto u : v)
        mpp.pb(u);
    sort(mpp.begin(), mpp.end());
    mpp.resize(unique(mpp.begin(), mpp.end())-mpp.begin());
    N = mpp.size()-1;

    //assert(N <= 1000000);
    for(int i = 0; i < n; ++i)
        a[i] = get(a[i]);
    for(int i = 0; i < v.size(); ++i)
        v[i] = get(v[i]);

    
    for(int i = 0; i < n; ++i){
        s[a[i]].insert(i+1);
        upd(1, 0, N, a[i], n, -1);
    }
    for(int i = 0; i < n; ++i)
        if(*s[a[i]].begin() == i+1){
            upd(1, 0, N, a[i], a[i], i+1);
        }
    vector<int> ans(x.size());
    for(int i = 0; i < x.size(); ++i){
        assert(a[i] <= N);
        erase(x[i], a);
        a[x[i]] = v[i];
        assert(a[i] <= N);
        add(x[i], a);
        ans[i] = max(seg[1], 0);
    }
    return ans;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:77:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < v.size(); ++i)
                    ~~^~~~~~~~~~
bubblesort2.cpp:90:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < x.size(); ++i){
                    ~~^~~~~~~~~~

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 77 ms 95736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 77 ms 95736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 49016 KB Output is correct
2 Correct 78 ms 50164 KB Output is correct
3 Correct 119 ms 51440 KB Output is correct
4 Correct 117 ms 51440 KB Output is correct
5 Correct 115 ms 51440 KB Output is correct
6 Correct 115 ms 51440 KB Output is correct
7 Correct 110 ms 51440 KB Output is correct
8 Correct 111 ms 51440 KB Output is correct
9 Correct 110 ms 51440 KB Output is correct
10 Correct 102 ms 51568 KB Output is correct
11 Correct 96 ms 51444 KB Output is correct
12 Correct 99 ms 51372 KB Output is correct
13 Correct 94 ms 51440 KB Output is correct
14 Correct 96 ms 51440 KB Output is correct
15 Correct 95 ms 51468 KB Output is correct
16 Correct 91 ms 51440 KB Output is correct
17 Correct 90 ms 51440 KB Output is correct
18 Correct 89 ms 51440 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 77 ms 95736 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -