oj.uz

Submission #671673

# Submission time Handle Problem Language Result Execution time Memory
671673 2022-12-13T13:06:40 Z hail Snowball (JOI21_ho_t2) C++17
100 / 100
 122 ms 16972 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define vi vector<int>
#define vll vector<long long>
#define pb push_back
using ll= long long;
#define fast_io ios::sync_with_stdio(0); cin.tie(0)
#define inpint(x) int x; cin>>x
#define inpll(x) long long x; cin>>x
#define fl(i, n) for(int i=0; i<n; i++)
#define flo(i, n) for(int i=1; i<=n; i++)
#define int long long 
#define pi pair<int, int>
#define mp make_pair
#define ld long double

const int MODa = 7 + (int)1e9;
const int INF = (int)1e18;
const int MOD = 998244353;

void solve()
{
    int n, q;
    cin>>n>>q;

    vector<int> x(n+1, 0);
    for(int i=1; i<=n; i++)
    {
        cin>>x[i];
    }

    vector<int> w(q+1, 0);
    vector<int> a(q+1, 0);
    vector<int> ml(q+1, 0);
    vector<int> mr(q+1, 0);
    for(int i=1; i<=q; i++)
    {
        cin>>w[i];
        a[i] = a[i-1] + w[i];
        ml[i] = min(ml[i-1], a[i]);
        mr[i] = max(mr[i-1], a[i]);
    }

    vector<int> ans(n+1, 0);
    ans[1] -= ml[q];
    ans[n] += mr[q];
    for(int i=1; i<n; i++)
    {
        int j = i+1;
        if(x[i]+mr[q]<=x[j]+ml[q])
        {
            ans[i] += mr[q];
            ans[j] -= ml[q];
            continue;
        }

        int high = q;
        int low = 0;
        //cerr<<i<<": \n";
        while(high-low>1)
        {
            int mid = (high+low)/2;
            if(x[i]+mr[mid]>x[j]+ml[mid]) high = mid;
            else low = mid;
            //cerr<<low<<" "<<high<<"\n";
        }
        //cerr<<"\n";

        ans[i] += mr[low];
        ans[j] -= ml[low];
        if(w[low+1]<0)
        {
            ans[j] += x[j] - x[i] - mr[low] + ml[low];
        }
        else
        {
            ans[i] += x[j] - x[i] - mr[low] + ml[low];
        }
    }

    for(int i=1; i<=n; i++)
    {
        cout<<ans[i]<<"\n";
    }
}

signed main()
{
    fast_io;
     
    int t=1; 
    //cin>>t;
    while(t--)
    {
        solve();
    }
    cout<<endl;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 372 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 0 ms 324 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 464 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 372 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 316 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 0 ms 324 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 26 ms 8652 KB Output is correct
21 Correct 26 ms 8504 KB Output is correct
22 Correct 27 ms 8232 KB Output is correct
23 Correct 25 ms 8140 KB Output is correct
24 Correct 29 ms 8652 KB Output is correct
25 Correct 112 ms 14984 KB Output is correct
26 Correct 108 ms 14916 KB Output is correct
27 Correct 104 ms 14548 KB Output is correct
28 Correct 101 ms 14800 KB Output is correct
29 Correct 115 ms 14252 KB Output is correct
30 Correct 93 ms 13640 KB Output is correct
31 Correct 71 ms 13004 KB Output is correct
32 Correct 57 ms 13260 KB Output is correct
33 Correct 9 ms 1756 KB Output is correct
34 Correct 101 ms 15320 KB Output is correct
35 Correct 104 ms 14808 KB Output is correct
36 Correct 99 ms 14936 KB Output is correct
37 Correct 122 ms 14800 KB Output is correct
38 Correct 99 ms 14644 KB Output is correct
39 Correct 98 ms 14796 KB Output is correct
40 Correct 84 ms 14788 KB Output is correct
41 Correct 29 ms 9260 KB Output is correct
42 Correct 50 ms 13144 KB Output is correct
43 Correct 84 ms 16456 KB Output is correct
44 Correct 31 ms 9140 KB Output is correct
45 Correct 58 ms 14676 KB Output is correct
46 Correct 95 ms 16588 KB Output is correct
47 Correct 88 ms 16836 KB Output is correct
48 Correct 87 ms 16972 KB Output is correct