Submission #441802

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
441802	2021-07-06T08:20:54 Z	benedict0724	Snowball (JOI21_ho_t2)	C++17	100 / 100	109 ms	15540 KB

Main

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll X[200002];
ll P[200002], N[200002];
vector<pair<ll, int>> v;

int main()
{
    ios::sync_with_stdio(false); cin.tie(NULL);
    int n, q; cin >> n >> q;
    for(int i=1;i<=n;i++) cin >> X[i];
    for(int i=1;i<n;i++) v.push_back({X[i+1] - X[i], i});

    ll Neg = 0, Pos = 0, W = 0;
    sort(v.begin(), v.end());
    for(int i=1;i<=n;i++) P[i] = -1;
    for(int i=1;i<=n;i++) N[i] = 1;
    for(int i=1,j=0;i<=q;i++)
    {
        ll A; cin >> A;
        W += A;
        Pos = max(Pos, W);
        Neg = min(Neg, W);

        while(j < n-1 && v[j].first <= Pos - Neg)
        {
            int x = v[j].second;
            if(A > 0)
            {
                N[x+1] = Neg;
                P[x] = v[j].first + Neg;
            }
            else
            {
                P[x] = Pos;
                N[x+1] = Pos - v[j].first;
            }
            j++;
        }
    }

    for(int i=1;i<=n;i++)
    {
        if(P[i] == -1) P[i] = Pos;
        if(N[i] == 1) N[i] = Neg;
    }

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

Subtask #1

33.0 / 33.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	460 KB	Output is correct
10	Correct	2 ms	460 KB	Output is correct
11	Correct	1 ms	460 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	2 ms	460 KB	Output is correct
16	Correct	2 ms	460 KB	Output is correct
17	Correct	2 ms	460 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	460 KB	Output is correct

Subtask #2

67.0 / 67.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	1 ms	460 KB	Output is correct
8	Correct	1 ms	460 KB	Output is correct
9	Correct	1 ms	460 KB	Output is correct
10	Correct	2 ms	460 KB	Output is correct
11	Correct	1 ms	460 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	2 ms	460 KB	Output is correct
16	Correct	2 ms	460 KB	Output is correct
17	Correct	2 ms	460 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	460 KB	Output is correct
20	Correct	31 ms	2368 KB	Output is correct
21	Correct	30 ms	2240 KB	Output is correct
22	Correct	30 ms	2000 KB	Output is correct
23	Correct	28 ms	1960 KB	Output is correct
24	Correct	33 ms	3036 KB	Output is correct
25	Correct	104 ms	13528 KB	Output is correct
26	Correct	106 ms	13492 KB	Output is correct
27	Correct	102 ms	13232 KB	Output is correct
28	Correct	104 ms	13280 KB	Output is correct
29	Correct	100 ms	12752 KB	Output is correct
30	Correct	98 ms	12236 KB	Output is correct
31	Correct	98 ms	11572 KB	Output is correct
32	Correct	78 ms	11736 KB	Output is correct
33	Correct	11 ms	1744 KB	Output is correct
34	Correct	102 ms	13844 KB	Output is correct
35	Correct	106 ms	13396 KB	Output is correct
36	Correct	109 ms	13580 KB	Output is correct
37	Correct	107 ms	13340 KB	Output is correct
38	Correct	105 ms	13184 KB	Output is correct
39	Correct	106 ms	13428 KB	Output is correct
40	Correct	104 ms	13268 KB	Output is correct
41	Correct	37 ms	3012 KB	Output is correct
42	Correct	88 ms	11796 KB	Output is correct
43	Correct	101 ms	15064 KB	Output is correct
44	Correct	36 ms	2884 KB	Output is correct
45	Correct	101 ms	13232 KB	Output is correct
46	Correct	106 ms	15128 KB	Output is correct
47	Correct	103 ms	15408 KB	Output is correct
48	Correct	107 ms	15540 KB	Output is correct