답안 #879746

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
879746	2023-11-28T03:51:36 Z	Regulus	Sightseeing in Kyoto (JOI22_kyoto)	C++17	100 / 100	18 ms	4312 KB

kyoto

#include <bits/stdc++.h>
#define IO ios::sync_with_stdio(false);cin.tie(0);
#define debug(x) cerr << #x << " = " << (x) << ' '
#define endl cerr << '\n'
#define all(v) (v).begin(), (v).end()
#define SZ(v) (ll)(v).size()
#define lowbit(x) (x)&-(x)
#define pb emplace_back
#define F first
#define S second
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

const int N = 1e5+5;
ll a[N], b[N];
vector<int> stka, stkb;

inline bool chk(ll a[], int x, int y, int z)
{ return !((z-y)*(a[y]-a[x]) < (y-x)*(a[z]-a[y])); }

inline bool chk2(int x, int y, int l, int r)
{ return (r-l)*(a[y]-a[x]) < (y-x)*(b[r]-b[l]); }

int main(void)
{ IO
    ll n, i, m, j, ans=0;

    cin >> n >> m;
    for (i=1; i <= n; ++i) cin >> a[i];
    for (i=1; i <= m; ++i) cin >> b[i];
    for (i=1; i <= n; ++i)
    {
        while (SZ(stka) >= 2 && chk(a, stka[SZ(stka)-2], stka[SZ(stka)-1], i))
            stka.pop_back();
        stka.pb(i);
    }
    for (i=1; i <= m; ++i)
    {
        while (SZ(stkb) >= 2 && chk(b, stkb[SZ(stkb)-2], stkb[SZ(stkb)-1], i))
            stkb.pop_back();
        stkb.pb(i);
    }

    for (i=0, j=0; i < SZ(stka)-1 || j < SZ(stkb)-1; )
    {
        if (i < SZ(stka)-1 && j < SZ(stkb)-1)
        {
            if (chk2(stka[i], stka[i+1], stkb[j], stkb[j+1]))
            {
                ans += (stka[i+1]-stka[i]) * b[stkb[j]];
                ++i;
            } else {
                ans += (stkb[j+1]-stkb[j]) * a[stka[i]];
                ++j;
            }
        } else if (i < SZ(stka)-1) {
            ans += (stka[i+1]-stka[i]) * b[stkb[j]];
            ++i;
        } else {        // if j < SZ(stkb)-1
            ans += (stkb[j+1]-stkb[j]) * a[stka[i]];
            ++j;
        }
    }

    cout << ans << '\n';


    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	460 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	476 KB	Output is correct
11	Correct	1 ms	604 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	464 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	856 KB	Output is correct
28	Correct	0 ms	604 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	352 KB	Output is correct
4	Correct	5 ms	1372 KB	Output is correct
5	Correct	4 ms	1260 KB	Output is correct
6	Correct	2 ms	604 KB	Output is correct
7	Correct	17 ms	2628 KB	Output is correct
8	Correct	12 ms	2648 KB	Output is correct
9	Correct	12 ms	2656 KB	Output is correct
10	Correct	12 ms	2656 KB	Output is correct
11	Correct	10 ms	2656 KB	Output is correct
12	Correct	14 ms	2656 KB	Output is correct
13	Correct	14 ms	2652 KB	Output is correct
14	Correct	11 ms	2708 KB	Output is correct
15	Correct	11 ms	2912 KB	Output is correct
16	Correct	0 ms	360 KB	Output is correct
17	Correct	0 ms	360 KB	Output is correct
18	Correct	0 ms	356 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #3
60.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	460 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	476 KB	Output is correct
11	Correct	1 ms	604 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	344 KB	Output is correct
25	Correct	0 ms	464 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	856 KB	Output is correct
28	Correct	0 ms	604 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	352 KB	Output is correct
32	Correct	5 ms	1372 KB	Output is correct
33	Correct	4 ms	1260 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	17 ms	2628 KB	Output is correct
36	Correct	12 ms	2648 KB	Output is correct
37	Correct	12 ms	2656 KB	Output is correct
38	Correct	12 ms	2656 KB	Output is correct
39	Correct	10 ms	2656 KB	Output is correct
40	Correct	14 ms	2656 KB	Output is correct
41	Correct	14 ms	2652 KB	Output is correct
42	Correct	11 ms	2708 KB	Output is correct
43	Correct	11 ms	2912 KB	Output is correct
44	Correct	0 ms	360 KB	Output is correct
45	Correct	0 ms	360 KB	Output is correct
46	Correct	0 ms	356 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	348 KB	Output is correct
51	Correct	0 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	0 ms	348 KB	Output is correct
55	Correct	9 ms	1884 KB	Output is correct
56	Correct	0 ms	348 KB	Output is correct
57	Correct	1 ms	480 KB	Output is correct
58	Correct	3 ms	856 KB	Output is correct
59	Correct	18 ms	3932 KB	Output is correct
60	Correct	18 ms	3928 KB	Output is correct
61	Correct	18 ms	3932 KB	Output is correct
62	Correct	18 ms	3836 KB	Output is correct
63	Correct	16 ms	4312 KB	Output is correct
64	Correct	18 ms	3932 KB	Output is correct
65	Correct	18 ms	3932 KB	Output is correct
66	Correct	16 ms	3932 KB	Output is correct
67	Correct	17 ms	3932 KB	Output is correct

답안 #879746

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 30.0 / 30.0

Subtask #3 60.0 / 60.0

Subtask #1
10.0 / 10.0

Subtask #2
30.0 / 30.0

Subtask #3
60.0 / 60.0