oj.uz

답안 #951301

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
951301 2024-03-21T15:11:58 Z hotboy2703 Sightseeing in Kyoto (JOI22_kyoto) C++14
100 / 100
 490 ms 26108 KB 
#include<bits/stdc++.h>
using ll = long long;
using namespace std;
#define pll pair <ll,ll>
#define fi first
#define se second
#define sz(a) (ll((a).size()))
#define BIT(mask,i) (((mask) >> (i))&1)
#define MASK(i) (1LL << (i))
#define MP make_pair
const ll MAXN = 1e5;
ll n[2];
ll a[2][MAXN+100];
struct frac{
    ll x,y;
    bool operator < (const frac &p)const{
        return (p.y * y < 0) ^ (x*p.y<p.x*y);
    }
};
set <pair <frac,ll> > seg[2];
set <ll> s[2];
pair <frac,ll> cv(bool o,ll x1,ll x2){
    return MP(frac({a[o][x2]-a[o][x1],x2-x1}),x2);
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
    cin>>n[0]>>n[1];
    for (ll j = 0;j < 2;j ++){
        for (ll i = 1;i <= n[j];i ++)cin>>a[j][i];
    }
    for (ll j = 0;j < 2;j ++){
        for (ll i = 1;i <= n[j];i ++){
            s[j].insert(i);
            if (i>1)seg[j].insert(MP(frac({a[j][i]-a[j][i-1],1}),i));
        }
    }
    ll ans = 0;
    while (sz(s[0]) > 1 && sz(s[1]) > 1){
        bool o = (*seg[0].rbegin()).fi < (*seg[1].rbegin()).fi;
        ll x = (*seg[o].rbegin()).se;
//        cout<<o<<' '<<x<<' '<<a[o][x]<<endl;
//        seg[o].erase(*seg[o].rbegin());
//        assert(s[o].find(x)!=s[o].end());
        if (x==*s[o].rbegin()){
            auto tmp = s[o].find(x);
            seg[o].erase(cv(o,*prev(tmp),x));
            ans += (x-*prev(tmp)) * a[!o][*s[!o].rbegin()];
        }
        else{
            if (x==*s[o].begin()){
                auto tmp = s[o].find(x);
                seg[o].erase(cv(o,x,*next(tmp)));
            }
            else{
                auto tmp = s[o].find(x);
                seg[o].erase(cv(o,*prev(tmp),x));
                seg[o].erase(cv(o,x,*next(tmp)));
                ll x1 = *prev(tmp),x2 = *next(tmp);
                seg[o].insert(cv(o,x1,x2));
            }
        }
        s[o].erase(x);
    }
    if (sz(s[0])==1)ans += (*s[1].rbegin() - 1) * a[0][1];
    else ans += (*s[0].rbegin() - 1) * a[1][1];
    cout<<ans;
}
/*
6 8
3 5 1 9 4 8
3 6 7 1 8 2 5 6
*/

Subtask #1
10.0 / 10.0

# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 520 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 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 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 464 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 352 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 129 ms 10204 KB Output is correct
5 Correct 70 ms 9688 KB Output is correct
6 Correct 43 ms 4444 KB Output is correct
7 Correct 414 ms 24660 KB Output is correct
8 Correct 433 ms 24720 KB Output is correct
9 Correct 477 ms 24560 KB Output is correct
10 Correct 415 ms 24536 KB Output is correct
11 Correct 149 ms 24404 KB Output is correct
12 Correct 443 ms 24700 KB Output is correct
13 Correct 414 ms 24608 KB Output is correct
14 Correct 210 ms 24656 KB Output is correct
15 Correct 88 ms 24660 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 456 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 520 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 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 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 464 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 352 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 129 ms 10204 KB Output is correct
33 Correct 70 ms 9688 KB Output is correct
34 Correct 43 ms 4444 KB Output is correct
35 Correct 414 ms 24660 KB Output is correct
36 Correct 433 ms 24720 KB Output is correct
37 Correct 477 ms 24560 KB Output is correct
38 Correct 415 ms 24536 KB Output is correct
39 Correct 149 ms 24404 KB Output is correct
40 Correct 443 ms 24700 KB Output is correct
41 Correct 414 ms 24608 KB Output is correct
42 Correct 210 ms 24656 KB Output is correct
43 Correct 88 ms 24660 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 0 ms 456 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 151 ms 11664 KB Output is correct
56 Correct 1 ms 600 KB Output is correct
57 Correct 10 ms 1368 KB Output is correct
58 Correct 32 ms 3868 KB Output is correct
59 Correct 456 ms 25684 KB Output is correct
60 Correct 430 ms 26108 KB Output is correct
61 Correct 478 ms 25680 KB Output is correct
62 Correct 490 ms 25876 KB Output is correct
63 Correct 110 ms 25784 KB Output is correct
64 Correct 447 ms 26092 KB Output is correct
65 Correct 392 ms 25712 KB Output is correct
66 Correct 152 ms 25856 KB Output is correct
67 Correct 96 ms 26028 KB Output is correct