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답안 #412661

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
412661 2021-05-27T09:42:11 Z amoo_safar Long Distance Coach (JOI17_coach) C++17
100 / 100
 157 ms 20828 KB 
// vaziat meshki-ghermeze !
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

ll dp[N];
ll rif[N];
ll mn[N];

typedef pll Line;
vector< pair<ll, Line> > CHT;
ll Inter(Line A, Line B){
	return (A.S - B.S) / (B.F - A.F) + ((A.S - B.S) % (B.F - A.F) > 0);
}
void Add(Line A){
	while(!CHT.empty() && Inter(CHT.back().S, A) <= CHT.back().F)
		CHT.pop_back();
	CHT.pb({CHT.empty() ? -Inf : Inter(CHT.back().S, A), A});
}
ll Get(ll X){
	int idx = upper_bound(all(CHT), pair<ll, Line>(X, pll(Inf, Inf))) - CHT.begin();
	idx --;
	return CHT[idx].S.F * X + CHT[idx].S.S;
}

int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	ll X, n, m, W, T;
	cin >> X >> n >> m >> W >> T;
	
	vector<pll> D = { {0, 0} }; // D, C
	for(int i = 0; i < n; i++)
		cin >> rif[i];
	rif[n] = X;

	int d, c;
	for(int i = 0; i < m; i++){
		cin >> d >> c;
		D.pb({d, c});
	}
	sort(all(D));
	for(int i = 1; i <= m; i++) D[i].S += D[i - 1].S;
	memset(mn, 31, sizeof mn);
	for(int i = 0; i <= n; i++){
		int idx = lower_bound(all(D), pll(rif[i] % T, -1)) - D.begin();
		idx --;
		assert(0 <= idx);
		mn[idx] = min(mn[idx], rif[i]);
	}
	dp[0] = ((X + T) / T) * W;
	for(int i = 1; i <= m; i++){
		Add({-(i - 1), dp[i - 1] - D[i - 1].S});
		dp[i] = dp[i - 1] + ( 1 + ((X - D[i].F) / T) ) * W;
		// debug(mn[i]);
		if(mn[i] >= Inf) continue;
		
		ll fac = mn[i] / T;
		// debug(fac);
		dp[i] = min(dp[i], D[i].S + i * fac * W + Get(fac * W));
	}

	//
	// for(auto [d, c] : D) cerr << "(" << d << ", " << c << ")\n";
	// for(int i = 0; i <= m; i++) cerr << dp[i] << ' ';
	// cerr << '\n';
	//
	cout << dp[m] << '\n';
	return 0;
}

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 1 ms 1868 KB Output is correct
3 Correct 2 ms 1868 KB Output is correct
4 Correct 2 ms 1992 KB Output is correct
5 Correct 1 ms 1868 KB Output is correct
6 Correct 1 ms 1868 KB Output is correct
7 Correct 1 ms 1868 KB Output is correct
8 Correct 1 ms 1868 KB Output is correct
9 Correct 2 ms 1868 KB Output is correct
10 Correct 2 ms 1868 KB Output is correct
11 Correct 1 ms 1868 KB Output is correct
12 Correct 1 ms 1868 KB Output is correct
13 Correct 1 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 2 ms 1868 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 1 ms 1868 KB Output is correct
3 Correct 2 ms 1868 KB Output is correct
4 Correct 2 ms 1992 KB Output is correct
5 Correct 1 ms 1868 KB Output is correct
6 Correct 1 ms 1868 KB Output is correct
7 Correct 1 ms 1868 KB Output is correct
8 Correct 1 ms 1868 KB Output is correct
9 Correct 2 ms 1868 KB Output is correct
10 Correct 2 ms 1868 KB Output is correct
11 Correct 1 ms 1868 KB Output is correct
12 Correct 1 ms 1868 KB Output is correct
13 Correct 1 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 2 ms 1868 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 2 ms 1868 KB Output is correct
25 Correct 1 ms 1868 KB Output is correct
26 Correct 1 ms 1868 KB Output is correct
27 Correct 2 ms 1868 KB Output is correct
28 Correct 2 ms 1868 KB Output is correct
29 Correct 2 ms 1868 KB Output is correct
30 Correct 2 ms 1868 KB Output is correct
31 Correct 2 ms 1868 KB Output is correct
32 Correct 2 ms 1868 KB Output is correct
33 Correct 2 ms 1868 KB Output is correct
34 Correct 2 ms 1868 KB Output is correct
35 Correct 1 ms 1868 KB Output is correct
36 Correct 1 ms 1868 KB Output is correct
37 Correct 2 ms 1868 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 1 ms 1868 KB Output is correct
3 Correct 2 ms 1868 KB Output is correct
4 Correct 2 ms 1992 KB Output is correct
5 Correct 1 ms 1868 KB Output is correct
6 Correct 1 ms 1868 KB Output is correct
7 Correct 1 ms 1868 KB Output is correct
8 Correct 1 ms 1868 KB Output is correct
9 Correct 2 ms 1868 KB Output is correct
10 Correct 2 ms 1868 KB Output is correct
11 Correct 1 ms 1868 KB Output is correct
12 Correct 1 ms 1868 KB Output is correct
13 Correct 1 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 2 ms 1868 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 2 ms 1868 KB Output is correct
25 Correct 1 ms 1868 KB Output is correct
26 Correct 1 ms 1868 KB Output is correct
27 Correct 2 ms 1868 KB Output is correct
28 Correct 2 ms 1868 KB Output is correct
29 Correct 2 ms 1868 KB Output is correct
30 Correct 2 ms 1868 KB Output is correct
31 Correct 2 ms 1868 KB Output is correct
32 Correct 2 ms 1868 KB Output is correct
33 Correct 2 ms 1868 KB Output is correct
34 Correct 2 ms 1868 KB Output is correct
35 Correct 1 ms 1868 KB Output is correct
36 Correct 1 ms 1868 KB Output is correct
37 Correct 2 ms 1868 KB Output is correct
38 Correct 3 ms 1868 KB Output is correct
39 Correct 3 ms 1868 KB Output is correct
40 Correct 3 ms 1868 KB Output is correct
41 Correct 3 ms 1868 KB Output is correct
42 Correct 3 ms 1868 KB Output is correct
43 Correct 3 ms 1868 KB Output is correct
44 Correct 3 ms 1868 KB Output is correct
45 Correct 3 ms 1904 KB Output is correct
46 Correct 2 ms 2052 KB Output is correct
47 Correct 2 ms 1868 KB Output is correct
48 Correct 3 ms 1868 KB Output is correct
49 Correct 3 ms 1868 KB Output is correct
50 Correct 3 ms 1940 KB Output is correct
51 Correct 3 ms 1996 KB Output is correct

Subtask #4
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1868 KB Output is correct
2 Correct 1 ms 1868 KB Output is correct
3 Correct 2 ms 1868 KB Output is correct
4 Correct 2 ms 1992 KB Output is correct
5 Correct 1 ms 1868 KB Output is correct
6 Correct 1 ms 1868 KB Output is correct
7 Correct 1 ms 1868 KB Output is correct
8 Correct 1 ms 1868 KB Output is correct
9 Correct 2 ms 1868 KB Output is correct
10 Correct 2 ms 1868 KB Output is correct
11 Correct 1 ms 1868 KB Output is correct
12 Correct 1 ms 1868 KB Output is correct
13 Correct 1 ms 1868 KB Output is correct
14 Correct 2 ms 1868 KB Output is correct
15 Correct 2 ms 1868 KB Output is correct
16 Correct 2 ms 1868 KB Output is correct
17 Correct 2 ms 1868 KB Output is correct
18 Correct 2 ms 1868 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 1868 KB Output is correct
21 Correct 2 ms 1868 KB Output is correct
22 Correct 2 ms 1868 KB Output is correct
23 Correct 2 ms 1868 KB Output is correct
24 Correct 2 ms 1868 KB Output is correct
25 Correct 1 ms 1868 KB Output is correct
26 Correct 1 ms 1868 KB Output is correct
27 Correct 2 ms 1868 KB Output is correct
28 Correct 2 ms 1868 KB Output is correct
29 Correct 2 ms 1868 KB Output is correct
30 Correct 2 ms 1868 KB Output is correct
31 Correct 2 ms 1868 KB Output is correct
32 Correct 2 ms 1868 KB Output is correct
33 Correct 2 ms 1868 KB Output is correct
34 Correct 2 ms 1868 KB Output is correct
35 Correct 1 ms 1868 KB Output is correct
36 Correct 1 ms 1868 KB Output is correct
37 Correct 2 ms 1868 KB Output is correct
38 Correct 3 ms 1868 KB Output is correct
39 Correct 3 ms 1868 KB Output is correct
40 Correct 3 ms 1868 KB Output is correct
41 Correct 3 ms 1868 KB Output is correct
42 Correct 3 ms 1868 KB Output is correct
43 Correct 3 ms 1868 KB Output is correct
44 Correct 3 ms 1868 KB Output is correct
45 Correct 3 ms 1904 KB Output is correct
46 Correct 2 ms 2052 KB Output is correct
47 Correct 2 ms 1868 KB Output is correct
48 Correct 3 ms 1868 KB Output is correct
49 Correct 3 ms 1868 KB Output is correct
50 Correct 3 ms 1940 KB Output is correct
51 Correct 3 ms 1996 KB Output is correct
52 Correct 148 ms 8156 KB Output is correct
53 Correct 115 ms 14008 KB Output is correct
54 Correct 150 ms 13168 KB Output is correct
55 Correct 148 ms 13316 KB Output is correct
56 Correct 147 ms 13616 KB Output is correct
57 Correct 142 ms 13348 KB Output is correct
58 Correct 149 ms 13888 KB Output is correct
59 Correct 145 ms 13448 KB Output is correct
60 Correct 137 ms 13104 KB Output is correct
61 Correct 146 ms 13304 KB Output is correct
62 Correct 144 ms 13364 KB Output is correct
63 Correct 109 ms 20828 KB Output is correct
64 Correct 109 ms 14076 KB Output is correct
65 Correct 116 ms 14012 KB Output is correct
66 Correct 120 ms 13908 KB Output is correct
67 Correct 114 ms 14120 KB Output is correct
68 Correct 112 ms 14024 KB Output is correct
69 Correct 147 ms 13704 KB Output is correct
70 Correct 148 ms 13776 KB Output is correct
71 Correct 147 ms 13744 KB Output is correct
72 Correct 155 ms 13732 KB Output is correct
73 Correct 157 ms 13744 KB Output is correct
74 Correct 153 ms 13828 KB Output is correct
75 Correct 147 ms 13860 KB Output is correct
76 Correct 153 ms 13868 KB Output is correct
77 Correct 152 ms 13732 KB Output is correct
78 Correct 156 ms 13892 KB Output is correct
79 Correct 148 ms 13328 KB Output is correct
80 Correct 147 ms 13360 KB Output is correct