oj.uz

답안 #592882

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
592882 2022-07-09T17:33:58 Z yanndev 전선 연결 (IOI17_wiring) C++17
100 / 100
 49 ms 8640 KB 
#include "wiring.h"
#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x),end(x)
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#define debug(a) cerr << "(" << #a << ": " << a << ")\n";
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int mxN = 1e5+1;
const ll oo = 1e18;
 
long long min_total_length(std::vector<int> r, std::vector<int> b) {
	struct pt {
		int x;
		bool col;
      	bool operator<(const pt& other) const {
          return x < other.x;
        }
	};
 
	vector<pt> pts;
	while(!r.empty() or !b.empty()) {
		if(!r.empty()) {
			pts.push_back({r.back(),1});
			r.pop_back();
		} else {
			pts.push_back({b.back(),0});
			b.pop_back();
		}
	}
	sort(all(pts));
	int n = pts.size();
 
	pts.insert(pts.begin(),{0,0});
	vector<ll> pref(n+2);
	for(int i=0;i<=n;++i) {
		pref[i+1]=pref[i]+pts[i].x;
	}
	vector<ll> dp(n+1,oo);
	dp[0]=0;
 
	auto cost = [&](int a, int b, int c) {
		int bal = (b-a)-(c-b);
		ll tmp=0;
		if(bal>0) tmp = (ll)pts[b].x*bal;
		else tmp = (ll)pts[b-1].x*bal;
		return tmp + min(dp[a],dp[a-1]) + pref[c] - pref[b] - (pref[b]-pref[a]);
	};
	int last=-1;
	for(int i=1;i<=n;) {
		int j=i;
		while(j<=n and pts[i].col==pts[j].col) 
			++j;
		if(last!=-1) {
			for(int k=j;k>i;--k) {
				while(last<i-1 and cost(last+1,i,k)<cost(last,i,k)) {
					++last;
				}
				// for(int o=last;o<i;++o) dp[k-1] =min(dp[k-1],cost(o,i,k));
				dp[k-1] =min(dp[k-1],cost(last,i,k));
			}
			
		}
		last = i;
		i=j;
	}
	return dp[n];
 
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 0 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 324 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 29 ms 5060 KB Output is correct
4 Correct 29 ms 5120 KB Output is correct
5 Correct 33 ms 5096 KB Output is correct
6 Correct 44 ms 6628 KB Output is correct
7 Correct 40 ms 6644 KB Output is correct
8 Correct 45 ms 6572 KB Output is correct
9 Correct 47 ms 6636 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 43 ms 6584 KB Output is correct
4 Correct 42 ms 8164 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 296 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 40 ms 8608 KB Output is correct
19 Correct 44 ms 8608 KB Output is correct
20 Correct 46 ms 8612 KB Output is correct
21 Correct 43 ms 8616 KB Output is correct
22 Correct 49 ms 8548 KB Output is correct
23 Correct 46 ms 8608 KB Output is correct
24 Correct 47 ms 8612 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 31 ms 6644 KB Output is correct
3 Correct 33 ms 6640 KB Output is correct
4 Correct 30 ms 6596 KB Output is correct
5 Correct 39 ms 6568 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 292 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 29 ms 7952 KB Output is correct
19 Correct 31 ms 7868 KB Output is correct
20 Correct 31 ms 7844 KB Output is correct
21 Correct 33 ms 7892 KB Output is correct
22 Correct 36 ms 7840 KB Output is correct
23 Correct 36 ms 7940 KB Output is correct
24 Correct 34 ms 7840 KB Output is correct

Subtask #5
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 0 ms 300 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 304 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 324 KB Output is correct
19 Correct 29 ms 5060 KB Output is correct
20 Correct 29 ms 5120 KB Output is correct
21 Correct 33 ms 5096 KB Output is correct
22 Correct 44 ms 6628 KB Output is correct
23 Correct 40 ms 6644 KB Output is correct
24 Correct 45 ms 6572 KB Output is correct
25 Correct 47 ms 6636 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 43 ms 6584 KB Output is correct
29 Correct 42 ms 8164 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 304 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 296 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 296 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 40 ms 8608 KB Output is correct
44 Correct 44 ms 8608 KB Output is correct
45 Correct 46 ms 8612 KB Output is correct
46 Correct 43 ms 8616 KB Output is correct
47 Correct 49 ms 8548 KB Output is correct
48 Correct 46 ms 8608 KB Output is correct
49 Correct 47 ms 8612 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 31 ms 6644 KB Output is correct
52 Correct 33 ms 6640 KB Output is correct
53 Correct 30 ms 6596 KB Output is correct
54 Correct 39 ms 6568 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 1 ms 304 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 296 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 1 ms 292 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 29 ms 7952 KB Output is correct
68 Correct 31 ms 7868 KB Output is correct
69 Correct 31 ms 7844 KB Output is correct
70 Correct 33 ms 7892 KB Output is correct
71 Correct 36 ms 7840 KB Output is correct
72 Correct 36 ms 7940 KB Output is correct
73 Correct 34 ms 7840 KB Output is correct
74 Correct 38 ms 8612 KB Output is correct
75 Correct 37 ms 8252 KB Output is correct
76 Correct 38 ms 8612 KB Output is correct
77 Correct 31 ms 8096 KB Output is correct
78 Correct 46 ms 7964 KB Output is correct
79 Correct 45 ms 7968 KB Output is correct
80 Correct 35 ms 7992 KB Output is correct
81 Correct 36 ms 8068 KB Output is correct
82 Correct 32 ms 8088 KB Output is correct
83 Correct 39 ms 8156 KB Output is correct
84 Correct 42 ms 8608 KB Output is correct
85 Correct 46 ms 8508 KB Output is correct
86 Correct 38 ms 8600 KB Output is correct
87 Correct 34 ms 8576 KB Output is correct
88 Correct 36 ms 8608 KB Output is correct
89 Correct 40 ms 8572 KB Output is correct
90 Correct 34 ms 8500 KB Output is correct
91 Correct 36 ms 8576 KB Output is correct
92 Correct 35 ms 8600 KB Output is correct
93 Correct 44 ms 8592 KB Output is correct
94 Correct 36 ms 8576 KB Output is correct
95 Correct 37 ms 8512 KB Output is correct
96 Correct 39 ms 8600 KB Output is correct
97 Correct 40 ms 8612 KB Output is correct
98 Correct 34 ms 8608 KB Output is correct
99 Correct 47 ms 8516 KB Output is correct
100 Correct 47 ms 8640 KB Output is correct
101 Correct 37 ms 8568 KB Output is correct
102 Correct 37 ms 8596 KB Output is correct