oj.uz

답안 #319512

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
319512 2020-11-05T13:05:01 Z lohacho 전선 연결 (IOI17_wiring) C++14
100 / 100
 101 ms 18028 KB 
#include "wiring.h"
#include <bits/stdc++.h>

using namespace std;

using LL = long long;
const LL NS = (LL)2e5 + 4;
LL N, M;
map<LL, LL> last;
vector<pair<LL, LL>> tow;
LL near[NS], dp[NS], pref[NS];

long long min_total_length(vector<int> r, vector<int> b) {
    N = (LL)r.size(), M = (LL)b.size();
    LL A = 0, B = 0;
    while(A < (LL)r.size() && B < (LL)b.size()){
        if(r[A] < b[B]){
            tow.push_back({r[A], 0});
            ++A;
        }
        else{
            tow.push_back({b[B], 1});
            ++B;
        }
    }
    while(A < (LL)r.size()){
        tow.push_back({r[A], 0});
        ++A;
    }
    while(B < (LL)b.size()){
        tow.push_back({b[B], 1});
        ++B;
    }
    LL lpos[2] = {-(LL)1e9, -(LL)1e9};
    for(LL i = 0; i < (LL)tow.size(); ++i){
        near[i] = tow[i].first - lpos[1 - tow[i].second];
        lpos[tow[i].second] = tow[i].first;
    }
    lpos[0] = lpos[1] = (LL)2e9;
    for(LL i = (LL)tow.size() - 1; i >= 0; --i){
        near[i] = min(near[i], lpos[1 - tow[i].second] - tow[i].first);
        lpos[tow[i].second] = tow[i].first;
    }
    for(LL i = 0; i < (LL)tow.size(); ++i){
        if(tow[i].second == 0){
            tow[i].second = -1;
        }
        pref[i] = tow[i].first * tow[i].second;
        if(i){
            pref[i] += pref[i - 1];
        }
    }
    dp[0] = near[0];
    last[tow[0].second] = 1;
    LL zero = 0;
    for(LL i = 1; i < (LL)tow.size(); ++i){
        dp[i] = dp[i - 1] + near[i];
        last[zero] = i + 1;
        zero -= tow[i].second;
        LL j = last[zero] - 1;
        if(j >= 0){
            if(j){
                dp[i] = min(dp[i], dp[j - 1] + abs(pref[i] - pref[j - 1]));
            }
            else{
                dp[i] = min(dp[i], abs(pref[i]));
            }
        }
    }
    return dp[(LL)tow.size() - 1];
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 78 ms 15176 KB Output is correct
4 Correct 79 ms 15052 KB Output is correct
5 Correct 77 ms 15180 KB Output is correct
6 Correct 97 ms 17996 KB Output is correct
7 Correct 98 ms 18016 KB Output is correct
8 Correct 97 ms 17868 KB Output is correct
9 Correct 98 ms 18028 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 50 ms 11856 KB Output is correct
4 Correct 50 ms 11472 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 51 ms 11856 KB Output is correct
19 Correct 51 ms 11728 KB Output is correct
20 Correct 44 ms 11860 KB Output is correct
21 Correct 50 ms 11728 KB Output is correct
22 Correct 48 ms 11856 KB Output is correct
23 Correct 49 ms 11856 KB Output is correct
24 Correct 50 ms 11852 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 75 ms 13004 KB Output is correct
3 Correct 47 ms 11216 KB Output is correct
4 Correct 63 ms 11600 KB Output is correct
5 Correct 48 ms 11088 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 79 ms 13516 KB Output is correct
19 Correct 49 ms 11088 KB Output is correct
20 Correct 61 ms 11572 KB Output is correct
21 Correct 73 ms 12496 KB Output is correct
22 Correct 86 ms 16076 KB Output is correct
23 Correct 96 ms 16604 KB Output is correct
24 Correct 85 ms 15564 KB Output is correct

Subtask #5
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 78 ms 15176 KB Output is correct
20 Correct 79 ms 15052 KB Output is correct
21 Correct 77 ms 15180 KB Output is correct
22 Correct 97 ms 17996 KB Output is correct
23 Correct 98 ms 18016 KB Output is correct
24 Correct 97 ms 17868 KB Output is correct
25 Correct 98 ms 18028 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 50 ms 11856 KB Output is correct
29 Correct 50 ms 11472 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 51 ms 11856 KB Output is correct
44 Correct 51 ms 11728 KB Output is correct
45 Correct 44 ms 11860 KB Output is correct
46 Correct 50 ms 11728 KB Output is correct
47 Correct 48 ms 11856 KB Output is correct
48 Correct 49 ms 11856 KB Output is correct
49 Correct 50 ms 11852 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 75 ms 13004 KB Output is correct
52 Correct 47 ms 11216 KB Output is correct
53 Correct 63 ms 11600 KB Output is correct
54 Correct 48 ms 11088 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 1 ms 364 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 79 ms 13516 KB Output is correct
68 Correct 49 ms 11088 KB Output is correct
69 Correct 61 ms 11572 KB Output is correct
70 Correct 73 ms 12496 KB Output is correct
71 Correct 86 ms 16076 KB Output is correct
72 Correct 96 ms 16604 KB Output is correct
73 Correct 85 ms 15564 KB Output is correct
74 Correct 95 ms 17100 KB Output is correct
75 Correct 90 ms 16080 KB Output is correct
76 Correct 92 ms 16076 KB Output is correct
77 Correct 84 ms 15052 KB Output is correct
78 Correct 88 ms 15564 KB Output is correct
79 Correct 89 ms 15376 KB Output is correct
80 Correct 90 ms 16076 KB Output is correct
81 Correct 97 ms 16716 KB Output is correct
82 Correct 91 ms 16976 KB Output is correct
83 Correct 90 ms 16588 KB Output is correct
84 Correct 101 ms 17612 KB Output is correct
85 Correct 92 ms 16460 KB Output is correct
86 Correct 96 ms 16204 KB Output is correct
87 Correct 93 ms 16204 KB Output is correct
88 Correct 90 ms 15692 KB Output is correct
89 Correct 87 ms 15564 KB Output is correct
90 Correct 89 ms 15452 KB Output is correct
91 Correct 98 ms 17104 KB Output is correct
92 Correct 91 ms 16208 KB Output is correct
93 Correct 90 ms 16208 KB Output is correct
94 Correct 90 ms 16588 KB Output is correct
95 Correct 88 ms 15184 KB Output is correct
96 Correct 94 ms 16716 KB Output is correct
97 Correct 97 ms 17740 KB Output is correct
98 Correct 101 ms 17172 KB Output is correct
99 Correct 94 ms 17356 KB Output is correct
100 Correct 89 ms 16024 KB Output is correct
101 Correct 93 ms 16972 KB Output is correct
102 Correct 93 ms 16208 KB Output is correct