oj.uz

Submission #56258

# Submission time Handle Problem Language Result Execution time Memory
56258 2018-07-10T17:47:45 Z ngkan146 Wiring (IOI17_wiring) C++11
100 / 100
 83 ms 13580 KB 
#include "wiring.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
typedef pair<int,int> ii;
ll dp[200005], prefixSum[200005], rem[200005];
ll min_total_length(vector<int> r, vector<int> b) {
    vector <ii> lst;
    int piR = 0, piB = 0;
    while(piR < r.size() || piB < b.size()){
        if (piR == r.size())
            lst.push_back(ii(b[piB++], 2));
        else if (piB == b.size())
            lst.push_back(ii(r[piR++], 1));
        else{
            if (r[piR] < b[piB])
                lst.push_back(ii(r[piR++], 1));
            else
                lst.push_back(ii(b[piB++], 2));
        }
    }
    piR = 0, piB = 0;
    int slope = 0, lrange = 0, rrange = 0;
    r.push_back((int)2e9+5);
    b.push_back((int)2e9+5);
    for(int i=0;i<lst.size();i++){
        dp[i+1] = (ll) 1e18;

        prefixSum[i+1] = prefixSum[i] + (lst[i].second == 1 ? 1 : -1) * lst[i].first;
        slope += (lst[i].second == 1 ? 1 : -1);

        while(r[piR+1] <= lst[i].first)  piR++;
        while(b[piB+1] <= lst[i].first)  piB++;

        if (lst[i].second == 1)
            dp[i+1] = dp[i] + min(abs(lst[i].first - b[piB]),  abs(lst[i].first - b[piB+1]));
        else
            dp[i+1] = dp[i] + min(abs(lst[i].first - r[piR]),  abs(lst[i].first - r[piR+1]));

        if (lrange <= slope && slope <= rrange)
            dp[i+1] = min(dp[i+1], dp[rem[slope+100000]] + abs(prefixSum[i+1] - prefixSum[rem[slope+100000]]));

        lrange = min(lrange, slope);
        rrange = max(rrange, slope);
        rem[slope+100000] = i+1;
    }
	return dp[lst.size()];
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(piR < r.size() || piB < b.size()){
           ~~~~^~~~~~~~~~
wiring.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(piR < r.size() || piB < b.size()){
                             ~~~~^~~~~~~~~~
wiring.cpp:11:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (piR == r.size())
             ~~~~^~~~~~~~~~~
wiring.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         else if (piB == b.size())
                  ~~~~^~~~~~~~~~~
wiring.cpp:26:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<lst.size();i++){
                 ~^~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 2 ms 584 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 3 ms 680 KB Output is correct
8 Correct 2 ms 684 KB Output is correct
9 Correct 2 ms 688 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 3 ms 824 KB Output is correct
12 Correct 3 ms 824 KB Output is correct
13 Correct 2 ms 824 KB Output is correct
14 Correct 4 ms 824 KB Output is correct
15 Correct 3 ms 824 KB Output is correct
16 Correct 3 ms 824 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 824 KB Output is correct
2 Correct 2 ms 824 KB Output is correct
3 Correct 40 ms 6276 KB Output is correct
4 Correct 38 ms 6276 KB Output is correct
5 Correct 40 ms 6276 KB Output is correct
6 Correct 50 ms 7744 KB Output is correct
7 Correct 83 ms 7748 KB Output is correct
8 Correct 57 ms 7748 KB Output is correct
9 Correct 49 ms 7752 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7752 KB Output is correct
2 Correct 2 ms 7752 KB Output is correct
3 Correct 63 ms 8896 KB Output is correct
4 Correct 43 ms 8924 KB Output is correct
5 Correct 3 ms 8924 KB Output is correct
6 Correct 3 ms 8924 KB Output is correct
7 Correct 2 ms 8924 KB Output is correct
8 Correct 3 ms 8924 KB Output is correct
9 Correct 2 ms 8924 KB Output is correct
10 Correct 4 ms 8924 KB Output is correct
11 Correct 2 ms 8924 KB Output is correct
12 Correct 2 ms 8924 KB Output is correct
13 Correct 2 ms 8924 KB Output is correct
14 Correct 2 ms 8924 KB Output is correct
15 Correct 2 ms 8924 KB Output is correct
16 Correct 2 ms 8924 KB Output is correct
17 Correct 2 ms 8924 KB Output is correct
18 Correct 65 ms 8932 KB Output is correct
19 Correct 62 ms 9012 KB Output is correct
20 Correct 52 ms 9016 KB Output is correct
21 Correct 52 ms 9016 KB Output is correct
22 Correct 53 ms 9016 KB Output is correct
23 Correct 49 ms 9016 KB Output is correct
24 Correct 67 ms 9016 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 9016 KB Output is correct
2 Correct 72 ms 9144 KB Output is correct
3 Correct 43 ms 10212 KB Output is correct
4 Correct 46 ms 11488 KB Output is correct
5 Correct 42 ms 12752 KB Output is correct
6 Correct 2 ms 12752 KB Output is correct
7 Correct 2 ms 12752 KB Output is correct
8 Correct 2 ms 12752 KB Output is correct
9 Correct 3 ms 12752 KB Output is correct
10 Correct 2 ms 12752 KB Output is correct
11 Correct 3 ms 12752 KB Output is correct
12 Correct 3 ms 12752 KB Output is correct
13 Correct 2 ms 12752 KB Output is correct
14 Correct 2 ms 12752 KB Output is correct
15 Correct 3 ms 12752 KB Output is correct
16 Correct 2 ms 12752 KB Output is correct
17 Correct 3 ms 12752 KB Output is correct
18 Correct 37 ms 13060 KB Output is correct
19 Correct 36 ms 13060 KB Output is correct
20 Correct 35 ms 13060 KB Output is correct
21 Correct 37 ms 13060 KB Output is correct
22 Correct 44 ms 13448 KB Output is correct
23 Correct 75 ms 13528 KB Output is correct
24 Correct 48 ms 13528 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 492 KB Output is correct
5 Correct 2 ms 584 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 3 ms 680 KB Output is correct
8 Correct 2 ms 684 KB Output is correct
9 Correct 2 ms 688 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 3 ms 824 KB Output is correct
12 Correct 3 ms 824 KB Output is correct
13 Correct 2 ms 824 KB Output is correct
14 Correct 4 ms 824 KB Output is correct
15 Correct 3 ms 824 KB Output is correct
16 Correct 3 ms 824 KB Output is correct
17 Correct 2 ms 824 KB Output is correct
18 Correct 2 ms 824 KB Output is correct
19 Correct 40 ms 6276 KB Output is correct
20 Correct 38 ms 6276 KB Output is correct
21 Correct 40 ms 6276 KB Output is correct
22 Correct 50 ms 7744 KB Output is correct
23 Correct 83 ms 7748 KB Output is correct
24 Correct 57 ms 7748 KB Output is correct
25 Correct 49 ms 7752 KB Output is correct
26 Correct 3 ms 7752 KB Output is correct
27 Correct 2 ms 7752 KB Output is correct
28 Correct 63 ms 8896 KB Output is correct
29 Correct 43 ms 8924 KB Output is correct
30 Correct 3 ms 8924 KB Output is correct
31 Correct 3 ms 8924 KB Output is correct
32 Correct 2 ms 8924 KB Output is correct
33 Correct 3 ms 8924 KB Output is correct
34 Correct 2 ms 8924 KB Output is correct
35 Correct 4 ms 8924 KB Output is correct
36 Correct 2 ms 8924 KB Output is correct
37 Correct 2 ms 8924 KB Output is correct
38 Correct 2 ms 8924 KB Output is correct
39 Correct 2 ms 8924 KB Output is correct
40 Correct 2 ms 8924 KB Output is correct
41 Correct 2 ms 8924 KB Output is correct
42 Correct 2 ms 8924 KB Output is correct
43 Correct 65 ms 8932 KB Output is correct
44 Correct 62 ms 9012 KB Output is correct
45 Correct 52 ms 9016 KB Output is correct
46 Correct 52 ms 9016 KB Output is correct
47 Correct 53 ms 9016 KB Output is correct
48 Correct 49 ms 9016 KB Output is correct
49 Correct 67 ms 9016 KB Output is correct
50 Correct 3 ms 9016 KB Output is correct
51 Correct 72 ms 9144 KB Output is correct
52 Correct 43 ms 10212 KB Output is correct
53 Correct 46 ms 11488 KB Output is correct
54 Correct 42 ms 12752 KB Output is correct
55 Correct 2 ms 12752 KB Output is correct
56 Correct 2 ms 12752 KB Output is correct
57 Correct 2 ms 12752 KB Output is correct
58 Correct 3 ms 12752 KB Output is correct
59 Correct 2 ms 12752 KB Output is correct
60 Correct 3 ms 12752 KB Output is correct
61 Correct 3 ms 12752 KB Output is correct
62 Correct 2 ms 12752 KB Output is correct
63 Correct 2 ms 12752 KB Output is correct
64 Correct 3 ms 12752 KB Output is correct
65 Correct 2 ms 12752 KB Output is correct
66 Correct 3 ms 12752 KB Output is correct
67 Correct 37 ms 13060 KB Output is correct
68 Correct 36 ms 13060 KB Output is correct
69 Correct 35 ms 13060 KB Output is correct
70 Correct 37 ms 13060 KB Output is correct
71 Correct 44 ms 13448 KB Output is correct
72 Correct 75 ms 13528 KB Output is correct
73 Correct 48 ms 13528 KB Output is correct
74 Correct 44 ms 13528 KB Output is correct
75 Correct 53 ms 13528 KB Output is correct
76 Correct 73 ms 13528 KB Output is correct
77 Correct 72 ms 13528 KB Output is correct
78 Correct 45 ms 13528 KB Output is correct
79 Correct 60 ms 13528 KB Output is correct
80 Correct 44 ms 13528 KB Output is correct
81 Correct 44 ms 13572 KB Output is correct
82 Correct 49 ms 13572 KB Output is correct
83 Correct 57 ms 13572 KB Output is correct
84 Correct 52 ms 13572 KB Output is correct
85 Correct 48 ms 13572 KB Output is correct
86 Correct 45 ms 13572 KB Output is correct
87 Correct 44 ms 13572 KB Output is correct
88 Correct 55 ms 13572 KB Output is correct
89 Correct 54 ms 13572 KB Output is correct
90 Correct 44 ms 13572 KB Output is correct
91 Correct 74 ms 13572 KB Output is correct
92 Correct 44 ms 13572 KB Output is correct
93 Correct 48 ms 13572 KB Output is correct
94 Correct 52 ms 13576 KB Output is correct
95 Correct 56 ms 13576 KB Output is correct
96 Correct 53 ms 13576 KB Output is correct
97 Correct 54 ms 13580 KB Output is correct
98 Correct 48 ms 13580 KB Output is correct
99 Correct 44 ms 13580 KB Output is correct
100 Correct 54 ms 13580 KB Output is correct
101 Correct 56 ms 13580 KB Output is correct
102 Correct 54 ms 13580 KB Output is correct