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Submission #291185

# Submission time Handle Problem Language Result Execution time Memory
291185 2020-09-04T20:33:36 Z shayan_p Wiring (IOI17_wiring) C++17
100 / 100
 75 ms 11240 KB 
#include<bits/stdc++.h>
#include "wiring.h"

#define F first
#define S second
#define PB push_back
#define sz(s) (int(s.size()))
#define bit(n, k) (((n)>>(k))&1)

using namespace std;

typedef pair<int, int> pii;
typedef long long ll;

const int maxn = 2e5 + 10, inf = 1e9 + 10, mod = 1e9 + 7;

ll dl[maxn];
ll dp[maxn];
int blk[maxn];
ll sm[maxn];

ll min_total_length(vector<int> A, vector<int> B){
    vector<pii> vec;
    for(int x : A)
	vec.PB({x, 0});
    for(int x : B)
	vec.PB({x, 1});
    sort(vec.begin(), vec.end());
    int n = sz(vec);
    for(int i = 0; i < n; i++){
	if(vec[i].S){
	    int id = lower_bound(A.begin(), A.end(), vec[i].F) - A.begin();
	    dl[i] = min( id == sz(A) ? inf : (A[id] - vec[i].F), id == 0 ? inf : (vec[i].F - A[id-1]) );
	}
	else{
	    int id = lower_bound(B.begin(), B.end(), vec[i].F) - B.begin();
	    dl[i] = min( id == sz(B) ? inf : (B[id] - vec[i].F), id == 0 ? inf : (vec[i].F - B[id-1]) );
	}
    }
    for(int i = 0; i < n; i++){
	sm[i+1] = sm[i] + vec[i].F;
    }
    
    blk[0] = 1;
    for(int i = 1; i < n; i++){
	if(vec[i].S == vec[i-1].S)
	    blk[i] = blk[i-1] + 1;
	else
	    blk[i] = 1;
    }
    auto Sum = [](int pos, int cnt){ // 1 base
		   return sm[pos] - sm[pos - cnt];
	       };
    for(int i = 0; i < n; i++){
	dp[i+1] = dp[i] + dl[i];
	int cnt = blk[i];
	if(cnt + cnt <= i+1 && blk[i-cnt] >= cnt){
	    dp[i+1] = min(dp[i+1], dp[i+1-cnt-cnt] + Sum(i+1, cnt) - Sum(i+1-cnt, cnt));
	}
    }
    return dp[n];
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 41 ms 8424 KB Output is correct
4 Correct 44 ms 8424 KB Output is correct
5 Correct 45 ms 8552 KB Output is correct
6 Correct 55 ms 10984 KB Output is correct
7 Correct 55 ms 10984 KB Output is correct
8 Correct 54 ms 10988 KB Output is correct
9 Correct 60 ms 10988 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 73 ms 10988 KB Output is correct
4 Correct 70 ms 10596 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 72 ms 11116 KB Output is correct
19 Correct 72 ms 11240 KB Output is correct
20 Correct 75 ms 10984 KB Output is correct
21 Correct 73 ms 10984 KB Output is correct
22 Correct 73 ms 10984 KB Output is correct
23 Correct 72 ms 10984 KB Output is correct
24 Correct 73 ms 10988 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 55 ms 10344 KB Output is correct
3 Correct 61 ms 10344 KB Output is correct
4 Correct 59 ms 10340 KB Output is correct
5 Correct 63 ms 10344 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 58 ms 10344 KB Output is correct
19 Correct 57 ms 10344 KB Output is correct
20 Correct 55 ms 10344 KB Output is correct
21 Correct 53 ms 10344 KB Output is correct
22 Correct 56 ms 10344 KB Output is correct
23 Correct 52 ms 10344 KB Output is correct
24 Correct 50 ms 10344 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 41 ms 8424 KB Output is correct
20 Correct 44 ms 8424 KB Output is correct
21 Correct 45 ms 8552 KB Output is correct
22 Correct 55 ms 10984 KB Output is correct
23 Correct 55 ms 10984 KB Output is correct
24 Correct 54 ms 10988 KB Output is correct
25 Correct 60 ms 10988 KB Output is correct
26 Correct 1 ms 288 KB Output is correct
27 Correct 1 ms 288 KB Output is correct
28 Correct 73 ms 10988 KB Output is correct
29 Correct 70 ms 10596 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 384 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 1 ms 384 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 72 ms 11116 KB Output is correct
44 Correct 72 ms 11240 KB Output is correct
45 Correct 75 ms 10984 KB Output is correct
46 Correct 73 ms 10984 KB Output is correct
47 Correct 73 ms 10984 KB Output is correct
48 Correct 72 ms 10984 KB Output is correct
49 Correct 73 ms 10988 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 55 ms 10344 KB Output is correct
52 Correct 61 ms 10344 KB Output is correct
53 Correct 59 ms 10340 KB Output is correct
54 Correct 63 ms 10344 KB Output is correct
55 Correct 0 ms 384 KB Output is correct
56 Correct 1 ms 384 KB Output is correct
57 Correct 0 ms 384 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 0 ms 384 KB Output is correct
62 Correct 0 ms 384 KB Output is correct
63 Correct 1 ms 384 KB Output is correct
64 Correct 1 ms 384 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 0 ms 384 KB Output is correct
67 Correct 58 ms 10344 KB Output is correct
68 Correct 57 ms 10344 KB Output is correct
69 Correct 55 ms 10344 KB Output is correct
70 Correct 53 ms 10344 KB Output is correct
71 Correct 56 ms 10344 KB Output is correct
72 Correct 52 ms 10344 KB Output is correct
73 Correct 50 ms 10344 KB Output is correct
74 Correct 55 ms 10984 KB Output is correct
75 Correct 60 ms 10600 KB Output is correct
76 Correct 62 ms 10984 KB Output is correct
77 Correct 57 ms 10472 KB Output is correct
78 Correct 54 ms 10344 KB Output is correct
79 Correct 56 ms 10344 KB Output is correct
80 Correct 51 ms 10344 KB Output is correct
81 Correct 56 ms 10472 KB Output is correct
82 Correct 50 ms 10476 KB Output is correct
83 Correct 51 ms 10612 KB Output is correct
84 Correct 55 ms 10984 KB Output is correct
85 Correct 62 ms 10984 KB Output is correct
86 Correct 58 ms 10984 KB Output is correct
87 Correct 58 ms 10984 KB Output is correct
88 Correct 60 ms 10984 KB Output is correct
89 Correct 58 ms 10984 KB Output is correct
90 Correct 64 ms 10984 KB Output is correct
91 Correct 59 ms 10984 KB Output is correct
92 Correct 59 ms 10984 KB Output is correct
93 Correct 57 ms 10996 KB Output is correct
94 Correct 60 ms 10984 KB Output is correct
95 Correct 62 ms 10984 KB Output is correct
96 Correct 57 ms 10936 KB Output is correct
97 Correct 58 ms 10984 KB Output is correct
98 Correct 58 ms 10960 KB Output is correct
99 Correct 59 ms 10984 KB Output is correct
100 Correct 62 ms 10984 KB Output is correct
101 Correct 59 ms 11112 KB Output is correct
102 Correct 64 ms 10984 KB Output is correct