oj.uz

Submission #68778

# Submission time Handle Problem Language Result Execution time Memory
68778 2018-08-18T11:03:34 Z Inovak Wiring (IOI17_wiring) C++14
100 / 100
 107 ms 12500 KB 
//#include "grader.cpp"
#include "wiring.h"
#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define ll long long
#define OK puts("OK");
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 5e5+10;
const int nn = 2e5;
const ll inf = 1e16+7;

ll n, m, x, b;
ll dp[N], sum[N];
ll pr[N];
vector <pair <ll, ll> > all;

ll get(int l, int r) {
    return abs(sum[r] - sum[l - 1]);
}

long long min_total_length(vector<int> R, vector<int> B) {
    n = sz(R);
    m = sz(B);
    for(int i = 0; i < n; i++) {
        all.pb(mk(R[i], 1));
        dp[i+1] = inf;
    }
    for(int i = 0; i < m; i++) {
        all.pb(mk(B[i], 0));
        dp[i + n + 1] = inf;
    }
    //sort(all(R));
    //sort(all(B));

    if(R[n - 1] < B[0]) {
        ll ans = 0;
        for(int i = 0; i < n - 1; i++)
            ans += abs(R[n - 1] - R[i]);
        for(int i = 1; i < sz(B); i++)
            ans += abs(B[i] - B[0]);
        return ans + max(n, m) * (B[0] - R[n - 1]);
    }

    R.insert(R.begin(), -inf);
    R.insert(R.end(), inf);
    B.insert(B.begin(), -inf);
    B.insert(B.end(), inf);

    n += m;
    all.pb(mk(-inf, -1));
    sort(all(all));
    memset(pr, -1, sizeof(pr));
    pr[nn] = 0;

    for(int i = 1; i <= n; i++) {
        sum[i] = sum[i - 1] + (all[i].sc ? -all[i].fr : all[i].fr);
        b += (all[i].sc ? -1 : 1);
        int j = pr[b + nn];
        pr[b + nn] = i;

        ll nl, nr;
        if (all[i].sc) {
            nl = *(lower_bound(B.begin(), B.end(), all[i].first) - 1);
            nr = *lower_bound(B.begin(), B.end(), all[i].first);
        }
        else {
            nl = *(lower_bound(R.begin(), R.end(), all[i].first) - 1);
            nr = *lower_bound(R.begin(), R.end(), all[i].first);
        }
        dp[i] = dp[i - 1] + min(all[i].first - nl, nr - all[i].first);

        if(j == -1) continue;
        dp[i] = min(dp[i], dp[j] + get(j + 1, i));
    }
    return dp[n];
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:52:25: warning: overflow in implicit constant conversion [-Woverflow]
     R.insert(R.begin(), -inf);
                         ^~~~
wiring.cpp:53:26: warning: overflow in implicit constant conversion [-Woverflow]
     R.insert(R.end(), inf);
                          ^
wiring.cpp:54:25: warning: overflow in implicit constant conversion [-Woverflow]
     B.insert(B.begin(), -inf);
                         ^~~~
wiring.cpp:55:26: warning: overflow in implicit constant conversion [-Woverflow]
     B.insert(B.end(), inf);
                          ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4216 KB Output is correct
2 Correct 5 ms 4324 KB Output is correct
3 Correct 5 ms 4376 KB Output is correct
4 Correct 5 ms 4436 KB Output is correct
5 Correct 5 ms 4512 KB Output is correct
6 Correct 5 ms 4512 KB Output is correct
7 Correct 5 ms 4512 KB Output is correct
8 Correct 5 ms 4512 KB Output is correct
9 Correct 6 ms 4512 KB Output is correct
10 Correct 6 ms 4512 KB Output is correct
11 Correct 5 ms 4512 KB Output is correct
12 Correct 5 ms 4572 KB Output is correct
13 Correct 5 ms 4572 KB Output is correct
14 Correct 5 ms 4572 KB Output is correct
15 Correct 8 ms 4608 KB Output is correct
16 Correct 5 ms 4608 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4608 KB Output is correct
2 Correct 2 ms 4608 KB Output is correct
3 Correct 35 ms 7020 KB Output is correct
4 Correct 35 ms 7020 KB Output is correct
5 Correct 35 ms 7040 KB Output is correct
6 Correct 51 ms 7420 KB Output is correct
7 Correct 45 ms 7424 KB Output is correct
8 Correct 45 ms 7424 KB Output is correct
9 Correct 45 ms 7424 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7424 KB Output is correct
2 Correct 6 ms 7424 KB Output is correct
3 Correct 97 ms 12296 KB Output is correct
4 Correct 99 ms 12372 KB Output is correct
5 Correct 6 ms 12372 KB Output is correct
6 Correct 7 ms 12372 KB Output is correct
7 Correct 5 ms 12372 KB Output is correct
8 Correct 5 ms 12372 KB Output is correct
9 Correct 5 ms 12372 KB Output is correct
10 Correct 5 ms 12372 KB Output is correct
11 Correct 5 ms 12372 KB Output is correct
12 Correct 5 ms 12372 KB Output is correct
13 Correct 5 ms 12372 KB Output is correct
14 Correct 5 ms 12372 KB Output is correct
15 Correct 6 ms 12372 KB Output is correct
16 Correct 5 ms 12372 KB Output is correct
17 Correct 5 ms 12372 KB Output is correct
18 Correct 92 ms 12372 KB Output is correct
19 Correct 94 ms 12372 KB Output is correct
20 Correct 94 ms 12372 KB Output is correct
21 Correct 95 ms 12372 KB Output is correct
22 Correct 99 ms 12496 KB Output is correct
23 Correct 90 ms 12496 KB Output is correct
24 Correct 96 ms 12496 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 12496 KB Output is correct
2 Correct 68 ms 12496 KB Output is correct
3 Correct 79 ms 12496 KB Output is correct
4 Correct 82 ms 12496 KB Output is correct
5 Correct 81 ms 12496 KB Output is correct
6 Correct 5 ms 12496 KB Output is correct
7 Correct 5 ms 12496 KB Output is correct
8 Correct 8 ms 12496 KB Output is correct
9 Correct 6 ms 12496 KB Output is correct
10 Correct 5 ms 12496 KB Output is correct
11 Correct 5 ms 12496 KB Output is correct
12 Correct 5 ms 12496 KB Output is correct
13 Correct 6 ms 12496 KB Output is correct
14 Correct 5 ms 12496 KB Output is correct
15 Correct 5 ms 12496 KB Output is correct
16 Correct 5 ms 12496 KB Output is correct
17 Correct 6 ms 12496 KB Output is correct
18 Correct 88 ms 12496 KB Output is correct
19 Correct 83 ms 12496 KB Output is correct
20 Correct 70 ms 12496 KB Output is correct
21 Correct 89 ms 12496 KB Output is correct
22 Correct 81 ms 12496 KB Output is correct
23 Correct 74 ms 12496 KB Output is correct
24 Correct 68 ms 12496 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4216 KB Output is correct
2 Correct 5 ms 4324 KB Output is correct
3 Correct 5 ms 4376 KB Output is correct
4 Correct 5 ms 4436 KB Output is correct
5 Correct 5 ms 4512 KB Output is correct
6 Correct 5 ms 4512 KB Output is correct
7 Correct 5 ms 4512 KB Output is correct
8 Correct 5 ms 4512 KB Output is correct
9 Correct 6 ms 4512 KB Output is correct
10 Correct 6 ms 4512 KB Output is correct
11 Correct 5 ms 4512 KB Output is correct
12 Correct 5 ms 4572 KB Output is correct
13 Correct 5 ms 4572 KB Output is correct
14 Correct 5 ms 4572 KB Output is correct
15 Correct 8 ms 4608 KB Output is correct
16 Correct 5 ms 4608 KB Output is correct
17 Correct 2 ms 4608 KB Output is correct
18 Correct 2 ms 4608 KB Output is correct
19 Correct 35 ms 7020 KB Output is correct
20 Correct 35 ms 7020 KB Output is correct
21 Correct 35 ms 7040 KB Output is correct
22 Correct 51 ms 7420 KB Output is correct
23 Correct 45 ms 7424 KB Output is correct
24 Correct 45 ms 7424 KB Output is correct
25 Correct 45 ms 7424 KB Output is correct
26 Correct 2 ms 7424 KB Output is correct
27 Correct 6 ms 7424 KB Output is correct
28 Correct 97 ms 12296 KB Output is correct
29 Correct 99 ms 12372 KB Output is correct
30 Correct 6 ms 12372 KB Output is correct
31 Correct 7 ms 12372 KB Output is correct
32 Correct 5 ms 12372 KB Output is correct
33 Correct 5 ms 12372 KB Output is correct
34 Correct 5 ms 12372 KB Output is correct
35 Correct 5 ms 12372 KB Output is correct
36 Correct 5 ms 12372 KB Output is correct
37 Correct 5 ms 12372 KB Output is correct
38 Correct 5 ms 12372 KB Output is correct
39 Correct 5 ms 12372 KB Output is correct
40 Correct 6 ms 12372 KB Output is correct
41 Correct 5 ms 12372 KB Output is correct
42 Correct 5 ms 12372 KB Output is correct
43 Correct 92 ms 12372 KB Output is correct
44 Correct 94 ms 12372 KB Output is correct
45 Correct 94 ms 12372 KB Output is correct
46 Correct 95 ms 12372 KB Output is correct
47 Correct 99 ms 12496 KB Output is correct
48 Correct 90 ms 12496 KB Output is correct
49 Correct 96 ms 12496 KB Output is correct
50 Correct 5 ms 12496 KB Output is correct
51 Correct 68 ms 12496 KB Output is correct
52 Correct 79 ms 12496 KB Output is correct
53 Correct 82 ms 12496 KB Output is correct
54 Correct 81 ms 12496 KB Output is correct
55 Correct 5 ms 12496 KB Output is correct
56 Correct 5 ms 12496 KB Output is correct
57 Correct 8 ms 12496 KB Output is correct
58 Correct 6 ms 12496 KB Output is correct
59 Correct 5 ms 12496 KB Output is correct
60 Correct 5 ms 12496 KB Output is correct
61 Correct 5 ms 12496 KB Output is correct
62 Correct 6 ms 12496 KB Output is correct
63 Correct 5 ms 12496 KB Output is correct
64 Correct 5 ms 12496 KB Output is correct
65 Correct 5 ms 12496 KB Output is correct
66 Correct 6 ms 12496 KB Output is correct
67 Correct 88 ms 12496 KB Output is correct
68 Correct 83 ms 12496 KB Output is correct
69 Correct 70 ms 12496 KB Output is correct
70 Correct 89 ms 12496 KB Output is correct
71 Correct 81 ms 12496 KB Output is correct
72 Correct 74 ms 12496 KB Output is correct
73 Correct 68 ms 12496 KB Output is correct
74 Correct 96 ms 12496 KB Output is correct
75 Correct 83 ms 12496 KB Output is correct
76 Correct 103 ms 12496 KB Output is correct
77 Correct 100 ms 12496 KB Output is correct
78 Correct 72 ms 12496 KB Output is correct
79 Correct 67 ms 12496 KB Output is correct
80 Correct 82 ms 12496 KB Output is correct
81 Correct 79 ms 12496 KB Output is correct
82 Correct 85 ms 12496 KB Output is correct
83 Correct 99 ms 12496 KB Output is correct
84 Correct 86 ms 12496 KB Output is correct
85 Correct 90 ms 12496 KB Output is correct
86 Correct 101 ms 12496 KB Output is correct
87 Correct 77 ms 12496 KB Output is correct
88 Correct 89 ms 12496 KB Output is correct
89 Correct 104 ms 12496 KB Output is correct
90 Correct 86 ms 12496 KB Output is correct
91 Correct 77 ms 12496 KB Output is correct
92 Correct 87 ms 12496 KB Output is correct
93 Correct 93 ms 12496 KB Output is correct
94 Correct 85 ms 12500 KB Output is correct
95 Correct 99 ms 12500 KB Output is correct
96 Correct 107 ms 12500 KB Output is correct
97 Correct 76 ms 12500 KB Output is correct
98 Correct 86 ms 12500 KB Output is correct
99 Correct 77 ms 12500 KB Output is correct
100 Correct 88 ms 12500 KB Output is correct
101 Correct 87 ms 12500 KB Output is correct
102 Correct 87 ms 12500 KB Output is correct