oj.uz

Submission #654551

# Submission time Handle Problem Language Result Execution time Memory
654551 2022-10-31T16:41:28 Z Ronin13 Wiring (IOI17_wiring) C++14
100 / 100
 48 ms 13244 KB 
#include "wiring.h"
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
using namespace std;

const ll linf = 1e18  + 1;

long long min_total_length(std::vector<int> r, std::vector<int> b) {
    vector <pll> a;
    a.pb({-1, 0});
    for(int to : r){
        a.pb({to, 1});
    }
    for(int to : b){
        a.pb({to, 2});
    }
    sort(a.begin(), a.end());
    vector <ll> dp(a.size(), linf), suf(a.size()), pref(a.size(), linf);
    vector <ll> st(a.size());
    dp[0] = 0;
    for(int i = 1; i < a.size(); i++){
        int j = i - 1;
        while(j + 1 < a.size() && a[j + 1].s == a[i].s) j++, st[j] = i;
        ll d = a[i].f - a[i - 1].f;
        if(i > 1){
            ll s = 0;
            for(int k = i; k <= j; k++){
                s += a[k].f - a[i].f;
                //cout << s << ' ';
                ll l = k - i + 1;
                int x = max(st[i - 1], (ll)i - l);
                dp[k] = suf[x] + s + d * l;
               // cout << dp[k] << ' ';
                if(i - l >= st[i - 1])
                    dp[k] = min(dp[k], pref[x] + s);
            }
        }
        if(j == a.size() - 1) {

            return dp[j];
        }
        ll s = 0;
        d = a[j + 1].f - a[j].f;
        for(int k = j; k >= i; k--){
            s += a[j].f - a[k].f;
            if(k != j)
            suf[k] = min(min(dp[k - 1], dp[k]) + s, suf[k + 1]);
            else suf[k] = min(dp[k - 1] + s, dp[k] + s);
            ll x = j - k + 1;
            pref[k] = min(dp[k - 1], dp[k]) + s + x * d;
        }
        for(int k = i + 1; k <= j; k++){
            pref[k] = min(pref[k], pref[k - 1]);
        }
        i = j;
    }
	return 0;
}

Compilation message

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i = 1; i < a.size(); i++){
      |                    ~~^~~~~~~~~~
wiring.cpp:30:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         while(j + 1 < a.size() && a[j + 1].s == a[i].s) j++, st[j] = i;
      |               ~~~~~~^~~~~~~~~~
wiring.cpp:45:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         if(j == a.size() - 1) {
      |            ~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 296 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

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 23 ms 8528 KB Output is correct
4 Correct 25 ms 8436 KB Output is correct
5 Correct 24 ms 8456 KB Output is correct
6 Correct 33 ms 11268 KB Output is correct
7 Correct 32 ms 11176 KB Output is correct
8 Correct 34 ms 11172 KB Output is correct
9 Correct 36 ms 11176 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 48 ms 11172 KB Output is correct
4 Correct 47 ms 12740 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 212 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 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 340 KB Output is correct
18 Correct 45 ms 13088 KB Output is correct
19 Correct 43 ms 13116 KB Output is correct
20 Correct 47 ms 13092 KB Output is correct
21 Correct 46 ms 13068 KB Output is correct
22 Correct 47 ms 13084 KB Output is correct
23 Correct 45 ms 13084 KB Output is correct
24 Correct 45 ms 13084 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 37 ms 11236 KB Output is correct
3 Correct 38 ms 11200 KB Output is correct
4 Correct 36 ms 11268 KB Output is correct
5 Correct 38 ms 11192 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 300 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 212 KB Output is correct
12 Correct 1 ms 212 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 236 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 39 ms 12432 KB Output is correct
19 Correct 38 ms 12472 KB Output is correct
20 Correct 38 ms 12432 KB Output is correct
21 Correct 35 ms 12432 KB Output is correct
22 Correct 33 ms 12448 KB Output is correct
23 Correct 37 ms 12432 KB Output is correct
24 Correct 36 ms 12644 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 296 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 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 23 ms 8528 KB Output is correct
20 Correct 25 ms 8436 KB Output is correct
21 Correct 24 ms 8456 KB Output is correct
22 Correct 33 ms 11268 KB Output is correct
23 Correct 32 ms 11176 KB Output is correct
24 Correct 34 ms 11172 KB Output is correct
25 Correct 36 ms 11176 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 48 ms 11172 KB Output is correct
29 Correct 47 ms 12740 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 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 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 340 KB Output is correct
43 Correct 45 ms 13088 KB Output is correct
44 Correct 43 ms 13116 KB Output is correct
45 Correct 47 ms 13092 KB Output is correct
46 Correct 46 ms 13068 KB Output is correct
47 Correct 47 ms 13084 KB Output is correct
48 Correct 45 ms 13084 KB Output is correct
49 Correct 45 ms 13084 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 37 ms 11236 KB Output is correct
52 Correct 38 ms 11200 KB Output is correct
53 Correct 36 ms 11268 KB Output is correct
54 Correct 38 ms 11192 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 1 ms 300 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 212 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 236 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 39 ms 12432 KB Output is correct
68 Correct 38 ms 12472 KB Output is correct
69 Correct 38 ms 12432 KB Output is correct
70 Correct 35 ms 12432 KB Output is correct
71 Correct 33 ms 12448 KB Output is correct
72 Correct 37 ms 12432 KB Output is correct
73 Correct 36 ms 12644 KB Output is correct
74 Correct 37 ms 13200 KB Output is correct
75 Correct 42 ms 12836 KB Output is correct
76 Correct 37 ms 13080 KB Output is correct
77 Correct 41 ms 12560 KB Output is correct
78 Correct 37 ms 12556 KB Output is correct
79 Correct 40 ms 12556 KB Output is correct
80 Correct 35 ms 12572 KB Output is correct
81 Correct 40 ms 12640 KB Output is correct
82 Correct 40 ms 12556 KB Output is correct
83 Correct 34 ms 12828 KB Output is correct
84 Correct 37 ms 13112 KB Output is correct
85 Correct 44 ms 13088 KB Output is correct
86 Correct 40 ms 13084 KB Output is correct
87 Correct 41 ms 13088 KB Output is correct
88 Correct 42 ms 13112 KB Output is correct
89 Correct 39 ms 13084 KB Output is correct
90 Correct 47 ms 13208 KB Output is correct
91 Correct 40 ms 13172 KB Output is correct
92 Correct 37 ms 13244 KB Output is correct
93 Correct 39 ms 13084 KB Output is correct
94 Correct 39 ms 13200 KB Output is correct
95 Correct 39 ms 13200 KB Output is correct
96 Correct 37 ms 13092 KB Output is correct
97 Correct 42 ms 13084 KB Output is correct
98 Correct 42 ms 13084 KB Output is correct
99 Correct 44 ms 13076 KB Output is correct
100 Correct 38 ms 13240 KB Output is correct
101 Correct 40 ms 13080 KB Output is correct
102 Correct 48 ms 13080 KB Output is correct