oj.uz

Submission #976525

# Submission time Handle Problem Language Result Execution time Memory
976525 2024-05-06T16:19:38 Z GrindMachine Wiring (IOI17_wiring) C++17
100 / 100
 58 ms 15928 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*

refs;
https://cubelover.tistory.com/8

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;

#include "wiring.h"

long long min_total_length(std::vector<int> a, std::vector<int> b) {
	ll n = sz(a), m = sz(b);
	sort(all(a)), sort(all(b));

	vector<array<ll,3>> c;
	
	rep(i,n){
		ll x = a[i];
		auto it = lower_bound(all(b),x);
		ll bef = -inf2, aft = inf2;
		if(it != b.end()) aft = *it;
		if(it != b.begin()) bef = *prev(it);
		ll mn_dis = min(abs(x-bef),abs(x-aft));
		c.pb({x,mn_dis,1}); 		
	}

	rep(i,m){
		ll x = b[i];
		auto it = lower_bound(all(a),x);
		ll bef = -inf2, aft = inf2;
		if(it != a.end()) aft = *it;
		if(it != a.begin()) bef = *prev(it);
		ll mn_dis = min(abs(x-bef),abs(x-aft));
		c.pb({x,mn_dis,2});
	}
	
	sort(all(c));
	ll siz = sz(c);
	c.insert(c.begin(),{0,0});

	vector<ll> p(siz+5), pref(siz+5);
	rep1(i,siz){
		p[i] = p[i-1], pref[i] = pref[i-1];
		if(c[i][2] == 1) p[i]++, pref[i] += c[i][0];
		else p[i]--, pref[i] -= c[i][0];
	}

	vector<ll> dp(siz+5,inf2);
	vector<ll> prev_occ(2*siz+5,-1);
	dp[0] = 0;
	prev_occ[siz] = 0;

	rep1(i,siz){
		dp[i] = dp[i-1]+c[i][1];
		if(prev_occ[p[i]+siz] != -1){
			ll j = prev_occ[p[i]+siz];
			ll diff = pref[i]-pref[j];
			amin(dp[i],dp[j]+abs(diff));
		}

		prev_occ[p[i]+siz] = i;
	}

	return dp[siz]; 
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 26 ms 11640 KB Output is correct
4 Correct 28 ms 12736 KB Output is correct
5 Correct 27 ms 11200 KB Output is correct
6 Correct 35 ms 14532 KB Output is correct
7 Correct 41 ms 15292 KB Output is correct
8 Correct 39 ms 15104 KB Output is correct
9 Correct 35 ms 14524 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 56 ms 15928 KB Output is correct
4 Correct 55 ms 15028 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 54 ms 14272 KB Output is correct
19 Correct 57 ms 14388 KB Output is correct
20 Correct 58 ms 15808 KB Output is correct
21 Correct 53 ms 14264 KB Output is correct
22 Correct 57 ms 15160 KB Output is correct
23 Correct 54 ms 15244 KB Output is correct
24 Correct 56 ms 14944 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 44 ms 14272 KB Output is correct
3 Correct 50 ms 14520 KB Output is correct
4 Correct 47 ms 14520 KB Output is correct
5 Correct 54 ms 15212 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 408 KB Output is correct
13 Correct 0 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 43 ms 15544 KB Output is correct
19 Correct 46 ms 14528 KB Output is correct
20 Correct 43 ms 14456 KB Output is correct
21 Correct 40 ms 15096 KB Output is correct
22 Correct 42 ms 14792 KB Output is correct
23 Correct 35 ms 14524 KB Output is correct
24 Correct 36 ms 14792 KB Output is correct

Subtask #5
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 26 ms 11640 KB Output is correct
20 Correct 28 ms 12736 KB Output is correct
21 Correct 27 ms 11200 KB Output is correct
22 Correct 35 ms 14532 KB Output is correct
23 Correct 41 ms 15292 KB Output is correct
24 Correct 39 ms 15104 KB Output is correct
25 Correct 35 ms 14524 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 56 ms 15928 KB Output is correct
29 Correct 55 ms 15028 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 54 ms 14272 KB Output is correct
44 Correct 57 ms 14388 KB Output is correct
45 Correct 58 ms 15808 KB Output is correct
46 Correct 53 ms 14264 KB Output is correct
47 Correct 57 ms 15160 KB Output is correct
48 Correct 54 ms 15244 KB Output is correct
49 Correct 56 ms 14944 KB Output is correct
50 Correct 1 ms 344 KB Output is correct
51 Correct 44 ms 14272 KB Output is correct
52 Correct 50 ms 14520 KB Output is correct
53 Correct 47 ms 14520 KB Output is correct
54 Correct 54 ms 15212 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 408 KB Output is correct
62 Correct 0 ms 600 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 43 ms 15544 KB Output is correct
68 Correct 46 ms 14528 KB Output is correct
69 Correct 43 ms 14456 KB Output is correct
70 Correct 40 ms 15096 KB Output is correct
71 Correct 42 ms 14792 KB Output is correct
72 Correct 35 ms 14524 KB Output is correct
73 Correct 36 ms 14792 KB Output is correct
74 Correct 35 ms 14528 KB Output is correct
75 Correct 45 ms 15540 KB Output is correct
76 Correct 45 ms 15804 KB Output is correct
77 Correct 44 ms 15076 KB Output is correct
78 Correct 40 ms 14524 KB Output is correct
79 Correct 42 ms 15028 KB Output is correct
80 Correct 37 ms 14808 KB Output is correct
81 Correct 39 ms 15300 KB Output is correct
82 Correct 35 ms 14688 KB Output is correct
83 Correct 47 ms 15404 KB Output is correct
84 Correct 36 ms 14272 KB Output is correct
85 Correct 45 ms 15304 KB Output is correct
86 Correct 37 ms 15552 KB Output is correct
87 Correct 39 ms 14784 KB Output is correct
88 Correct 41 ms 14272 KB Output is correct
89 Correct 40 ms 15560 KB Output is correct
90 Correct 46 ms 15148 KB Output is correct
91 Correct 39 ms 15040 KB Output is correct
92 Correct 41 ms 14784 KB Output is correct
93 Correct 41 ms 15648 KB Output is correct
94 Correct 41 ms 15148 KB Output is correct
95 Correct 44 ms 15448 KB Output is correct
96 Correct 36 ms 14536 KB Output is correct
97 Correct 36 ms 14304 KB Output is correct
98 Correct 39 ms 14508 KB Output is correct
99 Correct 40 ms 15392 KB Output is correct
100 Correct 48 ms 14512 KB Output is correct
101 Correct 40 ms 14520 KB Output is correct
102 Correct 45 ms 15032 KB Output is correct