oj.uz

Submission #826522

# Submission time Handle Problem Language Result Execution time Memory
826522 2023-08-15T16:20:33 Z caganyanmaz Wiring (IOI17_wiring) C++17
100 / 100
 95 ms 18352 KB 
#include <bits/stdc++.h>
#define pb push_back
#define int int64_t
using namespace std;
#include "wiring.h"

#ifdef DEBUGGING
#include "../debug.h"
#else
#define debug(x...) void(42)
#endif


constexpr static int MXN = 1e5;
#ifdef DEBUGGING
constexpr static int MXG = 10;
#else
constexpr static int MXG = 205;
#endif
constexpr static int INF = 1e16;


struct SegTree
{
	vector<int> data;
	vector<int> lazy;
	int n;
	SegTree(int _n) : n(_n), data(_n<<2, INF), lazy(_n<<2) {}
	void push(int l, int r, int index)
	{
		data[index] += lazy[index];
		if (data[index] > INF)
			data[index] = INF;
		if (r - l > 1)
		{
			lazy[index<<1] += lazy[index];
			lazy[(index<<1)|1] += lazy[index];
		}
		lazy[index] = 0;
	}
	void updater(int l, int r, int index, int ss, int ee, int val)
	{
		push(l, r, index);
		if (ss >= r || l >= ee)
			return;
		if (ee >= r && l >= ss)
		{
			lazy[index] += val;
			push(l, r, index);
			return;
		}
		int m = l+r>>1;
		updater(l, m, index<<1, ss, ee, val);
		updater(m, r, (index<<1)|1, ss, ee, val);
		data[index] = min(data[index<<1], data[(index<<1)|1]);
	}
	void updatep(int l, int r, int index, int i, int val)
	{
		push(l, r, index);
		if (i >= r || l > i)
			return;
		if (r - l == 1)
		{
			data[index] = min(data[index], val);
			return;
		}
		int m = l+r>>1;
		updatep(l, m, index<<1, i, val);
		updatep(m, r, (index<<1)|1, i, val);
		data[index] = min(data[index<<1], data[(index<<1)|1]);
	}
	int query(int l, int r, int index, int ss, int ee)
	{
		push(l, r, index);
		if (l >= ee || ss >= r)
			return INF;
		if (ee >= r && l >= ss)
			return data[index];
		int m = l+r>>1;
		int lval = query(l, m, index<<1, ss, ee);
		int rval = query(m, r, (index<<1)|1, ss, ee);
		return min(lval, rval);
	}
	void clear() { lazy.clear(); data.clear(); }
	void updater(int ss, int ee, int val) { updater(0, n, 1, ss, ee, val); }
	void updatep(int i, int val) { updatep(0, n, 1, i, val); } 
	int query(int ss, int ee) { return query(0, n, 1, ss, ee); }
};
deque<int> r, b;



long long subtask2()
{
	int m = r.back();
	int sum = 0;
	for (int i : r)
		sum += m - i;
	for (int i : b)
		sum += i - m;
	if (r.size() > b.size())
		sum += (b[0] - m) * (r.size() - b.size());
	return sum;
}


long long min_total_length(vector<int32_t> rr, vector<int32_t> bb) 
{
	for (int i : rr)
		r.push_back(i);
	for (int i : bb)
		b.push_back(i);
	if (r.back() < b[0])
		return subtask2();
	int g = 200;
	if (rr.size() > 200 || bb.size() > 200)
		g = 9;
	int current = 0;
	//fill(dp.begin(), dp.begin() + g, INF);
	//dp[0] = 0;
	if (r[0] > b[0])
		swap(r, b);
	int mnr = -INF;
	SegTree st(1);
	SegTree st2(1);
	st.updatep(0, 0);
	debug(r, b);
	while (r.size() || b.size())
	{
		vector<int> v;
		assert(v.size() < g);
		while (r.size() && (b.empty() || r[0] < b[0])) 
		{
			v.pb(r[0]);
			r.pop_front();
		}
		st2.clear();
		st2 = SegTree(v.size()+1);
		int rb = b[0], lb = v[0];
		int lsum = 0, rsum = 0;
		for (int j = 0; j < v.size(); j++)
			rsum += rb - v[j];
		for (int i = v.size(); i >= 0; i--) // How many we're putting to right
		{
		//j	for (int j = v.size()-i; j < v.size(); j++)
		//		rsum += rb - v[j];
			debug(i, st.query(0, st.n), lsum, rsum);
			st2.updatep(i, st.query(0, st.n) + lsum + rsum);
			st.updater(0, v.size()-i+1, lb - mnr);
			if (i > 0)
			{
				lsum += v[v.size()-i] - lb;
				rsum -= rb- v[v.size()-i];
			}
			//for (int j = g-1; j >= 0; j--) // How many is coming from right
			//{
			//	if (j < v.size()-i) // We need to take more
			//		dp2[i] = min<int>(dp2[i], dp[j] + (v.size()-i-j) * (lb - mnr) + lsum + rsum);
			//	else
			//		dp2[i] = min<int>(dp2[i], dp[j] + lsum + rsum);
				// We might need to give more as well (but it has 0 contribution so it doesn't matter)
			//}

		}
		mnr = v.back();
		swap(r, b);
		swap(st, st2);
		debug(r, b);
	}
	return st.query(0, 1);
}

Compilation message

wiring.cpp: In constructor 'SegTree::SegTree(int64_t)':
wiring.cpp:27:6: warning: 'SegTree::n' will be initialized after [-Wreorder]
   27 |  int n;
      |      ^
wiring.cpp:25:14: warning:   'std::vector<long int> SegTree::data' [-Wreorder]
   25 |  vector<int> data;
      |              ^~~~
wiring.cpp:28:2: warning:   when initialized here [-Wreorder]
   28 |  SegTree(int _n) : n(_n), data(_n<<2, INF), lazy(_n<<2) {}
      |  ^~~~~~~
wiring.cpp: In member function 'void SegTree::updater(int64_t, int64_t, int64_t, int64_t, int64_t, int64_t)':
wiring.cpp:52:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   52 |   int m = l+r>>1;
      |           ~^~
wiring.cpp: In member function 'void SegTree::updatep(int64_t, int64_t, int64_t, int64_t, int64_t)':
wiring.cpp:67:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   67 |   int m = l+r>>1;
      |           ~^~
wiring.cpp: In member function 'int64_t SegTree::query(int64_t, int64_t, int64_t, int64_t, int64_t)':
wiring.cpp:79:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   79 |   int m = l+r>>1;
      |           ~^~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from wiring.cpp:1:
wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:131:19: warning: comparison of integer expressions of different signedness: 'std::vector<long int>::size_type' {aka 'long unsigned int'} and 'int64_t' {aka 'long int'} [-Wsign-compare]
  131 |   assert(v.size() < g);
      |          ~~~~~~~~~^~~
wiring.cpp:141:21: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |   for (int j = 0; j < v.size(); j++)
      |                   ~~^~~~~~~~~~
wiring.cpp:118:6: warning: unused variable 'current' [-Wunused-variable]
  118 |  int current = 0;
      |      ^~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 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 0 ms 212 KB Output is correct
3 Correct 13 ms 2688 KB Output is correct
4 Correct 13 ms 2644 KB Output is correct
5 Correct 13 ms 2644 KB Output is correct
6 Correct 17 ms 3536 KB Output is correct
7 Correct 19 ms 3412 KB Output is correct
8 Correct 17 ms 3528 KB Output is correct
9 Correct 17 ms 3532 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 0 ms 212 KB Output is correct
3 Correct 33 ms 3396 KB Output is correct
4 Correct 29 ms 3524 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 32 ms 3528 KB Output is correct
19 Correct 33 ms 3532 KB Output is correct
20 Correct 42 ms 3524 KB Output is correct
21 Correct 32 ms 3412 KB Output is correct
22 Correct 33 ms 3528 KB Output is correct
23 Correct 47 ms 3528 KB Output is correct
24 Correct 32 ms 3412 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 62 ms 5372 KB Output is correct
3 Correct 30 ms 3532 KB Output is correct
4 Correct 48 ms 3660 KB Output is correct
5 Correct 29 ms 3532 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 90 ms 11688 KB Output is correct
19 Correct 54 ms 3520 KB Output is correct
20 Correct 60 ms 3888 KB Output is correct
21 Correct 74 ms 6800 KB Output is correct
22 Correct 95 ms 15528 KB Output is correct
23 Correct 72 ms 13444 KB Output is correct
24 Correct 83 ms 15000 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 0 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 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 13 ms 2688 KB Output is correct
20 Correct 13 ms 2644 KB Output is correct
21 Correct 13 ms 2644 KB Output is correct
22 Correct 17 ms 3536 KB Output is correct
23 Correct 19 ms 3412 KB Output is correct
24 Correct 17 ms 3528 KB Output is correct
25 Correct 17 ms 3532 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 33 ms 3396 KB Output is correct
29 Correct 29 ms 3524 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 32 ms 3528 KB Output is correct
44 Correct 33 ms 3532 KB Output is correct
45 Correct 42 ms 3524 KB Output is correct
46 Correct 32 ms 3412 KB Output is correct
47 Correct 33 ms 3528 KB Output is correct
48 Correct 47 ms 3528 KB Output is correct
49 Correct 32 ms 3412 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 62 ms 5372 KB Output is correct
52 Correct 30 ms 3532 KB Output is correct
53 Correct 48 ms 3660 KB Output is correct
54 Correct 29 ms 3532 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 90 ms 11688 KB Output is correct
68 Correct 54 ms 3520 KB Output is correct
69 Correct 60 ms 3888 KB Output is correct
70 Correct 74 ms 6800 KB Output is correct
71 Correct 95 ms 15528 KB Output is correct
72 Correct 72 ms 13444 KB Output is correct
73 Correct 83 ms 15000 KB Output is correct
74 Correct 82 ms 15128 KB Output is correct
75 Correct 72 ms 13156 KB Output is correct
76 Correct 68 ms 12824 KB Output is correct
77 Correct 87 ms 15204 KB Output is correct
78 Correct 79 ms 14428 KB Output is correct
79 Correct 73 ms 13288 KB Output is correct
80 Correct 73 ms 13848 KB Output is correct
81 Correct 60 ms 12908 KB Output is correct
82 Correct 70 ms 14692 KB Output is correct
83 Correct 76 ms 13756 KB Output is correct
84 Correct 70 ms 14784 KB Output is correct
85 Correct 70 ms 11624 KB Output is correct
86 Correct 86 ms 16824 KB Output is correct
87 Correct 81 ms 15592 KB Output is correct
88 Correct 72 ms 12384 KB Output is correct
89 Correct 77 ms 13648 KB Output is correct
90 Correct 89 ms 15984 KB Output is correct
91 Correct 76 ms 15000 KB Output is correct
92 Correct 77 ms 14804 KB Output is correct
93 Correct 91 ms 14448 KB Output is correct
94 Correct 80 ms 16532 KB Output is correct
95 Correct 87 ms 14892 KB Output is correct
96 Correct 80 ms 15664 KB Output is correct
97 Correct 87 ms 18352 KB Output is correct
98 Correct 85 ms 17956 KB Output is correct
99 Correct 85 ms 17952 KB Output is correct
100 Correct 83 ms 15804 KB Output is correct
101 Correct 87 ms 16980 KB Output is correct
102 Correct 67 ms 12396 KB Output is correct