Submission #826462

# Submission time Handle Problem Language Result Execution time Memory
826462 2023-08-15T15:33:46 Z caganyanmaz Wiring (IOI17_wiring) C++17
30 / 100
796 ms 5460 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 = 1e10;
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;
}

vector<int> dp(MXG);
vector<int> dp2(MXG);

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;
	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();
		}
		fill(dp2.begin(), dp2.begin() + g, INF);
		int rb = b[0], lb = v[0];
		for (int i = 0; i <= v.size(); i++) // How many we're putting to right
		{
			int lsum = 0;
			int rsum = 0;
			for (int j = 0; j < v.size()-i; j++)
				lsum += v[j] - lb;
			for (int j = v.size()-i; j < v.size(); j++)
				rsum += rb - v[j];
			for (int j = 0; j < g; 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)
			}

		}
		for (int i = 0; i < g; i++)
			dp[i] = dp2[i];
		mnr = v.back();
		swap(r, b);
	}
	return dp[0];
}

Compilation message

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:61:19: 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]
   61 |   assert(v.size() < g);
      |          ~~~~~~~~~^~~
wiring.cpp:69:21: 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]
   69 |   for (int i = 0; i <= v.size(); i++) // How many we're putting to right
      |                   ~~^~~~~~~~~~~
wiring.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'long unsigned int' [-Wsign-compare]
   73 |    for (int j = 0; j < v.size()-i; j++)
      |                    ~~^~~~~~~~~~~~
wiring.cpp:75:31: 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]
   75 |    for (int j = v.size()-i; j < v.size(); j++)
      |                             ~~^~~~~~~~~~
wiring.cpp:79:11: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'long unsigned int' [-Wsign-compare]
   79 |     if (j < v.size()-i) // We need to take more
      |         ~~^~~~~~~~~~~~
wiring.cpp:52:6: warning: unused variable 'current' [-Wunused-variable]
   52 |  int current = 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 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 308 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
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 268 KB Output is correct
3 Correct 14 ms 3440 KB Output is correct
4 Correct 14 ms 3252 KB Output is correct
5 Correct 15 ms 3212 KB Output is correct
6 Correct 19 ms 4428 KB Output is correct
7 Correct 21 ms 4324 KB Output is correct
8 Correct 19 ms 4264 KB Output is correct
9 Correct 19 ms 4464 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 304 KB Output is correct
3 Correct 32 ms 4764 KB Output is correct
4 Correct 28 ms 5036 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 28 ms 5416 KB Output is correct
19 Correct 28 ms 5324 KB Output is correct
20 Correct 26 ms 5460 KB Output is correct
21 Correct 29 ms 5432 KB Output is correct
22 Correct 28 ms 5424 KB Output is correct
23 Correct 28 ms 5416 KB Output is correct
24 Correct 28 ms 5332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 796 ms 4872 KB secret mismatch
3 Halted 0 ms 0 KB -
# 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 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 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 308 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 0 ms 212 KB Output is correct
18 Correct 1 ms 268 KB Output is correct
19 Correct 14 ms 3440 KB Output is correct
20 Correct 14 ms 3252 KB Output is correct
21 Correct 15 ms 3212 KB Output is correct
22 Correct 19 ms 4428 KB Output is correct
23 Correct 21 ms 4324 KB Output is correct
24 Correct 19 ms 4264 KB Output is correct
25 Correct 19 ms 4464 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 304 KB Output is correct
28 Correct 32 ms 4764 KB Output is correct
29 Correct 28 ms 5036 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 28 ms 5416 KB Output is correct
44 Correct 28 ms 5324 KB Output is correct
45 Correct 26 ms 5460 KB Output is correct
46 Correct 29 ms 5432 KB Output is correct
47 Correct 28 ms 5424 KB Output is correct
48 Correct 28 ms 5416 KB Output is correct
49 Correct 28 ms 5332 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Incorrect 796 ms 4872 KB secret mismatch
52 Halted 0 ms 0 KB -