oj.uz

Submission #827214

# Submission time Handle Problem Language Result Execution time Memory
827214 2023-08-16T09:58:38 Z jmyszka2007 Group Photo (JOI21_ho_t3) C++17
64 / 100
 5000 ms 391900 KB 
#include <bits/stdc++.h>
#include <fstream>
using namespace std;
template<class A, class B>
ostream& operator<<(ostream& o, const pair<A, B>& p) {return o << '(' << p.first << ", " << p.second << ')';}
template<size_t Index = 0, typename... Types>
ostream& printTupleElements(ostream& o, const tuple<Types...>& t) {if constexpr (Index < sizeof...(Types)){if(Index > 0){o << ", ";}o << get<Index>(t);printTupleElements<Index + 1>(o, t);}return o;}
template<typename... Types>
ostream& operator<<(ostream& o, const tuple<Types...>& t){o << "(";printTupleElements(o, t);return o << ")";}
template<class T>
auto operator<<(ostream& o, const T& x) -> decltype(x.end(), o){o << '{';bool first = true;for (const auto& e : x){if (!first){o << ", ";}o << e;first = false;} return o << '}';}
//#define DEBUG
#ifdef DEBUG
#define fastio()
#define debug(x...) cerr << "[" #x "]: ", [](auto... $) {((cerr << $ << "; "), ...); }(x), cerr << '\n'
#define check(x) if (!(x)) { cerr << "Check failed: " << #x << " in line " << __LINE__ << endl; exit(1); }
#else
#define fastio() ios_base::sync_with_stdio(0); cin.tie(0);
#define debug(...)
#define check(x) 
#endif
typedef long long ll;
#define pi pair<int, int>
#define pl pair<ll, ll>
#define st first
#define nd second
#define vi vector<int>
#define vll vector<ll>
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
ll get_sum(vector<vll>sum, int x, int l, int r) {
	if(l > r) {
		return 0ll;
	}
	return sum[x][r] - sum[x][l - 1];
}
ll get_sum2(vll sum, int l, int r) {
	if(l > r) {
		return 0ll;
	}
	return sum[r] - sum[l - 1];
}
void solve() {
	//ifstream cin("nazwa.in");
	//ofstream cout("nazwa.out");
	int n;
	cin >> n;
	vi tab(n + 1), pos(n + 1);
	for(int i = 1; i <= n; i++) {
		cin >> tab[i];
		pos[tab[i]] = i;
	}
	vector<vll>sum1(n + 1, vll(n + 1, 0));
	vector<vll>sum2(n + 1, vll(n + 1, 0));
	vll sum3(n + 1, 0);
	for(int i = 1; i <= n; i++) {
		vll rgt1(n + 1, 0), rgt2(n + 1, 0);
		for(int j = i; j <= n; j++) {
			rgt1[tab[j]]++;
			if(tab[j] > tab[i]) {
				rgt2[tab[j]]++;
			}
		}
		for(int j = 1; j <= n; j++) {
			rgt1[j] += rgt1[j - 1];
			sum1[j][tab[i]] += rgt1[j];
		}
		for(int j = tab[i] + 1; j <= n; j++) {
			rgt2[j] += rgt2[j - 1];
			sum2[j][tab[i]] += rgt2[j];
		}
		sum3[tab[i]] += i;
	}
	debug(sum2[n]);
	for(int j = 1; j <= n; j++) {
		for(int i = 1; i <= n; i++) {
			sum1[j][i] += sum1[j][i - 1];
			sum2[j][i] += sum2[j][i - 1];
		}
		sum3[j] += sum3[j - 1];
	}
	vll dp(n + 1, 1e18);
	dp[0] = 0;
	for(int i = 1; i <= n; i++) {
		for(int j = i; j >= 1; j--) {
			dp[i] = min(dp[i], dp[j - 1] + (sum1[j - 1][i] - sum1[j - 1][j - 1]) + (sum2[i][i] - sum2[i][j - 1]) + get_sum2(sum3, j, i) - ((ll)(i + 1 - j) * (ll)(j + i) / 2));
		}
	}
	debug(dp);
	cout << dp[n] << '\n';
}
int main() {
	fastio();
	int t;
	//cin >> t;
	t = 1;	
	while(t--) {
		solve();
	}
}

Subtask #1
5.0 / 5.0

# 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 0 ms 212 KB Output is correct
4 Correct 0 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

Subtask #2
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 0 ms 212 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
32.0 / 32.0

# 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 0 ms 212 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 2 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 852 KB Output is correct
26 Correct 2 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 852 KB Output is correct
30 Correct 2 ms 852 KB Output is correct

Subtask #4
20.0 / 20.0

# 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 0 ms 212 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 2 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 852 KB Output is correct
26 Correct 2 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 852 KB Output is correct
30 Correct 2 ms 852 KB Output is correct
31 Correct 39 ms 10368 KB Output is correct
32 Correct 38 ms 10304 KB Output is correct
33 Correct 38 ms 10412 KB Output is correct
34 Correct 39 ms 10424 KB Output is correct
35 Correct 38 ms 10428 KB Output is correct
36 Correct 40 ms 10324 KB Output is correct
37 Correct 38 ms 10324 KB Output is correct
38 Correct 39 ms 10436 KB Output is correct
39 Correct 39 ms 10324 KB Output is correct
40 Correct 38 ms 10432 KB Output is correct

Subtask #5
0 / 36.0

# 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 0 ms 212 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 852 KB Output is correct
22 Correct 2 ms 852 KB Output is correct
23 Correct 2 ms 852 KB Output is correct
24 Correct 2 ms 852 KB Output is correct
25 Correct 2 ms 852 KB Output is correct
26 Correct 2 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 2 ms 852 KB Output is correct
29 Correct 2 ms 852 KB Output is correct
30 Correct 2 ms 852 KB Output is correct
31 Correct 39 ms 10368 KB Output is correct
32 Correct 38 ms 10304 KB Output is correct
33 Correct 38 ms 10412 KB Output is correct
34 Correct 39 ms 10424 KB Output is correct
35 Correct 38 ms 10428 KB Output is correct
36 Correct 40 ms 10324 KB Output is correct
37 Correct 38 ms 10324 KB Output is correct
38 Correct 39 ms 10436 KB Output is correct
39 Correct 39 ms 10324 KB Output is correct
40 Correct 38 ms 10432 KB Output is correct
41 Execution timed out 5063 ms 391900 KB Time limit exceeded
42 Halted 0 ms 0 KB -