oj.uz

Submission #772974

# Submission time Handle Problem Language Result Execution time Memory
772974 2023-07-04T13:35:20 Z Filya Group Photo (JOI21_ho_t3) C++14
100 / 100
 283 ms 117456 KB 
//♥God will make a way♥
 
//#include <bits/stdc++.h>
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <set>
#include <map>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stdio.h>
#include <climits>
#include <numeric>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//template <typename T>
//using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
/////////////////////define/////////////////////
#define ci(x) if(x) cout << "YES" << '\n'; else cout << "NO" << '\n';
#define cii(x) if(check(x))
#define MOD 1000000007
#define MOD2 998244353
#define oo 1e9
#define ool 1e18L
#define pii pair<int, int>
#define pll pair<long long, long long>
#define mii map<int, int>
#define vi vector<int>
#define vpi vector<pair<int, int>>
#define vll vector <ll>
#define ff first
#define ss second
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
#define sz(x) (int((x).size()))
#define all(x) (x).begin(), (x).end()
#define alll(x) (x), (x) + n
#define clr(x) (x).clear();
#define fri(x) for(int i = 0; i < x; ++i)
#define frj(x) for(int j = 0; j < x; ++j)
#define frp(x) for(int p = 0; p < x; ++p)
#define frr(a, b) for(int i = a; i < b; ++i)
#define frrj(a, b) for(int j = a; j < b; ++j)
#define fra(x) for(int i = 0; i < x; ++i) cin >> a[i];
#define frb(x) for(int i = 0; i < x; ++i) cin >> b[i];
#define frs(x) for(auto it = x.begin(); it != x.end(); ++it)
#define fr(x) for(auto it : x) //el
#define fastio ios_base::sync_with_stdio(false); cin.tie(0);
#define dbg(x) cerr << #x << ": " << x << endl;
#define ce(x) cout << x << endl;
#define uniq(x) x.resize(unique(all(x)) - x.begin()); //make all one after sorting
#define blt __builtin_popcount
/////////////////////print array, vector, deque, set, multiset, pair, map /////////////////////
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]"; cout << endl;}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(stack <T> v) {cerr << "[ "; stack<T> s = v; while(s.size()) {T i = s.top(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(queue <T> v) {cerr << "[ "; queue<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(deque <T> v) {cerr << "[ "; deque<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop_front(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
/////////////////////de/////////////////////
ll ans, a[5005], dp[5005], f[5005][5005]; //f -> aj poqrneri gumar
int id[5005];
ll cnt(ll n) {
    return (n * (n - 1)) / 2;
}
int main() {
    fastio;
    int n; cin >> n; fra(n)
    fri(n) id[a[i]] = i;
    frr(1, 1 + n) dp[i] = 1e18;
    for(int r = 1; r <= n; r++) {
        ll cur = 0;
        for(int l = r-1; l >= 1; l--) {
            if(id[l] > id[r]) cur++;
            f[l][r] = f[l][r-1] + cur;
        }
    }
    frr(1, 1 + n) {
        frrj(1, i+1) { //dp[j-1] ic upd enq anelu, j...i tvery shrjac vercnenq mer taza blokum
            ll cost = f[1][i] - f[1][j-1] - f[j][i]; //i...j tveri inversianeri gumary 1...i i hamar
            cost += cnt(i-j+1);
            cost -= f[j][i];
            dp[i] = min(dp[i], dp[j-1] + cost);
        }
    }
    // if(a[t] > i) cost++;
    // if(a[t] <= i && a[t] > p) cost++;
    cout << dp[n];
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 1224 KB Output is correct
22 Correct 1 ms 1236 KB Output is correct
23 Correct 1 ms 1236 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1236 KB Output is correct
26 Correct 1 ms 1228 KB Output is correct
27 Correct 2 ms 1236 KB Output is correct
28 Correct 1 ms 1248 KB Output is correct
29 Correct 1 ms 1236 KB Output is correct
30 Correct 1 ms 1236 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 1224 KB Output is correct
22 Correct 1 ms 1236 KB Output is correct
23 Correct 1 ms 1236 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1236 KB Output is correct
26 Correct 1 ms 1228 KB Output is correct
27 Correct 2 ms 1236 KB Output is correct
28 Correct 1 ms 1248 KB Output is correct
29 Correct 1 ms 1236 KB Output is correct
30 Correct 1 ms 1236 KB Output is correct
31 Correct 4 ms 5972 KB Output is correct
32 Correct 5 ms 5972 KB Output is correct
33 Correct 5 ms 6100 KB Output is correct
34 Correct 5 ms 6080 KB Output is correct
35 Correct 4 ms 6100 KB Output is correct
36 Correct 5 ms 6104 KB Output is correct
37 Correct 4 ms 6100 KB Output is correct
38 Correct 4 ms 6084 KB Output is correct
39 Correct 5 ms 6076 KB Output is correct
40 Correct 5 ms 6036 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 1224 KB Output is correct
22 Correct 1 ms 1236 KB Output is correct
23 Correct 1 ms 1236 KB Output is correct
24 Correct 1 ms 1236 KB Output is correct
25 Correct 1 ms 1236 KB Output is correct
26 Correct 1 ms 1228 KB Output is correct
27 Correct 2 ms 1236 KB Output is correct
28 Correct 1 ms 1248 KB Output is correct
29 Correct 1 ms 1236 KB Output is correct
30 Correct 1 ms 1236 KB Output is correct
31 Correct 4 ms 5972 KB Output is correct
32 Correct 5 ms 5972 KB Output is correct
33 Correct 5 ms 6100 KB Output is correct
34 Correct 5 ms 6080 KB Output is correct
35 Correct 4 ms 6100 KB Output is correct
36 Correct 5 ms 6104 KB Output is correct
37 Correct 4 ms 6100 KB Output is correct
38 Correct 4 ms 6084 KB Output is correct
39 Correct 5 ms 6076 KB Output is correct
40 Correct 5 ms 6036 KB Output is correct
41 Correct 248 ms 117196 KB Output is correct
42 Correct 244 ms 117332 KB Output is correct
43 Correct 282 ms 117380 KB Output is correct
44 Correct 283 ms 117332 KB Output is correct
45 Correct 254 ms 117384 KB Output is correct
46 Correct 253 ms 117400 KB Output is correct
47 Correct 256 ms 117356 KB Output is correct
48 Correct 259 ms 117300 KB Output is correct
49 Correct 260 ms 117452 KB Output is correct
50 Correct 265 ms 117416 KB Output is correct
51 Correct 266 ms 117368 KB Output is correct
52 Correct 259 ms 117408 KB Output is correct
53 Correct 262 ms 117456 KB Output is correct
54 Correct 267 ms 117328 KB Output is correct
55 Correct 268 ms 117420 KB Output is correct