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Submission #958037

# Submission time Handle Problem Language Result Execution time Memory
958037 2024-04-04T17:57:47 Z Lalic Aliens (IOI16_aliens) C++17
12 / 100
 74 ms 2460 KB 
#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define allr(x) x.rbegin(), x.rend()
#define mp make_pair

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 2e5+10;
const int MOD = 1e9+7;
const int INF = 0x3f3f3f3f;
const ll LINF = 0x3f3f3f3f3f3f3f3f;

ll take_photos(int n, int m, int k, vector<int> r, vector<int> c) {
    vector<pll> interv;
    for(int i=0;i<n;i++) interv.pb({r[i], c[i]});
    for(int i=0;i<n;i++)
		if(interv[i].fi>interv[i].se) swap(interv[i].fi, interv[i].se);
	
	sort(all(interv), [&](pii a, pii b){ return (a.fi!=b.fi ? a.fi<b.fi : a.se>b.se); });
	
	int last=-1;
	vector<pll> proc; proc.pb({0, 0});
	for(auto u : interv){
		if(u.se<=last) continue;
		proc.pb(u);
		last=u.se;
	}
	
	ll dp[505][505];
	for(int i=0;i<=n;i++)
		for(int j=0;j<=min(n, k);j++)
			dp[i][j]=LINF;
	dp[0][0]=0;
	
	n=(int)proc.size()-1;
	
	for(int i=1;i<=n;i++){
		for(int j=1;j<=min(n, k);j++){
			for(int w=0;w<i;w++){
				if(dp[w][j-1]==LINF) continue;
				dp[i][j]=min(dp[i][j], dp[w][j-1]+(proc[i].se-proc[w+1].fi+1ll)*(proc[i].se-proc[w+1].fi+1ll));
			}
		}
	}
	
	//for(int i=0;i<=n;i++)
		//for(int j=0;j<=min(n, k);j++)
			//cout << "dp[" << i << "][" << j << "] = " << dp[i][j] << "\n";
	
	return dp[n][min(n, k)];
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Correct answer: answer = 4
2 Correct 2 ms 2396 KB Correct answer: answer = 4
3 Correct 2 ms 2396 KB Correct answer: answer = 4
4 Incorrect 1 ms 2396 KB Wrong answer: output = 13, expected = 12
5 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Correct answer: answer = 1
2 Correct 1 ms 2224 KB Correct answer: answer = 4
3 Correct 1 ms 2396 KB Correct answer: answer = 1
4 Correct 2 ms 2396 KB Correct answer: answer = 5
5 Correct 1 ms 2396 KB Correct answer: answer = 41
6 Correct 2 ms 2392 KB Correct answer: answer = 71923
7 Correct 2 ms 2396 KB Correct answer: answer = 77137
8 Correct 25 ms 2460 KB Correct answer: answer = 764
9 Correct 2 ms 2396 KB Correct answer: answer = 250000
10 Correct 74 ms 2440 KB Correct answer: answer = 500
11 Correct 2 ms 2396 KB Correct answer: answer = 32
12 Correct 1 ms 2396 KB Correct answer: answer = 130050
13 Correct 10 ms 2396 KB Correct answer: answer = 5110
14 Correct 3 ms 2396 KB Correct answer: answer = 2626
15 Correct 5 ms 2396 KB Correct answer: answer = 796
16 Correct 7 ms 2396 KB Correct answer: answer = 7580
17 Correct 23 ms 2392 KB Correct answer: answer = 1904
18 Correct 1 ms 2396 KB Correct answer: answer = 996004
19 Correct 3 ms 2396 KB Correct answer: answer = 38817
20 Correct 16 ms 2456 KB Correct answer: answer = 4096
21 Correct 1 ms 2396 KB Correct answer: answer = 1
22 Correct 1 ms 2396 KB Correct answer: answer = 1
23 Correct 23 ms 2396 KB Correct answer: answer = 2040
24 Correct 1 ms 2392 KB Correct answer: answer = 2

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Correct answer: answer = 4
2 Correct 2 ms 2396 KB Correct answer: answer = 4
3 Correct 2 ms 2396 KB Correct answer: answer = 4
4 Incorrect 1 ms 2396 KB Wrong answer: output = 13, expected = 12
5 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Correct answer: answer = 4
2 Correct 2 ms 2396 KB Correct answer: answer = 4
3 Correct 2 ms 2396 KB Correct answer: answer = 4
4 Incorrect 1 ms 2396 KB Wrong answer: output = 13, expected = 12
5 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Correct answer: answer = 4
2 Correct 2 ms 2396 KB Correct answer: answer = 4
3 Correct 2 ms 2396 KB Correct answer: answer = 4
4 Incorrect 1 ms 2396 KB Wrong answer: output = 13, expected = 12
5 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Correct answer: answer = 4
2 Correct 2 ms 2396 KB Correct answer: answer = 4
3 Correct 2 ms 2396 KB Correct answer: answer = 4
4 Incorrect 1 ms 2396 KB Wrong answer: output = 13, expected = 12
5 Halted 0 ms 0 KB -