oj.uz

Submission #966971

# Submission time Handle Problem Language Result Execution time Memory
966971 2024-04-20T18:17:50 Z MarwenElarbi Aliens (IOI16_aliens) C++17
12 / 100
 15 ms 620 KB 
//#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c){
    set<int> st;
    for (int i = 0; i < n; ++i)
    {
        st.insert(r[i]);
    }
    if(k>=st.size()) return st.size();
    vector<int> tab;
    tab.push_back(-1);
    for(auto u:st) tab.push_back(u);
    int dp[tab.size()+1][k+1];
    for (int i = 0; i < tab.size(); ++i)
    {
        for (int j = 0; j <= k; ++j)
        {
            dp[i][j]=1e9;
        }
    }
    int ans=m*m;
    dp[0][0]=0;
    for (int i = 1; i < tab.size(); ++i)
    {
        int lst=tab[i];
        int cur=1;
        //cout <<i<<endl;
        for (int j = i; j >= 0 ; --j)
        {
            //cout <<i<<" "<<j<<" "<<cur<<" "<<dp[j-1][1]<<endl;
            if(j==0){
                //cout <<i<<endl;
                //cout <<"nabba"<<endl;
                dp[i][1]=cur*cur;
            }else{
                //cout <<"nabba"<<endl;
                cur+=lst-tab[j];
                lst=tab[j];
                for (int t = 1; t <= k; ++t)
                {
                    //cout <<i<<" "<<t<<endl;
                    dp[i][t]=min(dp[i][t],dp[j-1][t-1]+cur*cur);
                    //cout <<dp[i][t]<<endl;
                }
            }
        }
    }
    for (int i = 0; i <= k; ++i)
    {
       ans=min(ans,dp[tab.size()-1][k]); 
    }
    return ans;
}

Compilation message

aliens.cpp: In function 'long long int take_photos(int, int, int, std::vector<int>, std::vector<int>)':
aliens.cpp:10:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     if(k>=st.size()) return st.size();
      |        ~^~~~~~~~~~~
aliens.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int i = 0; i < tab.size(); ++i)
      |                     ~~^~~~~~~~~~~~
aliens.cpp:24:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for (int i = 1; i < tab.size(); ++i)
      |                     ~~^~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Wrong answer: output = 1, expected = 4
2 Halted 0 ms 0 KB -

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 1
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 344 KB Correct answer: answer = 1
4 Correct 0 ms 348 KB Correct answer: answer = 5
5 Correct 0 ms 348 KB Correct answer: answer = 41
6 Correct 0 ms 348 KB Correct answer: answer = 71923
7 Correct 1 ms 348 KB Correct answer: answer = 77137
8 Correct 15 ms 604 KB Correct answer: answer = 764
9 Correct 1 ms 472 KB Correct answer: answer = 250000
10 Correct 1 ms 348 KB Correct answer: answer = 500
11 Correct 0 ms 348 KB Correct answer: answer = 32
12 Correct 1 ms 348 KB Correct answer: answer = 130050
13 Correct 5 ms 388 KB Correct answer: answer = 5110
14 Correct 1 ms 344 KB Correct answer: answer = 2626
15 Correct 3 ms 536 KB Correct answer: answer = 796
16 Correct 5 ms 604 KB Correct answer: answer = 7580
17 Correct 14 ms 604 KB Correct answer: answer = 1904
18 Correct 1 ms 348 KB Correct answer: answer = 996004
19 Correct 2 ms 348 KB Correct answer: answer = 38817
20 Correct 7 ms 620 KB Correct answer: answer = 4096
21 Correct 1 ms 348 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 1
23 Correct 13 ms 604 KB Correct answer: answer = 2040
24 Correct 1 ms 344 KB Correct answer: answer = 2

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Wrong answer: output = 1, expected = 4
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Wrong answer: output = 1, expected = 4
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Wrong answer: output = 1, expected = 4
2 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Wrong answer: output = 1, expected = 4
2 Halted 0 ms 0 KB -