oj.uz

Submission #307691

# Submission time Handle Problem Language Result Execution time Memory
307691 2020-09-29T05:53:52 Z kylych03 Boxes with souvenirs (IOI15_boxes) C++14
25 / 100
 1 ms 384 KB 
#include <bits/stdc++.h>
#include "boxes.h"
//#include "grader.cpp"
//#define int long long
using namespace std;
long long pra[10000001], prb[10000001];
long long delivery(int n, int k, int l, int p[]) {

    long long K = k;
    long long L = l;
    long long N = n;
    vector <long long > a,b;
    sort(p, p+N);
    for(int  i = 0; i < N; i++){
        if(p[i] <= L/2)
            a.push_back(p[i]);
        else
            b.push_back(L-p[i]);
    }
    sort(b.begin(), b.end());
    long long res = 0;

    for(int  i = 0 ; i < a.size();i++)
        if(i<K)
            pra[i] = a[i]*2;
        else
            pra[i] = a[i] * 2 + pra[i-K];

    for(int  i = 0 ; i < b.size();i++)
        if(i<K)
            prb[i] = b[i]*2;
        else
            prb[i] = b[i] * 2 + prb[i-K];

    if( a.size()==0)
    res = prb[b.size() -1 ];
    else
    if(b.size()==0)
    res = pra[a.size() -1 ];
    else
    res = pra[a.size() - 1] + prb[b.size() -1 ];
    long long x = 0;
    for(long long i  = a.size() - 2, j= 1; j <= K && i>=0 ; j++,i--){
        if(b.size() >= K - j)
            x = prb[b.size() - (K-j)-1];
        else
            x = 0;
        res = min (res, pra[i] + L + x);
    }
    return res;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:23:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int  i = 0 ; i < a.size();i++)
      |                      ~~^~~~~~~~~~
boxes.cpp:29:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int  i = 0 ; i < b.size();i++)
      |                      ~~^~~~~~~~~~
boxes.cpp:44:21: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   44 |         if(b.size() >= K - j)
      |            ~~~~~~~~~^~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Incorrect 1 ms 384 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Incorrect 1 ms 384 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Incorrect 1 ms 384 KB Output isn't correct
12 Halted 0 ms 0 KB -