oj.uz

Submission #65283

# Submission time Handle Problem Language Result Execution time Memory
65283 2018-08-07T09:57:21 Z KHUSRAV Boxes with souvenirs (IOI15_boxes) C++14
0 / 100
 3 ms 376 KB 
#include "boxes.h"
#include<bits/stdc++.h>
using namespace std ;
long long delivery(int N, int K, int L, int p[]) {
    int l = -1 ;
    int r = N ;
    long long ans = 1e18 ;
    while(l + 1 < r){
        int m = (l + r) / 2 ;
        if(p[m] <= L / 2) l = m ;
        else r = m ;
    }
    for(int i = 0 ; i <= N ; i ++){
        long long s = 0 ;
        for(int j = l ; j >=0 ; j -= K){
            s = s + 2 * p[j];
            if(p[j] > L / 2){
                cout << 1 / 0 ;
            }
        }
        for(int j = r ; j < N ; j += K){
            s = s + 2 * (L - p[j]);
            if(p[j] <= L / 2){
                cout << 1 / 0 ;
            }
        }
        ans = min(ans , i * L + s);
        for(int j = 1 ; j <= K ; j ++){
            if(l >= 0 && r < N){
                if(L / 2 - p[l] <= p[r] - L / 2){
                    l -- ;
                }
                else r ++ ;
            }
            else if(l >= 0)
                l -- ;
            else if(r < N)
                r ++ ;
        }
    }
    return ans ;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:18:27: warning: division by zero [-Wdiv-by-zero]
                 cout << 1 / 0 ;
                         ~~^~~
boxes.cpp:24:27: warning: division by zero [-Wdiv-by-zero]
                 cout << 1 / 0 ;
                         ~~^~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Incorrect 2 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Incorrect 2 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Incorrect 2 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Incorrect 2 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -