oj.uz

Submission #830689

# Submission time Handle Problem Language Result Execution time Memory
830689 2023-08-19T09:27:57 Z drdilyor Boxes with souvenirs (IOI15_boxes) C++17
0 / 100
 1 ms 300 KB 
#include<bits/stdc++.h>
#include "boxes.h"
using ll = long long;
using namespace std;

long long delivery(int n, int k, int len, int p[]) {
    int mid1 = len / 2;
    int mid2 = (len+1) / 2;

    ll res = 0;
    int li = -1, ri = n;
    for (int i =0; i < n; i++) {
        if (p[i] > mid1) break;
        if (i % k == k-1) {
            li = i;
            res += p[i] * 2;
        }
    }
    for (int i = 0; i < n; i++) {
        int j = n - i - 1;
        if (p[j] < mid2) break;
        if (i % k == k-1) {
            ri = j;
            res += (n - p[j]) * 2;
        }
    }
    const ll infl = 1e18;
    int cnt = ri - li - 1;
    if (cnt <= k) {
        res += min({len, p[li+1] * 2, (len - p[ri-1]) * 2});
    } else {
        res += len + min({len, p[li + k + 1] * 2, (len - p[ri - k - 1]) * 2});
    }
    return res;
}

Compilation message

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:27:14: warning: unused variable 'infl' [-Wunused-variable]
   27 |     const ll infl = 1e18;
      |              ^~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 300 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -