Submission #1032572

#	Time	Username	Problem	Language	Result	Execution time	Memory
1032572		socpite	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	1 ms	348 KiB

boxes

#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;

const int maxn = 1e7+5;
const long long INF = 1e18;

long long cnt[maxn], ans[maxn], dp[maxn];

long long delivery(int N, int K, int L, int p[]) {
    sort(p, p+N);
    long long re = 0;
    for(int i = 0; i < N; i++){
        N -= (p[i] == 0);
        re += 2*min(p[i], L - p[i]);
    }
    // if(N == 0)return 0;
    // int crr = 0;
    // for(int i = 0; i < N; i++){
    //     if(p[i]==0)continue;
    //     dp[crr++%K] += p[i] + min(p[i], L - p[i]);
    //     ans[crr] = dp[(crr-1)%K];
    // }
    // memset(dp, 0, sizeof(dp));
    // crr = 0;
    // for(int i = N-1; i >= 0; i--){
    //     if(p[i]==0)continue;
    //     dp[crr++%K] += L - p[i] + min(p[i], L - p[i]);
    //     re = min(re, dp[(crr-1)%K] + ans[N - crr]);
    // }
    return re;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:10:31: warning: unused parameter 'K' [-Wunused-parameter]
   10 | long long delivery(int N, int K, int L, int p[]) {
      |                           ~~~~^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30