Submission #51656

#	Time	Username	Problem	Language	Result	Execution time	Memory
51656		gs13105	오렌지 출하 (JOI16_ho_t1)	C++17	100 / 100	96 ms	924 KiB

2016_ho_t1

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cassert>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <iterator>

using namespace std;

int arr[20010];
long long mem[20010];

int main()
{
    //freopen("in", "r", stdin);
    //freopen("out", "w", stdout);

    int n, m, k, i, j;
    scanf("%d%d%d", &n, &m, &k);
    for(i = 1; i <= n; i++)
        scanf("%d", &arr[i]);

    mem[0] = 0;
    for(i = 1; i <= n; i++)
        mem[i] = 1e14;

    for(i = 1; i <= n; i++)
    {
        int mx = arr[i];
        int mn = arr[i];
        for(j = i; j > i - m && j >= 1; j--)
        {
            mx = max(arr[j], mx);
            mn = min(arr[j], mn);

            long long r = k + 1LL * (i - j + 1) * (mx - mn) + mem[j - 1];
            mem[i] = min(r, mem[i]);
        }
    }

    printf("%lld\n", mem[n]);
    return 0;
}

Compilation message (stderr)

2016_ho_t1.cpp: In function 'int main()':
2016_ho_t1.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
2016_ho_t1.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &arr[i]);
         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 50 / 50
• Subtask 3: 30 / 30