Submission #998054

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;
using D = double;
using uint = unsigned int;

#ifdef WIN32
    #define LLD "%I64d"
#else
    #define LLD "%lld"
#endif

#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second

const int maxn = 100005;
const int maxk = 305;

deque<pair<ll, int>> curmax[maxk];

ll del[2 * maxn][maxk];
int a[maxn];
int n, m, k;

int main()
{
    scanf("%d%d%d", &n, &m, &k);
    for (int i = 0; i < n; i++) scanf("%d", &a[i]);
    for (int i = 0; i < k; i++) curmax[i].push_back({-1e18 * (i > 0), -1});
    ll answer = 0;
    for (int i = 0; i < n; i++)
    {
        for (int j = k - 1; j >= 0; j--)
        {
//             cout << curmax[j].size() << endl;
            ll curans;
            if (j > 0) {
                while (curmax[j].front().se < i - m) curmax[j].pop_front();
                curans = curmax[j].front().fi + (ll)(j + 1) * a[i];
            } else curans = a[i];
            if (j + 1 == k) answer = max(answer, curans);
            while (!curmax[j + 1].empty() && curmax[j + 1].back().fi <= curans) curmax[j + 1].pop_back();
            curmax[j + 1].push_back({curans, i});
        }
    }
    cout << answer << endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:33:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &m, &k);
                                ^
./Main.cpp:34:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < n; i++) scanf("%d", &a[i]);
                                                   ^

Judge Result