Submission #858859

#	Time	Username	Problem	Language	Result	Execution time	Memory
858859		alexdumitru	Peru (RMI20_peru)	C++14	Compilation error	0 ms	0 KiB

peru

#include <bits/stdc++.h>

using namespace std;

const int MOD = 1e9 + 7;

int solve(int n, int k, int *s)
{
    int deq[n], dp[n];
    int l = 0, r = -1, mul = 1, ans = 0;
    for(int i = 0; i < n; i++)
    {
        while(r >= l && s[deq[r]] <= s[i]) r--;
        deq[++r] = i;
        if(deq[l] <= i - k) l++;
        int nextDp = i >= k ? dp[i - k] : 0;
        dp[i] = (nextDp + s[deq[l]]) % MOD;
    }
    for(int i = n - 1; i >= 0; i--)
    {
        ans = (1LL * ans + 1LL * dp[i] * mul % MOD) % MOD;
        mul = (1LL * mul * 23) % MOD;
    }
    return ans;
}

int main()
{
    int n, k;
    cin >> n >> k;
    int *a = new int[n];
    for(int i = 0; i < n; i++)
        cin >> a[i];
    cout << solve(n, k, a) << '\n';
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccgWWzg9.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccoAVzv6.o:peru.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status