Submission #481757

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
481757	2021-10-21T16:22:09 Z	uHyHn	Rice Hub (IOI11_ricehub)	C++14	Compilation error	0 ms	0 KB

ricehub

#include<bits/stdc++.h>

//IBOW
#define Task "RiceHub"
#define DB(X) { cerr << #X << " = " << (X) << '\n'; }
#define DB1(A, _) { cerr << #A << "[" << _ << "] = " << (A[_]) << '\n'; }
#define DB2(A, _, __) { cerr << #A << "[" << _ << "][" << __ << "] = " << (A[_][__]) << '\n'; }
#define DB3(A, _, __, ___) { cerr << #A << "[" << _ << "][" << __ << "][" << ___ << "] = " << (A[_][__][___]) << '\n'; }
#define pb push_back
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define eb emplace_back

using namespace std;

typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ii, int> iii;

const int N = 2e5 + 10;
const int inf = 2e9 + 10;
const ll INF = 2e18 + 10;
const int MOD = 1e9 + 7;

int n, L, x[N], B, pre[N];

bool ok(int va)
{
    int mn = inf;
    for (int i = va; i <= n; ++i)
    {
        int tv = (pre[i] - pre[i - va]) / va + ((pre[i] - pre[i - va]) % va > 0);
        int pos = upper_bound(x + i - va + 2, x + i + 1, tv) - x - 1;
        mn = min(mn, (tv * (pos - i + va) - pre[pos] + pre[i - va]) + (pre[i] - pre[pos] - tv * (i - pos)));
    }
    return mn <= B;
}
int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    if (fopen(Task".inp", "r"))
    {
        freopen(Task".inp", "r", stdin);
//        freopen(Task".out", "w", stdout);
    }
    cin >> n >> L >> B;
    for (int i = 1; i <= n; ++i) cin >> x[i], pre[i] = pre[i - 1] + x[i];
    int L = 1, R = 1e9, ans = -1;
    while (L <= R)
    {
        int mid = (L + R) / 2;
        if (ok(mid)) L = mid + 1, ans = mid;
        else R = mid - 1;
    }
    cout << ans;
    return 0;
}

Compilation message

ricehub.cpp: In function 'int32_t main()':
ricehub.cpp:45:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |         freopen(Task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccB4KafU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccE4dEtX.o:ricehub.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccB4KafU.o: in function `main':
grader.cpp:(.text.startup+0xae): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status