Submission #348685

#	Time	Username	Problem	Language	Result	Execution time	Memory
348685		idk321	Rice Hub (IOI11_ricehub)	C++11	Compilation error	0 ms	0 KiB

ricehub

#include "ricehub.h"

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 100005;
int pos[N];
ll sum[N];

int n;
long long money;

bool poss(int len)
{
    ll cost = 0;
    int a = 0;
    int b = len - 1;
    int mid = (a + b) / 2;

    //cout << len << " " << cost << " " << money << endl;
    while (b < n)
    {
        cost = 0;
        if (a != mid) cost -= sum[mid - 1];
        if (a != 0) sum += sum[a - 1];
        sum += sum[b];
        sum -= sum[mid];
        mid++;
        a++;
        b++;
        if (cost <= money) return true;
    }

    return false;
}

int binarySearch()
{
    int a = 1;
    int b = n;
    int res = -1;
    while (a <= b)
    {
        int mid = (a + b) / 2;
        if (poss(mid))
        {
            res = mid;
            a = mid + 1;
        } else
        {
            b = mid - 1;
        }
    }

    return res;
}

int besthub(int n1, int l, int x[], long long money1)
{
    money = money1;
    n = n1;
    for (int i = 0; i < n; i++)
    {
        pos[i] = x[i];
    }
    for (int i = 0; i < n; i++)
    {
        sum[i] += pos[i];
        if (i != 0) sum[i] += sum[i - 1];
    }

  return binarySearch();
}

Compilation message (stderr)

ricehub.cpp: In function 'bool poss(int)':
ricehub.cpp:28:37: error: incompatible types in assignment of 'll' {aka 'long long int'} to 'll [100005]' {aka 'long long int [100005]'}
   28 |         if (a != 0) sum += sum[a - 1];
      |                                     ^
ricehub.cpp:29:21: error: incompatible types in assignment of 'll' {aka 'long long int'} to 'll [100005]' {aka 'long long int [100005]'}
   29 |         sum += sum[b];
      |                     ^
ricehub.cpp:30:23: error: incompatible types in assignment of 'll' {aka 'long long int'} to 'll [100005]' {aka 'long long int [100005]'}
   30 |         sum -= sum[mid];
      |                       ^