Submission #724872

#	Time	Username	Problem	Language	Result	Execution time	Memory
724872		MohamedAliSaidane	Packing Biscuits (IOI20_biscuits)	C++14	Compilation error	0 ms	0 KiB

biscuits

#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;

typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int,int> pii;
typedef vector<pii> vpi;

#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(),(x).end()

const ll MOD = 1e9 + 7, INF = 1e18;
ll mod(ll x, ll m = MOD) {return (x + m) % m;}

int n;
ll x, tot = 0ll;
vll A;
bool check(ll s)
{
    vll B = A;
    for(int i =0; i < x; i++)
    {
        ll cur = s;
        for(int j = n - 1; j >= 0; j--)
        {
            ll q = min(B[j], cur/(1 << j));
            cur -= q * (1 << j);
            B[j] -= q;
        }
        if(cur > 0)
            return false;
    }
    return true;
}
ll sub1()
{
    int ans = 0;
    for(int i =0; i <= tot/x; i++)
    {
        if(i == 0 || check(i))
            ans++;
    }
    return ans;
}
map<ll,ll> dp[100];

ll f(int i, ll sum)
{
    if(i == n - 1)
        return 1ll;
    if(dp[i].find(sum) != dp[i].end())
        return dp[i][sum];
    if(sum > 0)
        return dp[i][sum] = f(i + 1, sum/2ll + A[i + 1]) + f(i + 1, (sum - 1)/2ll + A[i + 1]);
    else
        return dp[i][sum] = f(i + 1, A[i + 1]);
}
ll count_tastiness(ll X, vll a)
{
    x = X;
    A = a;
    n = (int)(a.size());
    while(n < 100)
    {
        A.pb(0ll);
        n++;
    }
    return f(0, a[0]);


}

int32_t main()
{
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    cout << count_tastiness(1, {2, 1, 2});
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccuKB0JB.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYSUmSA.o:biscuits.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status