Submission #617834

#	Time	Username	Problem	Language	Result	Execution time	Memory
617834		someone	Packing Biscuits (IOI20_biscuits)	C++14	12 / 100	2 ms	340 KiB

biscuits

//#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

const long long N = 100, M = (1 << 15) + 42;

bool b[M];
long long nb[N];

long long count_tastiness(long long x, vector<long long> a) {
    for(int i = 0; i < N; i++)
        nb[i] = 0;
    for(int i = 0; i < (int)a.size(); i++)
        nb[i] = a[i];
    for(int i = 0; i < N-1; i++) {
        if(nb[i] > x + 1) {
            long long add = (nb[i] - x) / 2;
            nb[i+1] += add;
            nb[i] -= 2 * add;
        }
    }
    if(x == 1) {
        long long ans = 1, sum = 0;
        for(int i = N-1; i > -1; i--) {
            if(nb[i] == 0) {
                ans *= sum + 1;
                sum = 0;
            } else {
                sum = 2 * sum + nb[i];
            }
        }
        ans *= sum + 1;
        return ans;
    }
    return -1;
}

• Subtask 1: 0 / 9
• Subtask 2: 12 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23