Submission #425594

#	Time	Username	Problem	Language	Result	Execution time	Memory
425594		muhammad_hokimiyon	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	117 ms	332 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>

using namespace std;

long long count_tastiness(long long x, std::vector<long long> a) {
        long long ans = 1;
        vector<vector<long long>> d(101, vector<long long>(2, 0ll));
        while((int)a.size() < 70)a.push_back(0ll);
        if(a[0] > 0)d[0][0] = 1,ans++;
        for(int i = 1; i < 61; i++){
                for(int j = i - 1; j >= 0; j--){
                        for(int g = 0; g < 2; g++){
                                long long x = 0;
                                for(int h = i - g; h > j; h--){
                                        x += (1ll << h) * a[h];
                                }
                                if(a[j] > 0)x += (1ll << j) * (a[j] - 1ll);
                                if(x >= (1ll << i))d[i][g] += d[j][0];
                                if(a[j] > 0)x += (1ll << j);
                                if(x >= (1ll << i))d[i][g] += d[j][1];
                        }
                }
                long long x = 0;
                for(int j = 0; j <= i; j++){
                        x += (1ll << j) * a[j];
                }
                if(x >= (1ll << i))d[i][0]++;
                x -= (1ll << i) * a[i];
                if(x >= (1ll << i))d[i][1]++;
                ans += d[i][0] + d[i][1];
        }
        return ans;
}

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