Submission #1069476

#	Time	Username	Problem	Language	Result	Execution time	Memory
1069476		HD1	Packing Biscuits (IOI20_biscuits)	C++14	12 / 100	1 ms	348 KiB

biscuits

#include "biscuits.h"
#include <iostream>
using namespace std;

long long count_tastiness(long long x, std::vector<long long> a) {
    long long ans = 1;
    for(int i = 0;i < a.size(); i++){
        if(a[i] > 2) {
            if(i == a.size()-1)
                a.push_back((a[i]-1)/2);
            else
                a[i+1] += (a[i]-1)/2;
            a[i] = a[i] - ((a[i]-1)/2)*2;
        }
    }
    
    a.push_back(0);
    long long ini = -1,suma = 0;
    for(int i = 0;i < a.size(); i++){
        if(a[i]>0 && ini == -1) ini = i;
        if(a[i] == 2) suma += 1LL<<(i-ini);
        if(a[i] == 0 && ini != -1){
            suma += 1LL << (i - ini);
            ini = -1;
            ans *= suma;
            suma = 0;
        }
    }
    return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:7:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i = 0;i < a.size(); i++){
      |                   ~~^~~~~~~~~~
biscuits.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |             if(i == a.size()-1)
      |                ~~^~~~~~~~~~~~~
biscuits.cpp:19:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i = 0;i < a.size(); i++){
      |                   ~~^~~~~~~~~~

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