Submission #1052394

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052394		mychecksedad	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1 ms	348 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long int
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define pii pair<int,int>
#define ff first
#define ss second

long long count_tastiness(long long x, std::vector<long long> a) {
	a.resize(a.size() + 2);
	for(int i = 0; i + 1 < a.size(); ++i){
		if(a[i] > x) a[i + 1] += (a[i]-x)/2;
	}

	ll k = a.size();

	vector<vector<int>> v;
	for(int i = 0; i < k; ++i){
		if(a[i] >= 1){
			if(i == 0 || a[i - 1] == 0) v.pb({a[i]});
			else v.back().pb(a[i]);
		}
	}
	ll ans = 1;
	for(auto u: v){
		ll x = 1;
		for(int i = u.size() - 1; i >= 0; --i){
			x *= 2;
			if(u[i] == 2) x += 1;
		}
		ans *= x;
	}

	return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for(int i = 0; i + 1 < a.size(); ++i){
      |                 ~~~~~~^~~~~~~~~~
biscuits.cpp:23:43: warning: narrowing conversion of 'a.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)i))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing]
   23 |    if(i == 0 || a[i - 1] == 0) v.pb({a[i]});
      |                                           ^
biscuits.cpp:23:43: warning: narrowing conversion of 'a.std::vector<long long int>::operator[](((std::vector<long long int>::size_type)i))' from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' [-Wnarrowing]

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