Submission #400002

#	Time	Username	Problem	Language	Result	Execution time	Memory
400002		faresbasbs	Packing Biscuits (IOI20_biscuits)	C++14	21 / 100	1095 ms	52564 KiB

biscuits

#include <bits/stdc++.h>
#include "biscuits.h"
using namespace std;
map<pair<int,long long>,long long> dp;
vector<long long> a;
long long x;

long long ans(long long curr , long long val){
	if(curr == a.size()){
		return 1;
	}
	val += a[curr];
	if(dp.find({curr,val}) != dp.end()){
		return dp[{curr,val}];
	}
	long long ret = ans(curr+1,val/2);
	if(val >= x){
		ret += ans(curr+1,(val-x)/2);
	}
	return dp[{curr,val}] = ret;
}

long long count_tastiness(long long X , vector<long long> A){
	dp.clear();
	a = A , x = X;
	while(a.size() < 60){
		a.push_back(0ll);
	}
	return ans(0,0);
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int ans(long long int, long long int)':
biscuits.cpp:9:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  if(curr == a.size()){
      |     ~~~~~^~~~~~~~~~~

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