이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
const int nmax=64;
long long inp[nmax],mem_x;
long long rec()
{
vector< pair<long long/*high*/,long long/*dp*/> > seen={},help;
seen.push_back({0,1});
for(int bit=0;bit<60;bit++)
{
help={};
for(auto w:seen)
{
long long high=w.first+inp[bit];
help.push_back({high/2,w.second});
if(high>=mem_x)help.push_back({(high-mem_x)/2,w.second});
}
sort(help.begin(),help.end());
seen={};
for(auto w:help)
{
if(seen.size()==0)seen.push_back(w);
else if(seen.back().first==w.first)seen[seen.size()-1].second+=w.second;
else seen.push_back(w);
}
}
long long ret=0;
for(auto w:seen)
ret+=w.second;
return ret;
/*
if(bit==60)return 1;
high=high+inp[bit];
if(seen[bit].count(high))return seen[bit][high];
long long ret=0;
//0
ret=ret+rec(bit+1,high/2);
//1
if(high>=mem_x)ret=ret+rec(bit+1,(high-mem_x)/2);
seen[bit][high]=ret;
//cout<<"f "<<bit<<" , "<<high<<" = "<<ret<<endl;
return ret;
*/
}
long long count_tastiness(long long x, std::vector<long long> a) {
mem_x=x;
for(int i=0;i<60;i++)
{
inp[i]=0;
}
for(int i=0;i<a.size();i++)inp[i]=a[i];
long long ret=rec();
//for(int i=0;i<59;i++)cout<<i<<" -> "<<seen[i].size()<<endl;
return ret;
}
/*
int main() {
int q;
assert(scanf("%d", &q) == 1);
vector<int> k(q);
vector<long long> x(q);
vector<vector<long long>> a(q);
vector<long long> results(q);
for (int t = 0; t < q; t++) {
assert(scanf("%d%lld", &k[t], &x[t]) == 2);
a[t] = vector<long long>(k[t]);
for (int i = 0; i < k[t]; i++) {
assert(scanf("%lld", &a[t][i]) == 1);
}
}
fclose(stdin);
for (int t = 0; t < q; t++) {
results[t] = count_tastiness(x[t], a[t]);
}
for (int t = 0; t < q; t++) {
printf("%lld\n", results[t]);
}
fclose(stdout);
return 0;
}
*/
컴파일 시 표준 에러 (stderr) 메시지
biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
72 | for(int i=0;i<a.size();i++)inp[i]=a[i];
| ~^~~~~~~~~
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