제출 #613367

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
613367	2022-07-30 04:47:12	penguinhacker	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	1070 ms	15756 KiB

biscuits

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#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
ll count_tastiness(ll x, vector<ll> a) {
  map<ll, ll> dp;
  dp[0]=1;
  for (int i=0; i<a.size()||dp.size()>1; ++i) {
    map<ll, ll> dp2;
    for (auto b : dp) {
      ll cur=b.first+(i<a.size()?a[i]:0);
      dp2[cur/2]+=b.second;
      if (cur>=x)
        dp2[(cur-x)/2]+=b.second;
    }
    swap(dp, dp2);
  }
  return dp[0];
}
 
 
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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:11:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for (int i=0; i<a.size()||dp.size()>1; ++i) {
      |                ~^~~~~~~~~
biscuits.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |    ll cur=b.first+(i<a.size()?a[i]:0);
      |                    ~^~~~~~~~~

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