제출 #987310

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
987310		AdamGS	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	2 ms	600 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<ll>T;
map<pair<ll,ll>,ll>mp;
ll x;
ll solve(ll a, ll b) {
  if(a==T.size()) return 1;
  b+=T[a];
  if(mp.find({a, b})!=mp.end()) return mp[{a, b}];
  if(a==T.size()) return 1;
  mp[{a, b}]=solve(a+1, b/2);
  if(b>=x) mp[{a, b}]+=solve(a+1, (b-x)/2);
  return mp[{a, b}];
}
ll count_tastiness(ll _x, vector<ll>_T) {
  map<pair<ll,ll>,ll>xd;
  swap(mp, xd);
  T=_T;
  x=_x;
  return solve(0, 0);
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'll solve(ll, ll)':
biscuits.cpp:14:7: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   if(a==T.size()) return 1;
      |      ~^~~~~~~~~~
biscuits.cpp:17:7: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   if(a==T.size()) return 1;
      |      ~^~~~~~~~~~

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