제출 #376362

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
3763622021-03-11 10:06:46Jarif_Rahman비스킷 담기 (IOI20_biscuits)C++17
0 / 100
1163 ms1051104 KiB
#include "biscuits.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef unsigned long long int ll;
typedef string str;
const int kk = 60;
long long count_tastiness(long long x, vector<long long> aa){
vector<ll> a(kk);
int k = aa.size();
for(int i = 0; i < k; i++) a[i] = aa[i];
ll ans = 0;
vector<ll> s(kk, 0);
for(int i = 0; i < kk; i++){
if(i != 0) s[i] = s[i-1];
s[i]+=a[i]*(1LL<<i);
}
vector<ll> v;
v.pb({0});
for(int i = 0; i < kk; i++){
ll mx = s[i]/x-mx, p = 1;
p<<=i;
mx-=p;
int in = upper_bound(v.begin(), v.end(), mx) - v.begin();
for(int j = 0; j < in; j++) v.pb(v[j]+p);
}
return v.size();
}
 
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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:14:8: warning: unused variable 'ans' [-Wunused-variable]
   14 |     ll ans = 0;
      |        ^~~
biscuits.cpp:23:12: warning: 'mx' may be used uninitialized in this function [-Wmaybe-uninitialized]
   23 |         ll mx = s[i]/x-mx, p = 1;
      |            ^~
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