結果

問題 No.2099 [Cherry Alpha B] Time Machine
ユーザー momoyuumomoyuu
提出日時 2022-10-14 23:33:57
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 77 ms / 2,000 ms
コード長 1,838 bytes
コンパイル時間 3,012 ms
コンパイル使用メモリ 243,504 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-06-26 17:28:08
合計ジャッジ時間 6,159 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 72
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
template<class t> using vc = vector<t>;
template<class t> using vvc = vc<vc<t>>;
using pi = pair<int,int>;
using pl = pair<ll,ll>;
using vi = vc<int>;
using vvi = vvc<int>;
using vl = vc<ll>;
using vvl = vvc<ll>;
#define rep(i,a,b) for (int i = (int)(a); i < (int)(b); i++)
#define irep(i,a,b) for (int i = (int)(a); i > (int)(b); i--)
#define all(a) a.begin(),a.end()
#define print(n) cout << n << '\n'
#define pritn(n) print(n)
#define printv(n,a) {copy(all(n),ostream_iterator<a>(cout," ")); cout<<"\n";}
#define printvv(n,a) {for(auto itr:n) printv(itr,a);}
#define rup(a,b) (a+b-1)/b
#define input(A,N) rep(i,0,N) cin>>A[i]
#define chmax(a,b) a = max(a,b)
#define chmin(a,b) a = min(a,b)
int main(){
cout << fixed << setprecision(15);
ll t;
cin>>t;
ll x,a,y,b;
cin>>x>>a>>y>>b;
ll ans = (ll(1e14));
if(t>=0){
ans = t;
ll ni = 0;
ni--;
while(1){
ni++;
ll now = ni * y;
if(now>ans) break;
ll need = t + ni * b;
chmin(ans,need+now);
ll d = need / a;
ll ni = need % a;
chmin(ans,now+ni+d*x);
}
}else{
ll now = 0;
ll ni = 0;
while(now>t){
now -= b;
ni++;
}
ni--;
now += b;
while(1){
ni++;
now -= b;
ll nn = ni * y;
//cout<<ans<<" "<<nn<<" "<<ni<<endl;
if(nn>ans) break;
ll need = t - now;
chmin(ans,nn+need);
ll d = need / a;
ll ni = need % a;
chmin(ans,nn+ni+d*x);
}
}
print(ans);
//system("pause");
return 0;
}
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