Submission #696221

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
696221	2023-02-05 22:35:26	Deepesson	Self Study (JOI22_ho_t2)	C++17	100 / 100	387 ms	16056 KiB

Main

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#include <bits/stdc++.h>
#define MAX 305000
using ll = long long;
__int128 A[MAX],B[MAX];
__int128 N,M;
__int128 teto(__int128 a,__int128 b){
    ll c = a/b;
    if(a%b)++c;
    return c;
}
bool possivel(__int128 x){
    __int128 sum=0;
    for(int i=0;i!=N;++i){
        __int128 necessario = teto(x,A[i]);
        __int128 gastar = std::min(necessario,M);
        __int128 falta = x-(gastar*A[i]);
        if(falta>0){
            ll precisa = teto(falta,B[i]);
            sum-=precisa;
        }else {
            ll sobra = M-gastar;
            sum+=sobra;
        }
    }
    return sum>=0;
}
 
 
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• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 9 / 9