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Add solution for Codeforces problem 1985F

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ShazidMahsrafi 2024-06-12 22:48:15 +06:00
parent 9c455619ee
commit acb7f7a2e4
2 changed files with 53 additions and 0 deletions
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52
Codes/1985 F - Final Boss/1985F.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
ll pow(ll x,ll y,ll m=1e9+7){ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
void solve()
{
ll h,n;
cin>>h>>n;
vector<int>a(n);
vector<int>b(n);
for(auto &i:a)
{
cin>>i;
h -=i;
}
for(auto &i:b) cin>>i;
if(h<=0)
{
cout<<1<<endl;
return;
}
ll l=0, r=h*2e5, ans;
while(l<=r)
{
ll mid = l + (r-l)/2;
ll s=0;
for(int i=0; i<n; ++i)
s += (mid/b[i])*a[i];
if(h-s<=0)
{
ans=mid;
r=mid-1;
}
else
l = mid+1;
}
cout<<ans+1<<endl;
}
signed main()
{
ios_base::sync_with_stdio(false), cin.tie(nullptr);
int TCS = 1;
cin >> TCS;
for (int TC = 1; TC <= TCS; ++TC)
{
// cout<<"Case "<<TC<<": ";
solve();
}
}

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Readme.md
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@ -344,6 +344,7 @@ This repository contains my solutions of Codeforces problems. They are in C++ la
| 332 | 1985 C | Good Prefixes | [Question](https://codeforces.com/problemset/problem/1985/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1985%20C%20-%20Good%20Prefixes)
| 333 | 1985 D | Manhattan Circle | [Question](https://codeforces.com/problemset/problem/1985/D) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1985%20D%20-%20Manhattan%20Circle)
| 334 | 1985 E | Secret Box | [Question](https://codeforces.com/problemset/problem/1985/E) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1985%20E%20-%20Secret%20Box)
| 335 | 1985 F | Final Boss | [Question](https://codeforces.com/problemset/problem/1985/F) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1985%20F%20-%20Final%20Boss)