FlandreScarle7/Codeforces-SolutionsA
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added 1981B

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ShazidMahsrafi 2024-06-01 21:06:17 +06:00
parent 164f041317
commit e040c068a4
2 changed files with 33 additions and 0 deletions
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Codes/1981 B - Turtle and an Infinite Sequence/1981B.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 n,m;
cin>>n>>m;
ll l=max(0LL,n-m), r= n+m, ans=0;
for(int i=0; i<32; ++i)
{
ll p=l/(1<<i);
ll q=r/(1<<i);
if(p&1 || q&1 || p!=q)
ans |= (1<<i);
}
cout<<ans<<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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@ -329,6 +329,7 @@ This repository contains my solutions of Codeforces problems. They are in C++ la
| 317 | 1976 A | Verify Password | [Question](https://codeforces.com/problemset/problem/1976/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1976%20A%20-%20Verify%20Password)
| 318 | 1976 B | Increase Decrease Copy | [Question](https://codeforces.com/problemset/problem/1976/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1976%20B%20-%20Increase%20Decrease%20Copy)
| 319 | 1981 A | Turtle and Piggy Are Playing a Game | [Question](https://codeforces.com/problemset/problem/1981/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1981%20A%20-%20Turtle%20and%20Piggy%20Are%20Playing%20a%20Game)
| 320 | 1981 B | Turtle and an Infinite Sequence | [Question](https://codeforces.com/problemset/problem/1981/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1981%20B%20-%20Turtle%20and%20an%20Infinite%20Sequence)