feat: Add solutions for Codeforces problems 1968C and 1968D

Codes/1968 C - Assembly via Remainders/1968C.cpp

@@ -0,0 +1,33 @@
+#include <bits/stdc++.h>
+using namespace std;
+#define ll long long
+#define endl '\n'
+#define sz(x) (int)(x).size()
+#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
+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;
+    cin>>n;
+    vector<ll>v(n-1),ans;
+    for(auto &i:v)  cin>>i;
+    ans.push_back(v.back());
+    ans.push_back(1e9);
+    for(ll i=n-3; i>=0; --i)    ans.push_back(ans.back()-v[i]);
+    reverse(ans.begin(),ans.end());
+    for(auto x:ans)   cout<<x<<" ";
+    cout<<endl;
+}
+
+signed main()
+{
+    FAST;
+    int TCS = 1;
+    cin >> TCS;
+    for (int TC = 1; TC <= TCS; ++TC)
+    {
+        // cout<<"Case "<<TC<<": ";
+        solve();
+    }
+}

Codes/1968 D - Permutation Game/1968D.cpp

@@ -0,0 +1,57 @@
+#include <bits/stdc++.h>
+using namespace std;
+#define ll long long
+#define endl '\n'
+#define FAST (ios_base::sync_with_stdio(false), cin.tie(nullptr));
+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 find(vector<ll>&p, vector<ll>&a, vector<ll>&path, ll pos)
+{
+    vector<bool>vis(p.size());
+    while(!vis[pos - 1])
+    {
+        vis[pos - 1] = 1;
+        path.push_back(a[pos - 1]);
+        pos = p[pos - 1];
+    }
+}
+
+ll score(vector<ll>&path, ll k)
+{
+    ll sum = 0,mx = 0,cur;
+    for(ll i = 0; i < path.size(); ++i)
+    {
+        if( k < i + 1)  break;
+        cur = sum + path[i] * (k-i);
+        mx = max(mx,cur);
+        sum += path[i];
+    }
+    return mx;
+}
+
+void solve()
+{
+    ll n, k, pb, ps;
+    cin >> n >> k >> pb >> ps;
+    vector<ll>p(n), a(n), pathB, pathS;
+    for (auto &i : p)  cin >> i;
+    for (auto &i : a)  cin >> i;
+    find(p, a, pathB, pb);
+    find(p, a, pathS, ps);
+    ll bs = score(pathB,k), ss = score(pathS,k);
+    if(bs == ss)  cout << "Draw" << endl;
+    else if(bs > ss)  cout << "Bodya" << endl;
+    else cout << "Sasha" << endl;
+}
+
+signed main()
+{
+    FAST;
+    int TCS = 1;
+    cin >> TCS;
+    for (int TC = 1; TC <= TCS; ++TC)
+    {
+        // cout<<"Case "<<TC<<": ";
+        solve();
+    }
+}

Readme.md

@@ -308,8 +308,10 @@ This repository contains my solutions of Codeforces problems. They are in C++ la
 | 296 | 1957 C | How Does the Rook Move | [Question](https://codeforces.com/problemset/problem/1957/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1957%20C%20-%20How%20Does%20the%20Rook%20Move)
 | 297 | 1968 A | Maximize | [Question](https://codeforces.com/problemset/problem/1968/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1968%20A%20-%20Maximize)
 | 298 | 1968 B | Prefiquence | [Question](https://codeforces.com/problemset/problem/1968/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1968%20B%20-%20Prefiquence)
-| 299 | 1969 A | Two Friends | [Question](https://codeforces.com/problemset/problem/1969/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1969%20A%20-%20Two%20Friends)
+| 299 | 1968 C | Assembly via Remainders | [Question](https://codeforces.com/problemset/problem/1968/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1968%20C%20-%20Assembly%20via%20Remainders)
-| 300 | 1969 B | Shifts and Sorting | [Question](https://codeforces.com/problemset/problem/1969/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1969%20B%20-%20Shifts%20and%20Sorting)
+| 300 | 1968 D | Permutation Game | [Question](https://codeforces.com/problemset/problem/1968/D) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1968%20D%20-%20Permutation%20Game)
+| 301 | 1969 A | Two Friends | [Question](https://codeforces.com/problemset/problem/1969/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1969%20A%20-%20Two%20Friends)
+| 302 | 1969 B | Shifts and Sorting | [Question](https://codeforces.com/problemset/problem/1969/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1969%20B%20-%20Shifts%20and%20Sorting)