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‎CODE CHEF/CATHIEF.cpp

+38
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#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
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#define pi acos(-1.0)
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#define ll long long
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#define EPS 1e-12
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#define mx 210
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#define gcd(a,b) __gcd(a,b)
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#define lcm(a,b) (a*(b/gcd(a,b)))
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#define vii vector<int>
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#define vll vector<ll>
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#define pii pair<int,int>
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#define pll pair<ll,ll>
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#define mii map<int,int>
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#define mll map<ll,ll>
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#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
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#define pb push_back
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#define mp make_pair
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using namespace std;
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///cout<<"Case "<<z++<<": "<<__<<endl;
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int main()
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{
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ll x;
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cin>>x;
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while(x--)
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{
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ll a,b,c,d,e;
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cin>>a>>b>>c>>d;
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if(abs(a-b)%(2*c)==0)
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{
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cout<<"Yes"<<endl;
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}
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else
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cout<<"No"<<endl;
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}
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}

‎CODE CHEF/CYBV.cpp

+34
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1+
#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
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#define pi acos(-1.0)
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#define ll long long
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#define EPS 1e-12
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#define mx 2000005
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#define vii vector<int>
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#define vll vector<ll>
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#define pii pair<int,int>
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#define pll pair<ll,ll>
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#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
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#define pb push_back
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#define mp make_pair
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using namespace std;
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int main()
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{
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int x;
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cin>>x;
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while(x--)
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{
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ll y,z;
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cin>>y>>z;
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int d;
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if(z<y)
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{
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d=0;
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}
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d = z/y;
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cout<<d<<endl;
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}
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}

‎CODE CHEF/DECODEIT.cpp

+65
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1+
#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
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#define pi acos(-1.0)
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#define ll long long
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#define EPS 1e-12
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#define mx 210
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#define gcd(a,b) __gcd(a,b)
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#define lcm(a,b) (a*(b/gcd(a,b)))
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#define vii vector<int>
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#define vll vector<ll>
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#define pii pair<int,int>
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#define pll pair<ll,ll>
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#define mii map<int,int>
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#define mll map<ll,ll>
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#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
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#define pb push_back
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#define mp make_pair
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using namespace std;
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///cout<<"Case "<<z++<<": "<<__<<endl;
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int main()
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{
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ll x;
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cin>>x;
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while(x--)
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{
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string pp="";
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string ans;
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int aa;
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string aaa;
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cin>>aa>>aaa;
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string bb="abcdefghijklmnop";
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for(int i=0; i<aa; i+=4)
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{
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int xx=0,uu=0;
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ans = bb;
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int j=i,tt=4;
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while(tt>0)
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{
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if(aaa[j]=='1')
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{
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xx=ans.size();
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xx/=2;
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ans.erase(0,xx);
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}
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else
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{
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uu = ans.length();
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xx=ans.size();
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xx/=2;
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ans.erase(xx,uu);
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}
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tt--;
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j++;
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}
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pp+=ans;
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}
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cout<<pp<<endl;
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}
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}

‎CODE CHEF/DIVTHREE.cpp

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#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
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#define pi acos(-1.0)
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#define ll long long
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#define EPS 1e-12
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#define mx 210
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#define gcd(a,b) __gcd(a,b)
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#define lcm(a,b) (a*(b/gcd(a,b)))
9+
#define vii vector<int>
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#define vll vector<ll>
11+
#define pii pair<int,int>
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#define pll pair<ll,ll>
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#define mii map<int,int>
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#define mll map<ll,ll>
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#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
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#define pb push_back
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#define mp make_pair
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using namespace std;
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///cout<<"Case "<<z++<<": "<<__<<endl;
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int main()
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{
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ll x,z=1;
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cin>>x;
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while(x--)
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{
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unsigned ll n,k,d,a,sum=0,s,ans = 0;
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cin>>n>>k>>d;
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for(ll i=0;i<n;i++)
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{
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cin>>s;
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sum+=s;
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}
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ans = sum/k;
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if(ans>=d)
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{
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cout<<d<<endl;
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}
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else
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cout<<ans<<endl;
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}
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}

‎CODE CHEF/EVENPSUM.cpp

+56
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1+
#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
3+
#define pi acos(-1.0)
4+
#define ll long long
5+
#define EPS 1e-12
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#define mx 210
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#define gcd(a,b) __gcd(a,b)
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#define lcm(a,b) (a*(b/gcd(a,b)))
9+
#define vii vector<int>
10+
#define vll vector<ll>
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#define pii pair<int,int>
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#define pll pair<ll,ll>
13+
#define mii map<int,int>
14+
#define mll map<ll,ll>
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#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
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#define pb push_back
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#define mp make_pair
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using namespace std;
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bool cmp(string &a,string &b)
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{
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return a.size()<b.size();
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}
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int main()
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{
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unsigned ll x,y,z;
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cin>>x;
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while(x--)
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{
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cin>>y>>z;
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unsigned ll a,b,c,d,e,f;
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a = y/2;
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b = z/2;
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c = a*b;
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if(y%2!=0)
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{
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d = a+1;
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}
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else
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{
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d = a;
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}
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if(z%2!=0)
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{
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e = b+1;
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}
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else
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{
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e = b;
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}
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f = d*e;
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cout<<c+f<<endl;
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}
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}
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‎CODE CHEF/FAIRELCT.cpp

+70
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1+
#include<bits/stdc++.h>
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#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
3+
#define pi acos(-1.0)
4+
#define ll long long
5+
#define EPS 1e-12
6+
#define mx 210
7+
#define gcd(a,b) __gcd(a,b)
8+
#define lcm(a,b) (a*(b/gcd(a,b)))
9+
#define vii vector<int>
10+
#define vll vector<ll>
11+
#define pii pair<int,int>
12+
#define pll pair<ll,ll>
13+
#define mii map<int,int>
14+
#define mll map<ll,ll>
15+
#define vip vector<pair<int,int>>
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#define vlp vector<pair<ll,ll>>
17+
#define pb push_back
18+
#define mp make_pair
19+
using namespace std;
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///cout<<"Case "<<z++<<": "<<__<<endl;
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22+
int main()
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{
24+
ll x;
25+
cin>>x;
26+
while(x--)
27+
{
28+
ll a,b,cnt=0,ans=0;
29+
vll va,vb;
30+
cin>>a>>b;
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for(ll i=0; i<a; i++)
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{
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int c;
34+
cin>>c;
35+
va.pb(c);
36+
}
37+
for(ll i=0; i<b; i++)
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{
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int c;
40+
cin>>c;
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vb.pb(c);
42+
}
43+
ll sum1 =accumulate(va.begin(),va.end(),0);
44+
ll sum2 =accumulate(vb.begin(),vb.end(),0);
45+
46+
47+
while(sum1<=sum2)
48+
{
49+
sort(va.begin(),va.end());
50+
sort(vb.begin(),vb.end(),greater<ll>());
51+
if(vb[0]<=va[0])
52+
{
53+
ans=-1;
54+
break;
55+
}
56+
sum1-=va[0];
57+
sum1+=vb[0];
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sum2+=va[0];
59+
sum2-=vb[0];
60+
ll temp=va[0];
61+
va[0]=vb[0];
62+
vb[0]=temp;
63+
ans++;
64+
}
65+
66+
cout<<ans<<endl;
67+
68+
}
69+
70+
}

‎CODE CHEF/FCTRL2.cpp

+46
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@@ -0,0 +1,46 @@
1+
#include<bits/stdc++.h>
2+
#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
3+
#define pi acos(-1.0)
4+
#define ll long long
5+
#define EPS 1e-12
6+
#define mx 2000005
7+
#define vii vector<int>
8+
#define vll vector<ll>
9+
#define pb push_back
10+
using namespace std;
11+
12+
int main()
13+
{
14+
int x;
15+
cin>>x;
16+
while(x--)
17+
{
18+
int y;
19+
cin>>y;
20+
int arr[200];
21+
arr[0]=1;
22+
int temp=0,m=1;
23+
for(int i=1; i<=y; i++)
24+
{
25+
for(int j=0; j<m; j++)
26+
{
27+
temp = arr[j]*i+temp;
28+
arr[j] = temp%10;
29+
temp = temp/10;
30+
}
31+
while(temp!=0)
32+
{
33+
arr[m]=temp%10;
34+
temp = temp/10;
35+
m++;
36+
}
37+
}
38+
for(int i=m-1; i>=0; i--)
39+
40+
{
41+
cout<<arr[i];
42+
}
43+
cout<<endl;
44+
}
45+
46+
}

‎CODE CHEF/FLOW001.cpp

+22
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@@ -0,0 +1,22 @@
1+
#include<bits/stdc++.h>
2+
#define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
3+
#define pi acos(-1.0)
4+
#define ll long long
5+
#define EPS 1e-12
6+
#define mx 2000005
7+
#define vii vector<int>
8+
#define vll vector<ll>
9+
#define pb push_back
10+
using namespace std;
11+
int main()
12+
{
13+
int x;
14+
cin>>x;
15+
while(x--)
16+
{
17+
int y,z;
18+
cin>>y>>z;
19+
cout<<y+z<<endl;
20+
}
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22+
}

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