Added some more solutions

Codeforces/1075A.cpp

@@ -0,0 +1,52 @@
+#include <math.h>
+#include <time.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <map>
+#include <set>
+#include <deque>
+#include <queue>
+#include <stack>
+#include <bitset>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <algorithm>
+
+using namespace std;
+
+#define sp system("pause")
+#define FOR(i,a,b) for(int i=a;i<=b;++i)
+#define FORD(i,a,b) for(int i=a;i>=b;--i)
+#define REP(i,n) FOR(i,0,(int)n-1)
+#define pb(x) push_back(x)
+#define mp(a,b) make_pair(a,b)
+#define MS0(x) memset(x,0,sizeof(x))
+#define MS1(x) memset(x,1,sizeof(x))
+#define SORT(a,n) sort(begin(a),begin(a)+n)
+#define REV(a,n) reverse(begin(a),begin(a)+n)
+#define ll long long
+#define pii pair<int,int>
+#define MOD 1000000007
+
+int a[101];
+
+int main(){
+
+	ll int n,x,y;
+	cin>>n>>x>>y;
+	ll int bmove,wmove;
+	wmove=min(abs(x-1),abs(y-1));
+	bmove=min(abs(x-n),abs(y-n));
+
+	if(wmove<=bmove){
+		cout<<"White\n";
+	}
+	else{
+		cout<<"Black";
+	}
+	return 0;
+}

Codeforces/1294A.cpp

@@ -0,0 +1,51 @@
+#include <math.h>
+#include <time.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <map>
+#include <set>
+#include <deque>
+#include <queue>
+#include <stack>
+#include <bitset>
+#include <string>
+#include <vector>
+#include <iostream>
+#include <algorithm>
+
+using namespace std;
+
+#define sp system("pause")
+#define FOR(i,a,b) for(int i=a;i<=b;++i)
+#define FORD(i,a,b) for(int i=a;i>=b;--i)
+#define REP(i,n) FOR(i,0,(int)n-1)
+#define pb(x) push_back(x)
+#define mp(a,b) make_pair(a,b)
+#define MS0(x) memset(x,0,sizeof(x))
+#define MS1(x) memset(x,1,sizeof(x))
+#define SORT(a,n) sort(begin(a),begin(a)+n)
+#define REV(a,n) reverse(begin(a),begin(a)+n)
+#define ll long long
+#define pii pair<int,int>
+#define MOD 1000000007
+
+//int a[100000];
+
+int main(){
+
+	int t, a,b,c,n;
+	cin>>t;
+	REP(tc, t){
+		cin>>a>>b>>c>>n;
+		int sum=a+b+c+n;
+        if(sum%3!=0 || sum/3<a || sum/3<b || sum/3<c)
+            cout<<"NO"<<endl;
+        else
+            cout<<"YES"<<endl;
+
+	}
+	return 0;
+}

Codeforces/964A.cpp

@@ -0,0 +1,9 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+  int n;
+  cin >> n;
+  cout << n / 2 + 1 << endl;
+  return 0;
+}