added 1945 A - Setting up Camp

Codes/1945 A - Setting up Camp/1945A.cpp

@@ -0,0 +1,77 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+#define FAST_IO             (ios_base:: sync_with_stdio(false),cin.tie(NULL));
+#define ll                  long long
+#define ull                 unsigned long long
+#define endl                '\n'
+#define ff                  first
+#define ss                  second
+#define pb                  push_back
+#define all(x)              x.begin(), x.end()
+#define sz(x)               (int)(x).size()
+#define yes                 cout<<"YES"<<endl
+#define no                  cout<<"NO"<<endl
+#define neg1                cout<<-1<<endl
+#define PI                  3.141592653589793238
+#define MIN                 INT_MIN
+#define MAX                 INT_MAX
+#define INF                 LONG_LONG_MAX
+#define MOD                 1000000007
+#define LLM                 1000000000000000007
+
+ll factorial(ll n)                        { if(n==0) return 1; ll res = 1; for (ll i = 2; i <= n; i++) res = res * i; return res; }
+ll nPr(ll n, ll r)                        { return factorial(n) / factorial(n - r); }
+ll nCr(ll n, ll r)                        { return factorial(n) / (factorial(r) * factorial(n - r));}
+ll gcd(ll a, ll b)                        { if (b == 0) return a; return gcd(b, a % b); }
+ll lcm(ll a, ll b)                        { return (a * b) / gcd(a, b);}
+ull mypow(ull a, ull b,ull m=MOD)         { ull ans = 1; a%=m; while(b){ if (b&1) ans = (ans*a) % m; a = (a*a) % m; b >>= 1; } return ans; }
+bool isPrime(ll n)                        { if(n <= 1) return false; for(ll i = 2; i*i <= n; i++) if(n % i == 0) return false; return true; }
+
+#ifndef ONLINE_JUDGE
+#define dbg(x...) cerr << #x << " : "; _print(x)
+#else
+#define dbg(...)
+#endif
+void __print(int x) {cerr << x;}void __print(long x) {cerr << x;} void __print(long long x){cerr << x;}
+void __print(unsigned x){cerr << x;} void __print(unsigned long x){cerr << x;} void __print(unsigned long long x){cerr << x;}
+void __print(float x){cerr << x;} void __print(double x){cerr << x;} void __print(long double x){cerr << x;}
+void __print(char x){cerr << x;} void __print(const char *x){cerr << x;} void __print(const string &x){cerr << x;}
+void __print(bool x){cerr << (x ? "true" : "false");} void _print() { cerr << "\n"; }
+template <typename A> void __print(const A &x); template <typename A, typename B> void __print(const pair<A, B> &p);
+template <typename A> void __print(const A &x) {bool f=1; cerr << '['; for (const auto &i : x) {cerr << (f ? "" : ","), __print(i); f = 0;} cerr << ']';}
+template <typename A, typename B> void __print(const pair<A, B> &p) {cerr << '('; __print(p.first); cerr << ','; __print(p.second); cerr << ')';}
+template <typename Head, typename... Tail> void _print(const Head &H, const Tail &...T) { __print(H); if (sizeof...(T)) cerr << ", "; _print(T...);}
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+void solve()
+{
+    int a,b,c,ans;
+    cin>>a>>b>>c;
+    ans=a;
+    ans += b/3;
+    b%=3;
+    if(b && c<3-b)
+    {
+        neg1;
+        return;
+    }
+    if(b)
+    {
+        ans++;
+        c-=3-b;
+    }
+    ans+= c/3;
+    if(c%3)
+        ans++;
+    cout<<ans<<endl;
+}
+
+signed main()
+{
+    FAST_IO;
+    int TC = 1;
+    cin >> TC;
+    while (TC--) 
+        solve();
+}

Readme.md

@@ -290,6 +290,7 @@ This repository contains my solutions of Codeforces problems. They are in C++ la
 | 278 | 1933 A | Turtle Puzzle Rearrange and Negate | [Question](https://codeforces.com/problemset/problem/1933/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1933%20A%20-%20Turtle%20Puzzle%20Rearrange%20and%20Negate)
 | 279 | 1933 B | Turtle Math Fast Three Task | [Question](https://codeforces.com/problemset/problem/1933/B) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1933%20B%20-%20Turtle%20Math%20Fast%20Three%20Task)
 | 280 | 1933 C | Turtle Fingers Count the Values of k | [Question](https://codeforces.com/problemset/problem/1933/C) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1933%20C%20-%20Turtle%20Fingers%20Count%20the%20Values%20of%20k)
+| 281 | 1945 A | Setting up Camp | [Question](https://codeforces.com/problemset/problem/1945/A) | [Solution](https://github.com/ShazidMashrafi/Codeforces-Solutions/tree/master/Codes/1945%20A%20-%20Setting%20up%20Camp)