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Commit bab9c81

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Merge pull request #148 from ishan-nahid/ccf
added code with right naming convension
2 parents 0dc0e41 + d7419e7 commit bab9c81

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6 files changed

+327
-0
lines changed

6 files changed

+327
-0
lines changed
Lines changed: 53 additions & 0 deletions
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#include <bits/stdc++.h>
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using namespace std;
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#define ll long long
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#define pb(x) push_back(x)
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void setup();
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void solve();
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int main()
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{
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setup();
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solve();
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return 0;
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}
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void solve()
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{
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ll t;
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cin >> t;
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while(t--)
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{
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ll a, b;
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cin >> a >> b;
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if(b-a == 1 || b-a == 3) cout << "YES" << endl;
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else if(b-a == 2) cout << "NO" << endl;
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else
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{
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if((b-a)%3 == 0 || (b-a)%3 == 1) cout << "YES" << endl;
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else cout << "NO" << endl;
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// if(a%2 == 0 && b%2 == 0)
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// else if(a%2 != 0 && b%2 != 0)
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// else if(a%2 == 0 && b%2 != 0)
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// else if(a%2 != 0 && b%2 == 0)
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}
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}
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}
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void setup()
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{
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ios::sync_with_stdio(false);
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cin.tie(NULL);
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cout.tie(NULL);
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#ifndef ONLINE_JUDGE
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freopen("input.txt", "r", stdin);
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freopen("output.txt", "w", stdout);
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#else
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#endif
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}
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// 2 -> 3, 5, 6, 8, 9, 11, 12
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// 3 -> 4, (6, 7,) (9, 10,) (12, 13)
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// 4 -> 5, 7, 8, 10, 11, 13, 14
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#include <bits/stdc++.h>
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using namespace std;
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#define ll long long
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#define pb(x) push_back(x)
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void setup();
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void solve();
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int main()
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{
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setup();
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solve();
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return 0;
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}
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void solve()
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{
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ll t, x, y;
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cin >> t;
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while(t--)
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{
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cin >> x >> y;
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if(x > y) cout << (x-y) << endl;
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else cout << 0 << endl;
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}
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}
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void setup()
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{
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ios::sync_with_stdio(false);
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cin.tie(NULL);
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cout.tie(NULL);
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#ifndef ONLINE_JUDGE
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freopen("input.txt", "r", stdin);
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freopen("output.txt", "w", stdout);
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#else
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#endif
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}
Lines changed: 64 additions & 0 deletions
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#include <bits/stdc++.h>
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#include <math.h>
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using namespace std;
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#define ll long long
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#define pb(x) push_back(x)
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void setup();
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void solve();
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int main()
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{
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setup();
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solve();
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return 0;
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}
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void solve()
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{
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ll t;
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cin >> t;
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while(t--)
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{
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ll n;
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string s1, s2;
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cin >> n >> s1 >> s2;
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ll ss1 = s1.size(), ss2 = s2.size();
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set <char> s;
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ll c = 0;
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for(ll i = 0; i < ss1; i++)
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{
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if(s1[i] != s2[i])
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{
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c++;
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s.insert(s2[i]);
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}
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}
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// cout << c << " " << s.size() << endl;
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// for (auto itr : s)
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// {
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// cout << itr << " ";
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// }
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// cout << endl;
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if(c > s.size()) cout << s.size() << endl;
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else cout << c << endl;
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}
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}
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void setup()
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{
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ios::sync_with_stdio(false);
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cin.tie(NULL);
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cout.tie(NULL);
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#ifndef ONLINE_JUDGE
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freopen("input.txt", "r", stdin);
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freopen("output.txt", "w", stdout);
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#else
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#endif
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}
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Lines changed: 62 additions & 0 deletions
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#include <bits/stdc++.h>
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using namespace std;
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#define ll long long
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#define frp(a, b) for(ll i = a; i < b; i++)
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#define frn(a, b) for(ll i = a; i > b; i--)
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#define in(x) insert(x)
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#define pb(x) push_back(x)
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#define full(x) x.begin(),x.end()
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ll gcd(ll a, ll b);
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void setup();
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void solve();
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int main()
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{
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setup();
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solve();
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return 0;
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}
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void solve()
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{
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ll T, N;
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cin >> T;
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while(T--)
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{
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cin >> N;
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vector <ll> v(N);
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frp(0, N) cin >> v[i];
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sort(v.begin(), v.end());
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ll g = v[0];
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for(ll j = 1; j < N; j++) g = gcd(g, v[j]);
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cout << g*N << endl;
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}
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}
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ll gcd(ll a, ll b)
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{
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if(a%b == 0) return b;
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else return gcd(b, a%b);
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}
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void setup()
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{
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ios::sync_with_stdio(false);
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cin.tie(NULL);
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cout.tie(NULL);
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#ifndef ONLINE_JUDGE
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freopen("input.txt", "r", stdin);
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freopen("one.txt", "w", stdout);
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#else
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#endif
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}
Lines changed: 69 additions & 0 deletions
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#include <iostream>
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#include <cmath>
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#include <algorithm>
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using namespace std;
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void solve();
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int main()
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{
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solve();
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return 0;
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}
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void solve()
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{
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int t;
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string s;
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cin >> t;
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while(t--)
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{
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cin >> s;
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int ss = s.size(), f = 0, c = 0;
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for(int i = 0; i < ss; i++)
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{
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if(s[i] == 49)
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{
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c++;
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f = i;
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}
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}
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if(c == 0)
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{
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cout << "NO" << endl;
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}
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else
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{
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for(int i = f; i >= 0; i--)
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{
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if(s[i] == 48)
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{
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break;
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}
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else
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{
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c--;
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}
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}
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//cout << c << endl;
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if(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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{
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cout << "NO" << endl;
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}
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}
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}
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}
Lines changed: 40 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
1+
#include <bits/stdc++.h>
2+
using namespace std;
3+
4+
#define ll long long
5+
#define pb(x) push_back(x)
6+
7+
void setup();
8+
void solve();
9+
10+
int main()
11+
{
12+
setup();
13+
solve();
14+
return 0;
15+
}
16+
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void solve()
18+
{
19+
ll t;
20+
cin >> t;
21+
while(t--)
22+
{
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ll n, x;
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cin >> n >> x;
25+
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if(n <= 6) cout << x << endl;
27+
else cout << int(ceil(n/6.0)*x) << endl;
28+
}
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}
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void setup()
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{
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ios::sync_with_stdio(false);
33+
cin.tie(NULL);
34+
cout.tie(NULL);
35+
#ifndef ONLINE_JUDGE
36+
freopen("input.txt", "r", stdin);
37+
freopen("output.txt", "w", stdout);
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#else
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#endif
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}

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