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Commit2920336

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4 files changed

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‎Divisibility by Eight.cpp‎

Lines changed: 121 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include<bits/stdc++.h>
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usingnamespacestd;
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typedefdouble D ;
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typedeflonglong ll ;
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typedeflongdouble ld ;
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typedefunsignedint ui ;
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typedefunsignedlonglong ull ;
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#defineF first
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#defineS second
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#defineRreturn
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#defineCcontinue
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#definepb push_back
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#definepf push_front
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#definemp make_pair
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#defineall(v) (v).begin() , (v).end()
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#defineallrev(v) (v).rbegin() , (v).rend()
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#defineallcomp(v) v.begin() , v.end() , comp
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#defineallrevcomp(v) v.rbegin() , v.rend() , comp
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#definevi vector <int>
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#definevb vector <bool>
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#definevll vector <ll>
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#definevs vector <string>
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#definevvi vector < vector <int > >
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#definevvb vector < vector <bool > >
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#definevvc vector < vector <char > >
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#definevvll vector < vector < ll > >
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#definevvd vector < vector < D > >
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#definevvld vector < vector < ld > >
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#definepii pair <int ,int >
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#definepll pair < ll , ll >
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#definepld pair < ld , ld >
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#definepDD pair < D , D >
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#definevpld vector < pld >
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#definevpii vector < pii >
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#definevpll vector < pll >
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#definevpDD vector < pDD >
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#definevvpii vector < vector < pii > >
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#defineFi(i,L,R)for (int i = L ; i <= R ; i++)
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#defineFd(i,R,L)for (int i = R ; i >= L ; i--)
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#definefast ios_base :: sync_with_stdio (false) ; cin.tie(0) ; cout.tie(0)
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#definedist(a,b,p,q) sqrt((p-a)*(p-a) + (q-b)*(q-b))
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const ld PI =3.1415926535897932384626 ;
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const ll MOD =1e9 +7 ;
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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ll sum =0 ;
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bool flag =false ;
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voidcheck()
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{
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if (sum %8 ==0)
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{
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flag =true ;
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cout <<"YES\n" << sum ;
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}
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}
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voidsolve ()
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{
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string s ;
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cin >> s ;
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int n = s.length() ;
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Fi(i ,0 , n-1)
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{
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sum = s[i] -'0' ;
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check() ;
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if (flag)
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return ;
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int x = sum ;
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Fi(j , i+1 , n-1)
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{
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sum = x*10 ;
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sum += s[j] -'0' ;
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check() ;
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if (flag)
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return ;
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int y = sum ;
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Fi(k , j+1 , n-1)
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{
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sum = y*10 ;
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sum += s[k] -'0' ;
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check() ;
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if (flag)
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return ;
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}
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}
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}
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if (!flag)
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cout <<"NO" ;
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}
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intmain()
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{
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//freopen ("input.txt","r",stdin) ;
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//freopen ("output.txt","w",stdout) ;
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fast ;
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int t =1 ;
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//cin>>t ;
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while (t--)
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solve () ;
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return0 ;
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}

‎Exams.cpp‎

Lines changed: 96 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include<bits/stdc++.h>
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usingnamespacestd;
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typedefdouble D ;
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typedeflonglong ll ;
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typedeflongdouble ld ;
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typedefunsignedint ui ;
9+
typedefunsignedlonglong ull ;
10+
11+
#defineF first
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#defineS second
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#defineRreturn
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#defineCcontinue
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#definepb push_back
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#definepf push_front
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#definemp make_pair
18+
19+
#defineall(v) (v).begin() , (v).end()
20+
#defineallrev(v) (v).rbegin() , (v).rend()
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#defineallcomp(v) v.begin() , v.end() , comp
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#defineallrevcomp(v) v.rbegin() , v.rend() , comp
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#definevi vector <int>
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#definevb vector <bool>
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#definevll vector <ll>
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#definevs vector <string>
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#definevvi vector < vector <int > >
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#definevvb vector < vector <bool > >
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#definevvc vector < vector <char > >
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#definevvll vector < vector < ll > >
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#definevvd vector < vector < D > >
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#definevvld vector < vector < ld > >
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#definepii pair <int ,int >
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#definepll pair < ll , ll >
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#definepld pair < ld , ld >
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#definepDD pair < D , D >
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#definevpld vector < pld >
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#definevpii vector < pii >
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#definevpll vector < pll >
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#definevpDD vector < pDD >
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#definevvpii vector < vector < pii > >
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#defineFi(i,L,R)for (int i = L ; i <= R ; i++)
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#defineFd(i,R,L)for (int i = R ; i >= L ; i--)
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#definefast ios_base :: sync_with_stdio (false) ; cin.tie(0) ; cout.tie(0)
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#definedist(a,b,p,q) sqrt((p-a)*(p-a) + (q-b)*(q-b))
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const ld PI =3.1415926535897932384626 ;
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const ll MOD =1e9 +7 ;
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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voidsolve ()
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{
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int n , ans =0 , best = -1 ;
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cin >> n ;
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vpiiv(n) ;
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Fi(i ,0 , n-1)
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{
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cin >> v[i].F >> v[i].S ;
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}
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sort(v.begin() , v.end()) ;
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Fi(i ,0 , n-1)
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{
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if (v[i].S >= best)
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{
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best = v[i].S ;
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}
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else
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{
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best = v[i].F ;
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}
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}
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cout << best ;
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}
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intmain()
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{
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//freopen ("input.txt","r",stdin) ;
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//freopen ("output.txt","w",stdout) ;
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fast ;
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int t =1 ;
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//cin>>t ;
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while (t--)
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solve () ;
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return0 ;
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}

‎Queue (2).cpp‎

Lines changed: 98 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include<bits/stdc++.h>
2+
3+
usingnamespacestd;
4+
5+
typedefdouble D ;
6+
typedeflonglong ll ;
7+
typedeflongdouble ld ;
8+
typedefunsignedint ui ;
9+
typedefunsignedlonglong ull ;
10+
11+
#defineF first
12+
#defineS second
13+
#defineRreturn
14+
#defineCcontinue
15+
#definepb push_back
16+
#definepf push_front
17+
#definemp make_pair
18+
19+
#defineall(v) (v).begin() , (v).end()
20+
#defineallrev(v) (v).rbegin() , (v).rend()
21+
#defineallcomp(v) v.begin() , v.end() , comp
22+
#defineallrevcomp(v) v.rbegin() , v.rend() , comp
23+
24+
#definevi vector <int>
25+
#definevb vector <bool>
26+
#definevll vector <ll>
27+
#definevs vector <string>
28+
29+
#definevvi vector < vector <int > >
30+
#definevvb vector < vector <bool > >
31+
#definevvc vector < vector <char > >
32+
#definevvll vector < vector < ll > >
33+
#definevvd vector < vector < D > >
34+
#definevvld vector < vector < ld > >
35+
36+
#definepii pair <int ,int >
37+
#definepll pair < ll , ll >
38+
#definepld pair < ld , ld >
39+
#definepDD pair < D , D >
40+
41+
#definevpld vector < pld >
42+
#definevpii vector < pii >
43+
#definevpll vector < pll >
44+
#definevpDD vector < pDD >
45+
#definevvpii vector < vector < pii > >
46+
47+
#defineFi(i,L,R)for (int i = L ; i <= R ; i++)
48+
#defineFd(i,R,L)for (int i = R ; i >= L ; i--)
49+
#definefast ios_base :: sync_with_stdio (false) ; cin.tie(0) ; cout.tie(0)
50+
51+
#definedist(a,b,p,q) sqrt((p-a)*(p-a) + (q-b)*(q-b))
52+
53+
const ld PI =3.1415926535897932384626 ;
54+
const ll MOD =1e9 +7 ;
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56+
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
57+
58+
voidsolve ()
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{
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int n , ans =0 ;
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cin >> n ;
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ll sum =0 ;
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viv (n) ;
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Fi(i ,0 , n-1)
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cin >> v[i] ;
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sort (v.begin() , v.end()) ;
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Fi(i ,0 , n-1)
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{
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if (v[i] >= sum)// person is not happy
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{
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++ans ;// increase happy by 1
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sum += v[i] ;// add the time taken to sum
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}
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else// dispappointed , dont consider him adding to the sum , means , send him at last (hypothetically)
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{
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continue ;
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}
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}
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cout << ans ;
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}
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intmain()
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{
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//freopen ("input.txt","r",stdin) ;
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//freopen ("output.txt","w",stdout) ;
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fast ;
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int t =1 ;
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//cin>>t ;
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while (t--)
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solve () ;
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return0 ;
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}

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