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step 1:
 
problem 1:
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define endl '\n'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
using namespace std;
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
string s,ss;
int main(){
    cin>>n>>q;
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    while(q--){
        cin>>x;
        l=0;r=n;
        while(l<r-1){
            ll mid=(r+l)/2;
            if(a[mid]<=x)l=mid;
            else r=mid;
        }
        if(a[l]==x)cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
}
 
 
 
problem 2:
 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define endl '\n'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
using namespace std;
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
string s,ss;
int main(){
    cin>>n>>q;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    while(q--){
        cin>>x;
        l=0;r=n+1;
        while(l<r-1){
            ll mid=(r+l)/2;
            if(a[mid]<=x)l=mid;
            else r=mid;
        }
        cout<<l<<endl;
    }
}
 
 
problem 3:
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define endl '\n'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
using namespace std;
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
string s,ss;
int main(){
    cin>>n>>q;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    while(q--){
        cin>>x;
        l=0;r=n+1;
        while(l<r-1){
            ll mid=(r+l)/2;
            if(a[mid]>=x)r=mid;
            else l=mid;
        }
        cout<<r<<endl;
    }
}
 
problem 4:
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define endl '\n'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
using namespace std;
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
string s,ss;
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    cin>>q;
    sort(a+1,a+n+1);
    while(q--){
        ll left,right;
        cin>>left>>right;
        l=0;r=n+1;
        while(l<r-1){
            ll mid=(r+l)/2;
            if(a[mid]<=right)l=mid;
            else r=mid;
        }
        ll ans1=l;
        l=0;r=n+1;
        while(l<r-1){
            ll mid=(r+l)/2;
            if(a[mid]<left)l=mid;
            else r=mid;
        }
        cout<<ans1-l<<endl;
    }
}
 
 
 
step 2:
problem 2
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define endl '\n'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
using namespace std;
ll q,n,m,mx,mn,x,y,z,o,p,k,sum,ans,ab,a[300009],b[300009];
string s,ss;
bool ok(double x){
    ll sum=0;
    for(int i=1;i<=n;i++){
        sum+=a[i]/x;
    }
    return sum>=k;
}
int main(){
    cin>>n>>k;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    double l=0,r=1e8;
    while(l<r-0.000001){
        double mid=(r+l)/2;
        if(ok(mid))l=mid;
        else r=mid;
    }
    cout<<fixed<<setprecision(6)<<l<<endl;
}

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Compilation error #stdin compilation error #stdout 0s 0KB

stdin

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Standard input is empty

compilation info

Main.java:1: error: class, interface, or enum expected
step 1:
^
Main.java:4: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:5: error: illegal character: '#'
#define ll long long
^
Main.java:6: error: illegal character: '#'
#define ld long double
^
Main.java:7: error: illegal character: '#'
#define endl '\n'
^
Main.java:8: error: illegal character: '#'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
^
Main.java:8: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                  ^
Main.java:8: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                             ^
Main.java:9: error: class, interface, or enum expected
using namespace std;
^
Main.java:10: error: class, interface, or enum expected
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
^
Main.java:11: error: class, interface, or enum expected
string s,ss;
^
Main.java:12: error: class, interface, or enum expected
int main(){
^
Main.java:14: error: class, interface, or enum expected
    for(int i=0;i<n;i++){
    ^
Main.java:14: error: class, interface, or enum expected
    for(int i=0;i<n;i++){
                ^
Main.java:14: error: class, interface, or enum expected
    for(int i=0;i<n;i++){
                    ^
Main.java:16: error: class, interface, or enum expected
    }
    ^
Main.java:19: error: class, interface, or enum expected
        l=0;r=n;
        ^
Main.java:19: error: class, interface, or enum expected
        l=0;r=n;
            ^
Main.java:20: error: class, interface, or enum expected
        while(l<r-1){
        ^
Main.java:22: error: class, interface, or enum expected
            if(a[mid]<=x)l=mid;
            ^
Main.java:23: error: class, interface, or enum expected
            else r=mid;
            ^
Main.java:24: error: class, interface, or enum expected
        }
        ^
Main.java:26: error: class, interface, or enum expected
        else cout<<"NO"<<endl;
        ^
Main.java:27: error: class, interface, or enum expected
    }
    ^
Main.java:34: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:35: error: illegal character: '#'
#define ll long long
^
Main.java:36: error: illegal character: '#'
#define ld long double
^
Main.java:37: error: illegal character: '#'
#define endl '\n'
^
Main.java:38: error: illegal character: '#'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
^
Main.java:38: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                  ^
Main.java:38: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                             ^
Main.java:39: error: class, interface, or enum expected
using namespace std;
^
Main.java:40: error: class, interface, or enum expected
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
^
Main.java:41: error: class, interface, or enum expected
string s,ss;
^
Main.java:42: error: class, interface, or enum expected
int main(){
^
Main.java:44: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
    ^
Main.java:44: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                ^
Main.java:44: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                     ^
Main.java:46: error: class, interface, or enum expected
    }
    ^
Main.java:49: error: class, interface, or enum expected
        l=0;r=n+1;
        ^
Main.java:49: error: class, interface, or enum expected
        l=0;r=n+1;
            ^
Main.java:50: error: class, interface, or enum expected
        while(l<r-1){
        ^
Main.java:52: error: class, interface, or enum expected
            if(a[mid]<=x)l=mid;
            ^
Main.java:53: error: class, interface, or enum expected
            else r=mid;
            ^
Main.java:54: error: class, interface, or enum expected
        }
        ^
Main.java:56: error: class, interface, or enum expected
    }
    ^
Main.java:61: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:62: error: illegal character: '#'
#define ll long long
^
Main.java:63: error: illegal character: '#'
#define ld long double
^
Main.java:64: error: illegal character: '#'
#define endl '\n'
^
Main.java:65: error: illegal character: '#'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
^
Main.java:65: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                  ^
Main.java:65: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                             ^
Main.java:66: error: class, interface, or enum expected
using namespace std;
^
Main.java:67: error: class, interface, or enum expected
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
^
Main.java:68: error: class, interface, or enum expected
string s,ss;
^
Main.java:69: error: class, interface, or enum expected
int main(){
^
Main.java:71: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
    ^
Main.java:71: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                ^
Main.java:71: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                     ^
Main.java:73: error: class, interface, or enum expected
    }
    ^
Main.java:76: error: class, interface, or enum expected
        l=0;r=n+1;
        ^
Main.java:76: error: class, interface, or enum expected
        l=0;r=n+1;
            ^
Main.java:77: error: class, interface, or enum expected
        while(l<r-1){
        ^
Main.java:79: error: class, interface, or enum expected
            if(a[mid]>=x)r=mid;
            ^
Main.java:80: error: class, interface, or enum expected
            else l=mid;
            ^
Main.java:81: error: class, interface, or enum expected
        }
        ^
Main.java:83: error: class, interface, or enum expected
    }
    ^
Main.java:87: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:88: error: illegal character: '#'
#define ll long long
^
Main.java:89: error: illegal character: '#'
#define ld long double
^
Main.java:90: error: illegal character: '#'
#define endl '\n'
^
Main.java:91: error: illegal character: '#'
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
^
Main.java:91: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                  ^
Main.java:91: error: class, interface, or enum expected
#define Hi_Bassam ios_base::sync_with_stdio(NULL);cin.tie(0);cout.tie(0);
                                                             ^
Main.java:92: error: class, interface, or enum expected
using namespace std;
^
Main.java:93: error: class, interface, or enum expected
ll q,n,m,mx,mn,x,y,z,o,p,l,r,k,sum,ans,ab,a[300009],b[300009];
^
Main.java:94: error: class, interface, or enum expected
string s,ss;
^
Main.java:95: error: class, interface, or enum expected
int main(){
^
Main.java:97: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
    ^
Main.java:97: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                ^
Main.java:97: error: class, interface, or enum expected
    for(int i=1;i<=n;i++){
                     ^
Main.java:99: error: class, interface, or enum expected
    }
    ^
Main.java:101: error: class, interface, or enum expected
    sort(a+1,a+n+1);
    ^
Main.java:102: error: class, interface, or enum expected
    while(q--){
    ^
Main.java:104: error: class, interface, or enum expected
        cin>>left>>right;
        ^
Main.java:105: error: class, interface, or enum expected
        l=0;r=n+1;
        ^
Main.java:105: error: class, interface, or enum expected
        l=0;r=n+1;
            ^
Main.java:106: error: class, interface, or enum expected
        while(l<r-1){
        ^
Main.java:108: error: class, interface, or enum expected
            if(a[mid]<=right)l=mid;
            ^
Main.java:109: error: class, interface, or enum expected
            else r=mid;
            ^
Main.java:110: error: class, interface, or enum expected
        }
        ^
Main.java:112: error: class, interface, or enum expected
        l=0;r=n+1;
        ^
Main.java:112: error: class, interface, or enum expected
        l=0;r=n+1;
            ^
Main.java:113: error: class, interface, or enum expected
        while(l<r-1){
        ^
Main.java:115: error: class, interface, or enum expected
            if(a[mid]<left)l=mid;
            ^
Main.java:116: error: class, interface, or enum expected
            else r=mid;
            ^
Main.java:117: error: class, interface, or enum expected
        }
        ^
Main.java:119: error: class, interface, or enum expected
    }
    ^
Main.java:126: error: illegal character: '#'
#include <bits/stdc++.h>
^
100 errors

stdout

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Standard output is empty

https://ideone.com/1corPx

language:

Java (HotSpot 12)

created:

visibility:

secret

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