神马程序

水电费第三方发生的人为

神马

thankyou!

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
int f(int n)
{
    if(n==1)
    {
        return 1;
    }
    if(n==2)
    {
        return 2;
    }
    return f(n-1)+f(n-2);
}
int main()
{
    for(int n=1;n<=10;n++)
    {
        cout<<f(n)<<endl;
    }//10
    return 0;
}

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
void f(int x)
{
    if(x==0)
    return;
    cout<<x%10;
    f(x/10);
}
int main()
{
    int x=1234;
    f(x);
    cout<<endl;
    return 0;//9
}

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
int gcd(int a,int b)
{
    while(1)
    {
        int r=a%b;
        if(r==0)
        {
            break;
        }
        a=b;
        b=r;
    }
    return b;
}
int main()
{
    int n;
    cin>>n;
    int a;
    cin>>a;
    for(int i=2;i<=n;i++)
    {
        int b;
        cin>>b;
        a=gcd(a,b);
    }
    cout<<a<<endl;
    return 0;//8
     
}

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
int f(int m,int n)
{
    if(m==1||n==1)
    {
        return 1;
    }
    int left=f(m,n-1);
    int up=f(m-1,n);
    return left+up;
}//7
int main()
{
    cout<<f(7,8)<<endl;
    return 0;
}

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    for(n=3;n<=1500;n+=7)
    {
        if(n%3!=2)
        {
            continue;
        }
        if(n%5==4)
        {
            break;
        }
        cout<<n<<endl;
        int m=105;
        while(n<1500)
        {
            n=n+m;
            cout<<n<<endl;
        }//6
    }
    return 0;
}

#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdio>
#include <ctime>
#include <cstdlib>
//include <bits/stdc++.h>
using namespace std;
int main()
{
    int m=100;
    int i,j,k;
    int cnt=0;
    for(i=0;i<=m;i++)
    {
        for(j=0;j<=m;j++)
        {
            k=m-i-j;
            if(i*0.5+j*1+k*2==m)
            {
                cout<<i<<","<<j<<","<<k<<endl;
                cnt++;
            }
        }
    }
    cout<<cnt<<endl;//5
    return 0;
}

#include <iostream>
#include <iomanip>
using namespace std;
int gcd;
int lcm(int a,int b);//4
int lcm(int a,int b)
{
    return a/gcd(a,b)*b;
}
int main()
{
    int n;
    cin>>n;
    int b,a;
    cin>>b>>a;
    for(int i=2;i<=n;i++)
    {
        int b1,a1;
        cin>>b1>>a1;
        int m=lcm(a,a1);
        b=m/a*b+m/a1*b1;
        cout<<b<<"/"<<a<<endl;
    }
    cout<<b<<"/"<<a<<endl;
    int g=gcd(a,b);
    a=a/g;
    b=b/g;
    cout<<b<<"/"<<a<<endl;
    return 0;
}

#include <iostream>//3
using namespace std;
int xfs(int x);
int isHW(int x);
int xfs(int x)
{
    int y=0;
    for(;x>0;x/=10)
        y=y*10+x%10;
    return y;
}
int isHW(int x)
{
    return x==xfs(x);
}
int main()
{
    int a,cnt=0;
    cin>>a;
    for(int x=1;x<=10000;x++)
    {
        if(isHW(x)==1)
        {
            cnt++;
        }
    }
    cout<<cnt<<endl;
    return 0;
}

#include <iostream>//2
#include <cstdio>
#include <iomanip>

using namespace std;

int main()
{
    int n,i,j,k,m;
    cin>>m;
    
    for(k=1;k<=m;k++)
    {
        n=2*k+1;
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=2*m+1-i;j++)
            {
                cout<<" ";
            }
            for(j=1;j<=2*i-1;j++)
            {
                cout<<"*";
            }
            cout<<endl;
        }
    }
    
    return 0;
}

#include <iostream>//1
#include <iomanip>
using namespace std;
void Tri(int n,int k)
{
    for(int i=0;i<n;i++)
    {
        for(int j=0;i<k+n-i-1;j++)
        {
            cout<<" ";
        }
        for(int j=0;j<2*i+1;j++)
        {
            cout<<"*";
        }
        cout<<endl;
    }
}
int main()
{
    int a,j;
    cin>>a;
    cout<<j;
    return 0;
}