شيئية OOP

#include<iostream>
using namespace std;
int main () {
for(int i=50;i<=65;++i) {
        if (i==57||i==62)continue;
        cout<<i<<',';
}
return 0;
}

#include<iostream>
using namespace std;
int main() {
int salary,performance_rating,years_of_service;
    float bonus=0;
    cin>>salary>>performance_rating>>years_of_service;
    if(years_of_service>=5) {
        if (performance_rating>8) {
            bonus=20;
        }else {
            bonus=10;
        }
    }else {
        if (performance_rating>8) {
            bonus=10;
        }else {
            bonus=5;
        }
    }
    cout<<"bonus:"<<bonus<<'%'<<endl;

return 0;
}

#include<iostream>
using namespace std;

int main () {
char drink_size;
    cin>>drink_size;
    switch (drink_size) {
        case 's':
            cout<<"small";
            break;
        case'm':
            cout<<"medium";
            break;
        case'l':
            cout<<"large";
        case'x':
            cout<<"extra large";
        default:
            cout<<"size not available";
    }
return 0;
}

#include <iostream> 
using namespace std; 
 
int main() { 
    int A[3][4]={{3,4,6,1},{4,8,0,9},{5,7,1,2}}; 
    int B[4][3]; 
 
    for (int i=0; i<3;i++) 
    { 
        for (int j=0;j<4;j++) 
    { 
        B[j][i]=A[i][j];  //       The main idea of the code 
    } 
    } 
    for(int i=0;i<4;i++) 
    { 
        for (int j=0;j<3;j++) 
        { 
            cout<<B[i][j]<<" "; 
         
        } 
        cout<<endl; 
    } 
    return 0; 
}

#include<iostream>
using namespace std;

int power(int base,int exponent) {
    int ans=1;
    for (int i=1;i<=exponent;i++) {
        ans*=base;
    }
    return ans;
}
int fact(int n) {
    int f=1;
    for (int i=1;i<=n;i++) {
        f*=i;
    }
    return f;
}
int main() {
    double x,n,sum=0;
    cin>>x>>n;
    for (int i=0;i<n;i++) {
        sum+=power(x,i)/fact(i);
    }
    cout<<sum;

}

#include<iostream>
using namespace std;

int mostf(int a[],int s) {
    int m=a[0];
    int c=0;
    for (int i=0;i<s;i++) {
        int counter=0;
        for (int j=0;j<s;j++) {
            if (a[i]==a[j]) {
                counter++;
            }
        }
        if (counter>c) {
            c=counter;
            m=a[i];
        }
    }
    return m;
}
int main() {
    int ar[8]={1,6,3,6,3,4,6,5};
    cout<<mostf(ar,8);
}