10 مثال کاربردی و عملی آرایه‌ها در ++C (از مبتدی تا پیشرفته)

#include <iostream>
using namespace std;

int main() {
    int numbers[5] = {10, 20, 30, 40, 50};
    int sum = 0;
    
    for (int i = 0; i < 5; i++) {
        sum += numbers[i];
    }
    
    cout << "مجموع اعداد: " << sum;
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int nums[] = {23, 45, 12, 67, 34};
    int max = nums[0];
    
    for (int i = 1; i < 5; i++) {
        if (nums[i] > max) {
            max = nums[i];
        }
    }
    
    cout << "بزرگترین عدد: " << max;
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int arr[] = {1, 2, 3, 4, 5};
    int temp;
    
    for (int i = 0; i < 2; i++) {
        temp = arr[i];
        arr[i] = arr[4 - i];
        arr[4 - i] = temp;
    }
    
    cout << "آرایه معکوس شده: ";
    for (int i = 0; i < 5; i++) {
        cout << arr[i] << " ";
    }
    
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    float grades[4];
    float sum = 0;
    
    cout << "لطفا 4 نمره وارد کنید:\n";
    for (int i = 0; i < 4; i++) {
        cin >> grades[i];
        sum += grades[i];
    }
    
    cout << "میانگین نمرات: " << sum / 4;
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int items[] = {12, 34, 56, 78, 90};
    int target;
    bool found = false;
    
    cout << "عدد مورد نظر را وارد کنید: ";
    cin >> target;
    
    for (int i = 0; i < 5; i++) {
        if (items[i] == target) {
            cout << "عدد در موقعیت " << i << " پیدا شد";
            found = true;
            break;
        }
    }
    
    if (!found) {
        cout << "عدد یافت نشد!";
    }
    
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int matrix[2][2] = {{1, 2}, {3, 4}};
    
    cout << "ماتریس:\n";
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 2; j++) {
            cout << matrix[i][j] << " ";
        }
        cout << endl;
    }
    
    return 0;
}

ماتریس:
1 2 
3 4

#include <iostream>
using namespace std;

int main() {
    int arr[] = {5, 3, 8, 1, 2};
    int n = 5;
    
    for (int i = 0; i < n-1; i++) {
        for (int j = 0; j < n-i-1; j++) {
            if (arr[j] > arr[j+1]) {
                int temp = arr[j];
                arr[j] = arr[j+1];
                arr[j+1] = temp;
            }
        }
    }
    
    cout << "آرایه مرتب شده: ";
    for (int i = 0; i < n; i++) {
        cout << arr[i] << " ";
    }
    
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int A[2][2] = {{1, 2}, {3, 4}};
    int B[2][2] = {{5, 6}, {7, 8}};
    int C[2][2];
    
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 2; j++) {
            C[i][j] = A[i][j] + B[i][j];
        }
    }
    
    cout << "نتیجه جمع ماتریس‌ها:\n";
    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 2; j++) {
            cout << C[i][j] << " ";
        }
        cout << endl;
    }
    
    return 0;
}

نتیجه جمع ماتریس‌ها:
6 8 
10 12

#include <iostream>
using namespace std;

int main() {
    int mult[10][10];
    
    for (int i = 0; i < 10; i++) {
        for (int j = 0; j < 10; j++) {
            mult[i][j] = (i+1) * (j+1);
        }
    }
    
    cout << "جدول ضرب 10x10:\n";
    for (int i = 0; i < 10; i++) {
        for (int j = 0; j < 10; j++) {
            cout << mult[i][j] << "\t";
        }
        cout << endl;
    }
    
    return 0;
}

#include <iostream>
using namespace std;

int main() {
    string candidates[3] = {"علی", "رضا", "سارا"};
    int votes[3] = {0};
    int choice;
    
    cout << "سیستم رأی‌گیری:\n";
    for (int i = 0; i < 5; i++) { // 5 رأی دهنده
        cout << "1. علی\n2. رضا\n3. سارا\n";
        cout << "رأی شما (1-3): ";
        cin >> choice;
        votes[choice-1]++;
    }
    
    cout << "\nنتایج:\n";
    for (int i = 0; i < 3; i++) {
        cout << candidates[i] << ": " << votes[i] << " رأی\n";
    }
    
    return 0;
}