1 solutions

  • 0
    @ 2025-11-5 16:33:33

    C++ :

    #include<iostream>
    #include<math.h>
     
    using namespace std;
     
    bool isPrime(int num);
    int main() {
        for (int y = 0; y <= 1; y++) {
            for (int m = 1; m <= 12; m++) {
                if (m == 2 && y == 0) {
                    for (int i = 19880001 + y * 10000 + m * 100; i <= 19880029 + y * 10000 + m * 100; i++) {
                        if(isPrime(i))
                            cout << i << endl;
                    }
                }
                else if (m == 2 && y == 1) {
                    for (int i = 19880001 + y * 10000 + m * 100; i <= 19880028 + y * 10000 + m * 100; i++) {
                        if(isPrime(i))
                            cout << i << endl;
                    }
                }
                else if (m == 4 || m == 6 || m == 9 || m == 11) {
                    for (int i = 19880001 + y * 10000 + m * 100; i <= 19880030 + y * 10000 + m * 100; i++) {
                        if(isPrime(i))
                            cout << i << endl;
                    }
                }
                else {
                    for (int i = 19880001 + y * 10000 + m * 100; i <= 19880031 + y * 10000 + m * 100; i++) {
                        if(isPrime(i))
                            cout << i << endl;
                    }
                }
     
            }
        }
        return 0;
    }
    bool isPrime(int num) {
        if (num % 2 == 0)
            return false;
        for (int i = 3; i < sqrt(num * 1.0); i = i + 2) {
            if (num % i == 0)
                return false;
        }
        return true;
    }
    
    
    • 1

    Information

    ID
    17855
    Time
    1000ms
    Memory
    128MiB
    Difficulty
    (None)
    Tags
    # Submissions
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