从长整型转换为宽格式

#include <stdio.h>

int main() {
    long int num = 123456789012345;
    long long wide_num = (long long)num;

    printf("Original number: %ld\n", num);
    printf("Wide format number: %lld\n", wide_num);

    return 0;
}

import java.math.BigInteger;

public class Main {
    public static void main(String[] args) {
        long num = 123456789012345L;
        BigInteger wideNum = BigInteger.valueOf(num);

        System.out.println("Original number: " + num);
        System.out.println("Wide format number: " + wideNum);
    }
}

using System;

class Program {
    static void Main() {
        long num = 123456789012345;
        decimal wideNum = (decimal)num;

        Console.WriteLine("Original number: " + num);
        Console.WriteLine("Wide format number: " + wideNum);
    }
}

#include <stdio.h>
#include <limits.h>

int main() {
    long int num = 123456789012345;
    
    if (num > LLONG_MAX || num < LLONG_MIN) {
        printf("Error: Number out of range for long long.\n");
    } else {
        long long wide_num = (long long)num;
        printf("Wide format number: %lld\n", wide_num);
    }

    return 0;
}