python报argumentEror：argument 1：OverflowError int too long to convert

这个错误通常出现在 Python 版本较低的时候，因为 Python 2.x 中的整型是有范围限制的，而在处理大数时会出现这个问题。解决办法是将整型转换为长整型。

在 Python 2.x 中，可以使用 long() 函数将整型转换为长整型。例如：

x = 1000000000000000000000000000000000000000000000000000000000000000000
y = long(x)

在 Python 3.x 中，整型已经没有范围限制了，因此不会出现这个错误。

如果你使用的是 Python 2.x，但不想使用 long() 函数，可以考虑使用 Python 的 decimal 模块或第三方库 gmpy2 来处理大数。

相关问题

ctypes.ArgumentError: argument 2: OverflowError: int too long to convert

This error occurs when you are trying to convert a Python integer that is too large to fit in the C integer data type.

To fix this error, you can try using a different data type that can handle larger integers, such as a long integer or a double. You can also try using a different approach that does not require handling such large numbers.

If you are working with ctypes, you can try using the ctypes.c_long or ctypes.c_double data types instead of ctypes.c_int. You can also try passing the integer as a string instead of an integer.

For example, instead of passing the integer directly like this:

my_int = 12345678901234567890
my_c_int = ctypes.c_int(my_int)

You can pass it as a string like this:

my_str = "12345678901234567890"
my_c_int = ctypes.c_int(int(my_str))

Argument 1: cannot convert from 'string' to 'int'

This error message usually occurs when you try to assign a string value to an integer variable or pass a string argument to a method that expects an integer argument. To resolve this issue, you need to convert the string value to an integer using the appropriate method.

For example, if you have a string variable named "myString" that contains an integer value, you can convert it to an integer using the Convert.ToInt32() method:

string myString = "123";
int myInt = Convert.ToInt32(myString);

Alternatively, you can use the int.TryParse() method to convert the string value to an integer safely:

string myString = "123";
int myInt;
if (int.TryParse(myString, out myInt))
{
    // Conversion successful
}
else
{
    // Conversion failed
}

In both cases, you will end up with an integer variable that you can use in your code without getting the "cannot convert from 'string' to 'int'" error message.