int()

本文详细介绍了Python中int()函数的使用方法,包括如何将字符串、浮点数及十六进制数转换为整数。通过具体示例展示了int()函数的强大功能。

int() 用于将一个对象转换为整数,可转换的对象如下:

In [1]: int('10')       # 将纯数字的字符串转换为整数
Out[1]: 10

In [2]: int(10.6)       # 将浮点数转换为整数
Out[2]: 10

In [3]: int('a', 16)    # 将十六进制转换成十进制整数
Out[3]: 10

 

 

 

 

 

 

    

转载于:https://www.cnblogs.com/pzk7788/p/10258839.html

D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'void INT::normalize()': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 27 50 [错误] no matching function for call to 'INT::abs(__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 366 13 [说明] candidate: 'INT INT::abs() const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 366 13 [说明] candidate expects 0 arguments, 1 provided D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator-() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 121 28 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 36 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator/(const INT&) const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 230 30 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 36 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 231 50 [错误] call of overloaded 'INT(int)' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 108 9 [说明] candidate: 'INT::INT(const string&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(const INT&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(INT&&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator>>(int) const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 283 36 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 36 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 286 47 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 36 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'std::string INT::to_binary_string() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 374 30 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 36 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 378 29 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 36 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 379 41 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 36 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In static member function 'static INT INT::from_binary_string(const string&)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 387 26 [错误] call of overloaded 'INT(int)' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 108 9 [说明] candidate: 'INT::INT(const string&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(const INT&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(INT&&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'std::string INT::to_string() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 399 30 [错误] aggregate 'std::stringstream ss' has incomplete type and cannot be defined D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT pow(INT, INT)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 423 27 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 136 35 [说明] initializing argument 1 of 'bool INT::operator<(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 423 37 [错误] conversion from 'int' to 'INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 425 30 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 152 35 [说明] initializing argument 1 of 'bool INT::operator>(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT gcd(INT, INT)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 439 21 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 36 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT factorial(const INT&)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 452 17 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 136 35 [说明] initializing argument 1 of 'bool INT::operator<(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 453 18 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 9 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 9 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 36 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'void INT::normalize()': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 27 22 [错误] no matching function for call to 'INT::abs(__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 366 6 [说明] candidate: 'INT INT::abs() const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 366 6 [说明] candidate expects 0 arguments, 1 provided D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator-() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 121 14 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 29 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator/(const INT&) const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 230 16 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 29 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 231 36 [错误] call of overloaded 'INT(int)' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 108 2 [说明] candidate: 'INT::INT(const string&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(const INT&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(INT&&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'INT INT::operator>>(int) const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 283 15 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 29 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 286 26 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 29 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'std::string INT::to_binary_string() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 374 16 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 29 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 378 15 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 29 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 379 20 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 29 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In static member function 'static INT INT::from_binary_string(const string&)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 387 12 [错误] call of overloaded 'INT(int)' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 108 2 [说明] candidate: 'INT::INT(const string&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(const INT&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 13 7 [说明] candidate: 'INT::INT(INT&&)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In member function 'std::string INT::to_string() const': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 399 16 [错误] aggregate 'std::stringstream ss' has incomplete type and cannot be defined D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT pow(INT, INT)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 423 13 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 136 28 [说明] initializing argument 1 of 'bool INT::operator<(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 423 23 [错误] conversion from 'int' to 'INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 425 16 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 152 28 [说明] initializing argument 1 of 'bool INT::operator>(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT gcd(INT, INT)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 439 14 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 134 29 [说明] initializing argument 1 of 'bool INT::operator!=(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 0 -1 In function 'INT factorial(const INT&)': D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 452 10 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 136 28 [说明] initializing argument 1 of 'bool INT::operator<(const INT&) const' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 453 11 [错误] conversion from 'int' to 'const INT' is ambiguous D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 112 2 [说明] candidate: 'INT::INT(const char*)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 90 2 [说明] candidate: 'INT::INT(long long int)' D:/HuaweiMoveData/Users/94197/Documents/untitled1.cpp 126 29 [说明] initializing argument 1 of 'bool INT::operator==(const INT&) const' 、
最新发布
07-14
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