#include <iostream>
using namespace std;
int main()
{
// Prompt the user to enter filing status
cout << "Enter the filing status\n" << "(0-single filer, 1-married jointly,\n"
<< "2-married separately, 3-head of household): ";
int status;
cin >> status;
if (status < 0 || status > 3)
{
cout << "Wrong filing status";
return 0;
}
// Prompt the user to enter taxable income
cout << "Enter the taxable income: ";
double income;
cin >> income;
// Compute tax
double tax = 0;
if (status == 0)
{
// Compute tax for single filers
if (income <= 6000)
tax = income * 0.10;
else if (income <= 27950)
tax = 6000 * 0.10 + (income - 6000) * 0.15;
else if (income <= 67700)
tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (income - 27950) * 0.27;
else if (income <= 141250)
tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (income - 67700) * 0.30;
else if (income <= 307050)
tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (income - 141250) * 0.35;
else
tax = 6000 * 0.10 + (27950 - 6000) * 0.15 + (67700 - 27950) * 0.27 + (141250 - 67700) * 0.30 + (307050 - 141250) * 0.35
+ (income - 307050) * 0.386;
}
else if (status == 1)
{ // Compute tax for married file jointly
if (income <= 12000)
tax = income * 0.10;
else if (income <= 46700)
tax = 12000 * 0.10 + (income - 12000) * 0.15;
else if (income <= 112850)
tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (income - 46700) * 0.27;
else if (income <= 171950)
tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (income - 112850) * 0.30;
else if (income <= 307050)
tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (171950 - 112850) * 0.30
+ (income - 171950) * 0.35;
else
tax = 12000 * 0.10 + (46700 - 12000) * 0.15 + (112850 - 46700) * 0.27 + (171950 - 112850) * 0.30 + (307050 - 171950)
* 0.35 + (income - 307050) * 0.386;
}
else if (status == 2)
{ // Compute tax for married separately
if (income <= 6000)
tax = income * 0.10;
else if (income <= 23350)
tax = 6000 * 0.10 + (income - 6000) * 0.15;
else if (income <= 56425)
tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (income - 23350) * 0.27;
else if (income <= 85975)
tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (income - 56425) * 0.30;
else if (income <= 153525)
tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (85975 - 56425) * 0.30 + (income - 85975) * 0.35;
else
tax = 6000 * 0.10 + (23350 - 6000) * 0.15 + (56425 - 23350) * 0.27 + (85975 - 56425) * 0.30 + (153525 - 85975) * 0.35
+ (income - 153525) * 0.386;
}
else if (status == 3)
{ // Compute tax for head of household
if (income <= 10000)
tax = income * 0.10;
else if (income <= 37450)
tax = 10000 * 0.10 + (income - 10000) * 0.15;
else if (income <= 96700)
tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (income - 37450) * 0.27;
else if (income <= 156600)
tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (income - 96700) * 0.30;
else if (income <= 307050)
tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (156600 - 96700) * 0.30
+ (income - 156600) * 0.35;
else
tax = 10000 * 0.10 + (37450 - 10000) * 0.15 + (96700 - 37450) * 0.27 + (156600 - 96700) * 0.30 + (307050 - 156600)
* 0.35 + (income - 307050) * 0.386;
}
// Display the result
cout << "Tax is " << static_cast < int > (tax * 100) / 100.0 << endl;
return (0);
}
C++程序设计（Y.Daniel Liang著） 答案部分1
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2010-03-04
23:19:12
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Exercise3_7.cpp 4KB Exercise5_5.cpp 636B Exercise6_5.cpp 549B Exercise7_13.cpp 845B Exercise4_23.cpp 346B Exercise4_11.cpp 302B Exercise4_3.cpp 437B Exercise5_3.cpp 228B Exercise8_9.cpp 568B Exercise7_1.cpp 505B Exercise2_5.cpp 356B Exercise2_3.cpp 217B Exercise7_15.cpp 949B Exercise7_7.cpp 808B Exercise8_15.cpp 386B Exercise4_9.cpp 675B Exercise6_1.cpp 522B Exercise5_19.cpp 364B Exercise7_5.cpp 353B Exercise5_23.cpp 541B Exercise4_13.cpp 204B Exercise6_13.cpp 925B Exercise5_17.cpp 319B Exercise3_9.cpp 838B Exercise6_17.cpp 342B Exercise8_7.cpp 398B Exercise6_23.cpp 998B Exercise8_5.cpp 275B Exercise7_19.cpp 2KB Exercise2_9.cpp 522B Exercise6_11.cpp 2KB Exercise4_19.cpp 1KB Exercise3_5.cpp 568B Exercise2_7.cpp 277B Exercise5_9.cpp 815B Exercise3_1.cpp 455B Exercise7_3.cpp 489B Exercise8_3.cpp 420B Exercise3_3.cpp 773B Exercise2_11.cpp 457B Exercise4_25.cpp 460B Exercise5_7.cpp 757B Exercise4_5.cpp 654B Exercise7_9.cpp 512B Exercise5_1.cpp 396B Exercise5_21.cpp 385B Exercise6_15.cpp 1KB Exercise8_13.cpp 321B Exercise8_17.cpp 1017B Exercise2_1.cpp 250B Exercise5_15.cpp 2KB Exercise7_17.cpp 673B Exercise4_29.cpp 2KB Exercise6_7.cpp 353B Exercise4_7.cpp 223B Exercise7_11.cpp 314B Exercise5_11.cpp 708B Exercise4_15.cpp 440B Exercise5_13.cpp 348B Exercise4_17.cpp 801B Exercise4_27.cpp 274B Exercise4_1.cpp 1KB Exercise6_25.cpp 2KB Exercise6_3.cpp 316B Exercise4_21.cpp 1KB Exercise6_21.cpp 1KB Exercise8_11.cpp 258B Exercise6_19.cpp 3KB Exercise8_1.cpp 392B Exercise6_9.cpp 326B
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