u04_1.cpp
#include <iostream>
int main() {
if (1) {
std::cout << "Hello, world!"
<< std::endl;
}
return 0;
}
/* Kaiching Chang
u04_1.cpp
2014-02 */u04_2.cpp
#include <iostream>
#include <cmath>
int main() {
int a = -99;
int b = abs(a);
std::cout << "a: "
<< a
<< std::endl;
std::cout << "abs(a): "
<< b
<< std::endl;
return 0;
}
/* Kaiching Chang
u04_2.cpp
2014-02 */u0401_1.cpp
#include <iostream>
int main() {
int a, b, c;
a = 99;
b = 36;
c = a + b;
std::cout << "a + b = "
<< c
<< std::endl;
c = a - b;
std::cout << "a - b = "
<< c
<< std::endl;
c = a * b;
std::cout << "a * b = "
<< c
<< std::endl;
c = a / b;
std::cout << "a / b = "
<< c
<< std::endl;
c = a % b;
std::cout << "a % b = "
<< c
<< std::endl;
return 0;
}
/* Kaiching Chang
u0401_1.cpp
2014-02 */u0401_2.cpp
#include <iostream>
int main() {
double a, b, c;
a = 9.9;
b = 3.6;
c = a + b;
std::cout << "a + b = "
<< c
<< std::endl;
c = a - b;
std::cout << "a - b = "
<< c
<< std::endl;
c = a * b;
std::cout << "a * b = "
<< c
<< std::endl;
c = a / b;
std::cout << "a / b = "
<< c
<< std::endl;
return 0;
}
/* Kaiching Chang
u0401_2.cpp
2014-02 */u0401_3.cpp
#include <iostream>
int main() {
char t = 'T';
std::cout << "before: "
<< t
<< std::endl;
t = t + 32;
std::cout << "after : "
<< t
<< std::endl;
return 0;
}
/* Kaiching Chang
u0401_3.cpp
2014-02 */u0402_1.cpp
#include <iostream>
int main() {
int a = 1;
std::cout << a++
<< std::endl;
std::cout << ++a
<< std::endl;
std::cout << a++
<< std::endl;
std::cout << a
<< std::endl;
return 0;
}
/* Kaiching Chang
u0402_1.cpp
2014-02 */u0402_2.cpp
#include <iostream>
int main() {
int a = 1;
std::cout << a--
<< std::endl;
std::cout << --a
<< std::endl;
std::cout << a--
<< std::endl;
std::cout << a
<< std::endl;
return 0;
}
/* Kaiching Chang
u0402_2.cpp
2014-02 */u0402_3.cpp
#include <iostream>
int main() {
double a = 1.2;
std::cout << a++
<< std::endl;
std::cout << ++a
<< std::endl;
std::cout << a++
<< std::endl;
std::cout << a
<< std::endl;
return 0;
}
/* Kaiching Chang
u0402_3.cpp
2014-02 */u0402_4.cpp
#include <iostream>
int main() {
double a = 1.2;
std::cout << a--
<< std::endl;
std::cout << --a
<< std::endl;
std::cout << a--
<< std::endl;
std::cout << a
<< std::endl;
return 0;
}
/* Kaiching Chang
u0402_4.cpp
2014-02 */u0402_5.cpp
#include <iostream>
int main() {
char var = 'a';
while (var <= 'z') {
std::cout << var++;
}
std::cout << std::endl;
var -= 1;
while (var >= 'a') {
std::cout << var--;
}
std::cout << std::endl;
return 0;
}
/* Kaiching Chang
u0402_5.cpp
2014-02 */u0403_1.cpp
#include <iostream>
int main() {
int a = 12;
int b = 22;
if (a < b) {
std::cout << "a < b" << std::endl;
}
if (a <= b) {
std::cout << "a <= b" << std::endl;
}
if (a > b) {
std::cout << "a > b" << std::endl;
}
if (a >= b) {
std::cout << "a >= b" << std::endl;
}
if (a == b) {
std::cout << "a == b" << std::endl;
}
if (a != b) {
std::cout << "a != b" << std::endl;
}
return 0;
}
/* Kaiching Chang
u0403_1.cpp
2014-02 */u0403_2.cpp
#include <iostream>
int main() {
double a = 22.0;
double b = 22.0;
if (a < b) {
std::cout << "a < b"
<< std::endl;
}
if (a <= b) {
std::cout << "a <= b"
<< std::endl;
}
if (a > b) {
std::cout << "a > b"
<< std::endl;
}
if (a >= b) {
std::cout << "a >= b"
<< std::endl;
}
if (a == b) {
std::cout << "a == b"
<< std::endl;
}
if (a != b) {
std::cout << "a != b"
<< std::endl;
}
return 0;
}
/* Kaiching Chang
u0403_2.cpp
2014-02 */u0403_3.cpp
#include <iostream>
int main() {
char a = 't';
char b = 'r' + 2;
if (a < b) {
std::cout << "a < b"
<< std::endl;
}
if (a <= b) {
std::cout << "a <= b"
<< std::endl;
}
if (a > b) {
std::cout << "a > b"
<< std::endl;
}
if (a >= b) {
std::cout << "a >= b"
<< std::endl;
}
if (a == b) {
std::cout << "a == b"
<< std::endl;
}
if (a != b) {
std::cout << "a != b"
<< std::endl;
}
return 0;
}
/* Kaiching Chang
u0403_3.cpp
2014-02 */u0403_4.cpp
#include <iostream>
int main() {
bool a = true;
bool b = false;
if (a < b) {
std::cout << "a < b"
<< std::endl;
}
if (a <= b) {
std::cout << "a <= b"
<< std::endl;
}
if (a > b) {
std::cout << "a > b"
<< std::endl;
}
if (a >= b) {
std::cout << "a >= b"
<< std::endl;
}
if (a == b) {
std::cout << "a == b"
<< std::endl;
}
if (a != b) {
std::cout << "a != b"
<< std::endl;
}
return 0;
}
/* Kaiching Chang
u0403_4.cpp
2014-02 */u0404_1.cpp
#include <iostream>
int main() {
bool a = false;
int b = 0;
double c = 0.0;
std::cout << a
<< std::endl;
std::cout << !a
<< std::endl;
std::cout << b
<< std::endl;
std::cout << !b
<< std::endl;
std::cout << c
<< std::endl;
std::cout << !c
<< std::endl;
return 0;
}
/* Kaiching Chang
u0404_1.cpp
2014-02 */u0404_2.cpp
#include <iostream>
int main() {
bool a = false;
bool b = true;
int c = 1;
int d = 0;
std::cout << (a && b)
<< std::endl;
std::cout << (a && a)
<< std::endl;
std::cout << (b && b)
<< std::endl;
std::cout << (c && c)
<< std::endl;
std::cout << (c && d)
<< std::endl;
std::cout << (d && d)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0404_2.cpp
2014-02 */u0404_3.cpp
#include <iostream>
int main() {
bool a = false;
bool b = true;
int c = 1;
int d = 0;
std::cout << (a || b)
<< std::endl;
std::cout << (a || a)
<< std::endl;
std::cout << (b || b)
<< std::endl;
std::cout << (c || c)
<< std::endl;
std::cout << (c || d)
<< std::endl;
std::cout << (d || d)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0404_3.cpp
2014-02 */u0405.cpp
#include <iostream>
int main() {
int a = 192;
int b = 64;
std::cout << (~a)
<< std::endl;
std::cout << (b << 2)
<< std::endl;
std::cout << (b >> 2)
<< std::endl;
std::cout << (a & b)
<< std::endl;
std::cout << (a | b)
<< std::endl;
std::cout << (a ^ b)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0405.cpp
2014-02 */u0406.cpp
#include <iostream>
int main() {
std::cout << "bool : "
<< sizeof(bool)
<< std::endl;
std::cout << "char : "
<< sizeof(char)
<< std::endl;
std::cout << "int : "
<< sizeof(int)
<< std::endl;
std::cout << "double : "
<< sizeof(double)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0406.cpp
2014-02 */u0407.cpp
#include <iostream>
int main() {
std::cout << "bool : "
<< typeid(bool).name()
<< std::endl;
std::cout << "short : "
<< typeid(short).name()
<< std::endl;
std::cout << "int : "
<< typeid(int).name()
<< std::endl;
std::cout << "double : "
<< typeid(double).name()
<< std::endl;
return 0;
}
/* Kaiching Chang
u0407.cpp
2014-02 */u0408.cpp
#include <iostream>
struct Demo1 {};
struct Demo2 {
int f2;
float f1;
char c;
};
int main() {
std::cout << "Demo1: "
<< alignof(Demo1)
<< std::endl;
std::cout << "pointer: "
<< alignof(int*)
<< std::endl;
std::cout << "char: "
<< alignof(char)
<< std::endl;
std::cout << "Demo2: "
<< alignof(Demo2)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0408.cpp
2014-02 */u0409_1.cpp
#include <iostream>
int main() {
int a = 4;
int b = 3;
std::cout << (a += b)
<< std::endl;
std::cout << (a -= b)
<< std::endl;
std::cout << (a *= b)
<< std::endl;
std::cout << (a /= b)
<< std::endl;
std::cout << (a %= b)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0409_1.cpp
2014-02 */u0409_2.cpp
#include <iostream>
int main() {
int a = 181;
int b = 192;
std::cout << (a <<= 2)
<< std::endl;
std::cout << (a >>= 2)
<< std::endl;
std::cout << (a &= b)
<< std::endl;
std::cout << (a |= b)
<< std::endl;
std::cout << (a ^= b)
<< std::endl;
return 0;
}
/* Kaiching Chang
u0409_2.cpp
2014-02 */u0410_1.cpp
#include <iostream>
int main() {
int a = 22;
int b = 34;
std::cout << "a = "
<< a
<< std::endl;
std::cout << "b = "
<< b
<< std::endl;
std::cout << (a > b ? a : b)
<< " is bigger"
<< std::endl;
return 0;
}
/* Kaiching Chang
u0410_1.cpp
2014-02 */u0410_2.cpp
#include <iostream>
int main() {
int sex1 = 0;
int sex2 = 1;
std::cout << (sex1 ? "She" : "He")
<< " is here."
<< std::endl;
std::cout << (sex2 ? "She" : "He")
<< " is running."
<< std::endl;
return 0;
}
/* Kaiching Chang
u0410_2.cpp
2014-02 */u0410_3.cpp
#include <iostream>
int main() {
int a = 22;
int b = 34;
int max;
if (a > b) {
max = a;
}
else {
max = b;
}
std::cout << "max = "
<< max
<< std::endl;
return 0;
}
/* Kaiching Chang
u0410_3.cpp
2014-02 */the end
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