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Pract.02| Aleksandra Kirilova #11

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336 changes: 336 additions & 0 deletions Seminar02/solutions/sem_2.cpp
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#include <iostream>
using namespace std;
int main() {
//zad1
/*int year;
cin >> year;
if (year % 100 == 0) {
if (year % 400 == 0) {
cout << "leap";
} else{
cout << "not leap";
}
} else if (year % 4 == 0) {
cout << "leap";
} else {
cout << "not leap";
}*/

//zad2
/*char symbol;
cin >> symbol;
if (symbol >= 'a' && symbol <= 'z' || symbol >= 'A' && symbol <= 'Z') {
switch (symbol) {
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
cout << "Vowel";
break;
default: cout << "Consonant";
}
}
else {
cout << "Not a latin letter";
}*/

//zad3
/*int a, b;
cin >> a >> b;
if(a!=b){
int result = (a > b) ? a : b;
cout << result;
}
else {
cout << "Invalid input";

}*/

//zad4
/*double grade;
cin >> grade;
if (grade >= 90 && grade <= 100) {
cout << "6+";
}
else if (grade >= 80) {
cout << "6";
}
else if (grade >= 70) {
cout << "5";
}
else if (grade >= 60) {
cout << "4";
}
else if (grade >= 40) {
cout << "3";
}
else if (grade < 40 && grade >= 0) {
cout << "2";
}*/

//zad5
/*double a, b, c;
cin >> a >> b >> c;
if (a + b > c && a + c > b && b + c > a) {
cout << "Valid triangle";
}
else {
cout << "Invalid triangle";
}*/

//zad6
/*int input;
cin >> input;
switch (input) {
case 1:
cout << "Yellow! Caution!"<<endl;
case 2:
cout << "Red! Stop!"<<endl;
case 3:
cout << "Yellow! Get ready!"<<endl;
case 4:
cout << "Green! Go!"<<endl;
break;
default: cout << "Please enter a number between 1 and 4";
}*/

//zad7
/*char symbol;
cin >> symbol;
if (symbol >= 'a' && symbol <= 'z') {
char uppercase = symbol - 32;
cout << uppercase;

} else if (symbol >= 'A' && symbol <= 'Z') {
char lowercase = symbol + 32;
cout << lowercase;
}
else {
cout << "Invalid character";
}*/

//zad8
/*int a;
cout << "Arabic numeral: ";
cin >> a;
cout << "Roman numeral: ";
switch (a) {
case 1:
cout << "I";
break;
case 2:
cout << "II";
break;
case 3:
cout << "II";
break;
case 4:
cout << "IV";
break;
case 5:
cout << "V";
break;
case 6:
cout << "VI";
break;
case 7:
cout << "VII";
break;
case 8:
cout << "VIII";
break;
case 9:
cout << "IX";
break;
}*/


//zad9
/*int a, b, c;
cin >> a >> b >> c;

if (a <= b && a <= c) {
cout << a << " ";
if (b <= c || a == b) {
cout << b << " " << c;
}
else if(c <= b || a == c){
cout << c << " " << b;
}
}
else if (b <= a && b <= c) {
cout << b << " ";
if (a <= c || b == a) {
cout << a << " " << c;
}
else if( c <= a || b == c){
cout << c << " " << a;
}
}
else if (c <= a && c <= b) {
cout << c << " ";
if (a <= b || c == a) {
cout << a << " " << b;
}
else if(b <= a || c == b){
cout << b << " " << a;
}
}*/

//zad10
/*int a, b;
char operation;
cin >> a >> operation >> b;
if (a == 0 || b == 0 && operation == '/') {
cout << "Invalid operation";
}
else {
int result = 0;
switch (operation) {
case '+':
result = a + b;
break;
case '-':
result = a - b;
break;
case '*':
result = a * b;
break;
case '/':
result = a / b;
break;
}
cout << result;
}*/

//zad11
/*int a, b, c;
cin >> a >> b >> c;
if (a == 0 && b == 0 && c == 0) {
cout << "Invalid input";
}
else if (a >= b && a >= c) {
cout << a;
if (b >= c || a == b) {
cout << b << c;
}
else if(c >= b || a == c){
cout << c << b;
}
}
else if (b >= a && b >= c) {
cout << b;
if (a >= c || b == a) {
cout << a << c;
}
else if( c >= a || b == c){
cout << c << a;
}
}
else if (c >= a && c >= b) {
cout << c;
if (a >= b || c == a) {
cout << a << b;
}
else if(b >= a || c == b){
cout << b << a;
}
}*/

//zad12
/*int day, month;
cin >> day >> month;
bool validDay = true;
bool validMonth = true;
switch (month) {

case 1://31 days
case 3:
case 5:
case 7:
case 8:
case 10:
if (day >= 1 && day <= 30) {
day += 1;
}
else if (day == 31) {
day = 1;
month += 1;
}
else {
validDay = false;
}
break;

case 12://december
if (day >= 1 && day <= 30) {
day += 1;
}
else if (day == 31) {
day = 1;
month = 1;
}
else {
validDay = false;
}
break;

case 4://30 days
case 6:
case 9:
case 11:
if (day >= 1 && day <= 29) {
day += 1;
}
else if (day == 30) {
day = 1;
month += 1;
}
else {
validDay = false;
}
break;

case 2://28 days
if (day >= 1 && day <= 27) {
day += 1;
}
else if (day == 28) {
day = 1;
month = 3;
}
else {
validDay = false;
}
break;

default: validMonth = false;
}

if (validDay && validMonth) {
std:: cout << day << " " << month;
}
else {
std::cout << "Invalid day or month";
}*/

//zad13
int a, b, c;
cin >> a >> b >> c;
int largest = ((a > b) ? ((a > c) ? a : c) : ((b > c) ? b : c));
cout << largest;
return 0;




}