Add files via upload

dev-aniketj · web-flow · commit 7230bad23f9f · 2022-06-27T23:26:31.000+05:30
diff --git a/10 - loops/for infinte loop.cpp b/10 - loops/for infinte loop.cpp
@@ -0,0 +1,17 @@
+#include <iostream>
+using namespace std;
+int main() {
+//	for (int i=0;;i++) {
+//		if(i==2){
+//			continue;
+//		}
+//		if(i==400) {
+//			break;
+//		}
+//		cout<<i<<endl;
+//	}
+	int i=0;
+	for(;;) {
+		cout<<++i;
+	}
+}
diff --git a/10 - loops/for loop pattern.cpp b/10 - loops/for loop pattern.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+using namespace std;
+int main () {
+	int x, y;
+	for (x=0; x<5; x++) {
+		for(y=0; y<x+1; y++) {
+			cout<<"* ";
+		}
+		cout<<endl;
+	}
+	cout<<"\n";
+	for(x=0; x<5; x++) {
+		for(y=5; y>x; y--) {
+			cout<<"* ";
+		}
+		cout<<endl;
+	}
+}
diff --git a/10 - loops/for loop.cpp b/10 - loops/for loop.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+using namespace std;
+int main() {
+	int value;
+	cout<<"Enter the number : ";
+	cin>>value;
+	//for loop
+//	for(int i=1; i<=10; i++) {
+//		cout<<i*value<<"\n";
+//	}
+
+//	for(int i =10; i>0; i--) {
+//		cout<<i*value<<endl;
+//	}
+	int i;
+	for(i=0; i<5; i++);
+	cout<<i;
+
+	return 0;
+}
diff --git a/10 - loops/while loop.cpp b/10 - loops/while loop.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+int main() {
+	int sum=0, i=1;
+	do {
+		sum+=i++;
+	} while(i<=4);
+	cout<<"Sum is : "<<sum<<endl;
+	cout<<i<<endl;
+	return 0;
+}
diff --git a/11 - arrays (beginners)/array_ex1.cpp b/11 - arrays (beginners)/array_ex1.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+int main() {
+	int arr[3];
+	arr[0] = 10;
+	arr[1] = 20;
+	arr[2] = 30;
+	for(int i=0; i<3; i++)
+		cout<<arr[i]<<"\t";
+	return 0;
+}
diff --git a/11 - arrays (beginners)/array_ex2.cpp b/11 - arrays (beginners)/array_ex2.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+using namespace std;
+int main() {
+//	int arr[10] = {10, 20, 30};
+	int arr[] = {10, 20, 30};
+	for(int i=0; i<3; i++)
+		cout<<arr[i]<<"\t";
+	return 0;
+}
diff --git a/11 - arrays (beginners)/min max in array.cpp b/11 - arrays (beginners)/min max in array.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+using namespace std;
+int main() {
+	int size = 5, i=0;
+	int arr[5];
+	cout<<"Enter the values : \n";
+	for(i=0; i<size; i++) {
+		cin>>arr[i];
+	}
+	int min=arr[0], max=arr[0];
+	for(i=0; i<size; i++) {
+		if(min>arr[i])
+			min=arr[i];
+		if(arr[i]>max)
+			max=arr[i];
+	}
+	cout<<"Minimum number is : "<<min<<endl;
+	cout<<"Maximum number is : "<<max<<endl;
+	return 0;
+}
diff --git a/5 - program structure/hello world.cpp b/5 - program structure/hello world.cpp
@@ -0,0 +1,8 @@
+#include <iostream>
+
+//HELLO WORLD
+
+using namespace std;
+int main() {
+	cout<<"Hello World";
+}
diff --git a/5 - program structure/namespace.cpp b/5 - program structure/namespace.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+
+namespace demo {
+	int a = 5;
+	void show() {
+		std::cout<<"ShreyYash"<<std::endl;
+	}
+}
+using namespace demo;
+int main() {
+	show();
+	std::cout<<demo::a;
+	return 0;
+}
diff --git a/5 - program structure/use of comma operator.cpp b/5 - program structure/use of comma operator.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+using namespace std;
+int main() {
+	cout<<"I\'m",
+	    cout<<" doing",
+	    cout<<" C++",
+	    cout<<" Programming";
+	return 0;
+}
diff --git a/6 - c++ terminology/const var.cpp b/6 - c++ terminology/const var.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+
+//DECLARE CONST VARIABLE - can't change its values.
+using namespace std;
+
+int main(){
+	int temp1 = 10;
+	const int temp2 = 20;
+	
+	temp1 = 30;
+	//temp2 = 40;	//error
+	cout<<temp1<<"\n"<<temp2<<endl;
+	return 0;
+}
diff --git a/6 - c++ terminology/increment by one.cpp b/6 - c++ terminology/increment by one.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+
+//INCREMENT BY 1
+
+using namespace std;
+int main(){
+	int x = 3;
+	int y = x++;
+	cout<<x<<"\n"<<y<<endl;
+}
diff --git a/7 - precedence and associativity/evaluate expression1.cpp b/7 - precedence and associativity/evaluate expression1.cpp
@@ -0,0 +1,8 @@
+#include <iostream>
+
+int main(){
+	int var1 = 10, var2 = 20, var3 = 30;
+	float total;
+	total = var2 - var3 + var1;
+	std::cout<<total;
+}
diff --git a/7 - precedence and associativity/evaluate expression2.cpp b/7 - precedence and associativity/evaluate expression2.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+
+//PRECEDENCE
+
+int main() {
+	int var1= 10, var2= 20, var3 = 30;
+	float total;
+
+	//total = ++var2 - --var3 + var1;
+
+//	total = var2++ - var3-- + var1;
+//	std::cout<<total<<std::endl;
+//	std::cout<<var2<<std::endl;
+//	std::cout<<var3<<std::endl;
+
+	total = var2++ - (var3 + var1);
+	std::cout<<var2<<std::endl;
+	std::cout<<total;
+}
diff --git a/7 - precedence and associativity/evaluate expression3.cpp b/7 - precedence and associativity/evaluate expression3.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+
+//NOT USING NAMESPACE STD
+
+int main() {
+	int var1=10, var2=20, var3=30;
+	float total;
+	total = var3/var1*var2;		// (30/10) * 20
+	std::cout<<total;
+}
diff --git a/7 - precedence and associativity/evaluate expression4.cpp b/7 - precedence and associativity/evaluate expression4.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+
+//EVALUTE EXPRESSION(basics)
+
+using namespace std;
+
+int main(){
+	int var1 = 10, var2 = 20, var3 = 30;
+	float total;
+	total = var3/var1+var2;
+	cout<<total;
+}
diff --git a/7 - precedence and associativity/perc of two subjects.cpp b/7 - precedence and associativity/perc of two subjects.cpp
@@ -0,0 +1,15 @@
+#include <iostream>
+
+//PERCENTAGE OF TWO SUBJECT MARKS
+
+
+using namespace std;
+
+int main(){
+	int marks1 = 95, marks2 = 88;
+	
+	float percentage;
+	percentage = (float(marks1 + marks2)/200)*100;
+	
+	cout<<percentage<<endl;
+}
diff --git a/8 - conditions/marks pass or fail.cpp b/8 - conditions/marks pass or fail.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+	int marks=0;
+	cout<<"Enter the marks : ";
+	cin>>marks;
+	if(marks>=60 && marks<=100) {
+		cout<<endl<<"You are pass.";
+	} else if(marks>=0 && marks<60) {
+		cout<<endl<<"You are fail.";
+	} else {
+		cout<<endl<<"Invalid Input.";
+	}
+
+
+	return 0;
+}
diff --git a/8 - conditions/switch_ex.cpp b/8 - conditions/switch_ex.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+using namespace std;
+int main() {
+	int day;
+	cout<<"Enter the day : ";
+	cin>>day;
+	switch(day) {
+		case 1:
+			cout<<"Sunday";
+			break;
+		case 2:
+			cout<<"Monday";
+			break;
+		case 3:
+			cout<<"Tuesday";
+			break;
+		case 4:
+			cout<<"Wednesday";
+			break;
+		case 5:
+			cout<<"Thrusday";
+			break;
+		case 6:
+			cout<<"Friday";
+			break;
+		case 7:
+			cout<<"Saturday";
+			break;
+		default:
+			cout<<"Invalid Input!!";
+	}
+	return 0;
+}
diff --git a/9 - strings (beginners)/string array.cpp b/9 - strings (beginners)/string array.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+int main() {
+	int size = 10;
+	string name[size] = {"Avi", "Ayush", "Yesh"};
+	for(int i=0; i<size; i++) {
+		cout<<name[i]<<endl;
+	}
+}
diff --git a/9 - strings (beginners)/string concatenation.cpp b/9 - strings (beginners)/string concatenation.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+#include <string>
+using namespace std;
+int main() {
+	string firstName, lastName, fullName, address;
+	cout<<"Enter the Address : ";
+	getline(cin, address);
+	cout<<"Enter the First Name : ";
+	cin>>firstName;
+	cout<<"Enter the Last Name : ";
+	cin>>lastName;
+
+	fullName = firstName.append(" "+lastName);
+	cout<<"Name : "<<fullName<<endl;
+	cout<<"Address : "<<address<<endl;
+}
diff --git a/9 - strings (beginners)/string length.cpp b/9 - strings (beginners)/string length.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+#include <string>
+using namespace std;
+int main() {
+	string name;
+	cout<<"Enter your name : ";
+	//cin>>name;
+	getline(cin, name);
+	cout<<"String is : "<<name<<endl;
+	cout<<"Length of name : "<<name.length()<<endl;
+	cout<<"Size of name : "<<name.size()<<endl;
+}
diff --git a/9 - strings (beginners)/use of string.cpp b/9 - strings (beginners)/use of string.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+#include <string>
+
+//USE OF STRING
+
+using namespace std;
+int main() {
+	string firstName = "Aniket";
+	string lastName = "Jain";
+
+	string fullName = firstName+" "+lastName;		//Slow, compared to append() string concatenation
+	string Name = firstName.append(" # "+lastName);	//Fast
+
+	cout<<fullName<<endl;
+	cout<<Name<<endl;
+}
