Update

C++/Program-30/README.md

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+Program to convert number in characters.

C++/Program-30/program.c

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+//Program to convert number in characters
+#include <iostream>  
+using namespace std;  
+int main()  
+{  
+long int n,sum=0,r;    
+cout<<"Enter the Number= ";    
+cin>>n;    
+while(n>0)    
+{    
+r=n%10;    
+sum=sum*10+r;    
+n=n/10;    
+}    
+n=sum;    
+while(n>0)    
+{    
+r=n%10;    
+switch(r)    
+{    
+case 1:    
+cout<<"one ";    
+break;    
+case 2:    
+cout<<"two ";    
+break;    
+case 3:    
+cout<<"three ";  
+break;    
+case 4:    
+cout<<"four ";  
+break;    
+case 5:    
+cout<<"five ";  
+break;    
+case 6:    
+cout<<"six ";   
+break;    
+case 7:  
+cout<<"seven ";  
+break;  
+case 8:    
+cout<<"eight ";    
+break;    
+case 9:    
+cout<<"nine ";  
+break;    
+case 0:    
+cout<<"zero ";  
+break;    
+default:    
+cout<<"tttt ";    
+break;    
+}    
+n=n/10;    
+}    
+}  

C++/See wifi pass.cpp

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+#include <cstdlib>
+#include <iostream>
+using namespace std;
+string x;
+int y;
+int main()
+{
+system("color e");
+cout<< ("\nsamz>\t");
+system("netsh wlan show profile");
+cout << ("WHICH ONE?--");
+string z = "netsh wlan show profile\t \"";
+string n = "\"\tkey=clear";
+cin >> x;
+z = z + x + n;
+system(z.c_str());
+}

C++/program_30/operator_overloading.cpp

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+
+/*
+cpp program for operator overloading
+Author: Anil Kumar
+Date modified:21-10-2021
+*/
+
+
+#include<iostream>
+using namespace std;
+
+class complex
+{
+private:
+    float a,b;
+public:
+
+    void set(float x, float y){
+        a=x;
+        b=y;
+    }
+   complex operator+(complex c){
+       complex t;
+       t.a=a+c.a;
+       t.b=b+c.b;
+       return t;
+   }
+   complex operator-(){
+       complex t;
+       t.a=-a;
+       t.b=-b;
+       return t;
+   }
+
+   void display(){
+       cout<<a<<" "<<b<<endl;
+   }
+};
+int main(){
+    complex c1,c2,c3;
+    c1.set(4.0,5.0);
+    c2.set(3.0,6.0);
+    c3=c1+c2;
+    c3.display();
+
+
+    complex c4=-c2;
+    c4.display();
+}
+

C/program-1/program.c

@@ -1,15 +1,20 @@
+
 #include<stdio.h>
+#includeR<conio.h>
 int main()
 {
    /*initialization */
+    clrscr();
     int n,i,j;
-    printf("enter the number of rows"); /*Input the number of rows */
-    scanf("%d",&n);
+    printf("Enter the number of rows"); /*Input the number of rows */
+    scanf("%d",&i);
+    print("Enter the number of columns");
+    scanf("%d",&j);
     for(i=1;i<=n;i++)   /*condition */
     {
         for(j=1;j<=i;j++)
-        {
-            printf("   %d",j); /*output */
+        {   
+            printf("%d",n); /*output */
         }
         printf("\n");
     }return 0;

C/program-8/program.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 int main()
 {
-
+    clrscr();
     int y,n,m,d,j;
     printf("enter the input");
     scanf("%d",&n);
@@ -12,4 +12,5 @@ int main()
     printf("year=%d",y);
     printf("months =%d",j);
     printf("days=%d",d);
+    getch();
 }

C/program-84/program.c

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+#include<stdio.h>
+int main(){
+char str[100];
+int i=0;
+printf("Enter any string:");
+gets(str);
+//converting to uppercase
+while(str[i]!= '\0'){
+if(str[i]>=97&&str[i]<=122){
+ str[i]=str[i]-32;
+}
+i++;
+}
+printf("\nThe converted string is:%s", str);
+return 0;
+}

C/program-84/program84.c

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+#include <stdio.h>
+#include <graphics.h>
+#include <stdlib.h>
+#include <dos.h>
+#include <conio.h>
+int gdriver=DETECT,gmode,x1=0,y1=0,k=0,c,a;
+int bufx[150],bufy[150],dist=7,dspeed;
+int rndx,rndy,tail=2,size,dash=0,score=0;
+int choice;
+char name[20];
+void gameover();
+void randomnumber();
+void checkcollision(int x1,int y1);
+void checkcapture(int x1,int y1);
+void move();
+void welcome();
+void statusbar();
+void record();
+void main(){
+	// registerfarbgidriver(EGAVGA_driver_far);
+	initgraph(&gdriver,&gmode,"c:\\turboc3\\bgi");
+	size=tail;
+	welcome();
+	re:
+	cleardevice();
+	gotoxy(1,15);
+	printf("1 for easy\n2 for medium\n3 for hard\nEnter difficult:");
+	scanf("%d",&choice);
+	switch(choice){
+	case 1321: dspeed=200;break;
+	case 1: dspeed=160;break;
+	case 2: dspeed=60;break;
+	case 3: dspeed=20;break;
+	default: goto re;
+	};
+	cleardevice();
+	statusbar();
+	while((c=getch())!='\033'){
+	if (c=='\115'&&a!=2) a=1;
+	if (c=='\113'&&a!=1) a=2;
+	if (c=='\120'&&a!=4) a=3;
+	if (c=='\110'&&a!=3) a=4;
+	dash=0;
+	move();
+	}
+}
+void move(){
+	while(!kbhit()){
+	k=++k%size;
+	//prints body
+	setfillstyle(1,10);
+	setcolor(0);
+	bar3d(x1,y1,x1+dist,y1+dist,0,0);
+	setfillstyle(0,0);//emptyfill
+	setcolor(0);//black border
+	bar3d(bufx[k],bufy[k],bufx[k]+dist,bufy[k]+dist,0,0);//erases tail
+	bufx[k]=x1;
+	bufy[k]=y1;
+	setcolor(15);
+	checkcapture(x1,y1);
+	if(a==1) x1=x1+dist;//if right
+	if(a==2) x1=x1-dist;//if left
+	if(a==3) y1=y1+dist;//if down
+	if(a==4) y1=y1-dist;//if up
+	checkcollision(x1,y1);
+	/*prints head the same if no direction is obtained,
+	prints new head if direction altered*/
+	setfillstyle(1,2);
+	bar3d(x1,y1,x1+dist,y1+dist,0,0);
+	sound(300);
+	delay(dspeed);
+	nosound();
+	delay(dspeed);
+	}
+}
+
+void checkcollision(int x1,int y1){
+	int i;
+	for(i=1;i<=size;i++){
+	if((bufx[i]==x1)&&(bufy[i]==y1)) dash=1;
+	}
+	if((x1<0)||(x1>=400)||(y1<0)||(y1>400)) dash=1;
+	if(dash){
+	delay(300);
+	gameover();
+	}
+	statusbar();
+}
+
+void checkcapture(int x1,int y1){
+	if((x1==rndx)&&(y1==rndy)){
+	size++;score++;
+	sound(500);
+	delay(100);
+	randomnumber();
+	}
+	setfillstyle(1,4);
+	setcolor(4);
+	bar3d(rndx,rndy,rndx+dist,rndy+dist,0,0);
+}
+void statusbar(){
+	setcolor(15);
+	setcolor(14);
+	rectangle(0,0,400,410);
+	gotoxy(55,2);
+	printf("Score: %d",score);
+	gotoxy(55,5);
+	printf("Down: ");
+	putchar(31);
+	printf("\tUP");
+	putchar(30);
+	gotoxy(55,6);
+	printf("RIGHT :");
+	putchar(16);
+	printf("\tLEFT :");
+	putchar(17);
+	gotoxy(55,7);
+	printf("Press esc to exit");
+	settextstyle(4,0,3);
+	outtextxy(410,250,"KhwopaSnake");
+}
+void randomnumber(){
+	rndx=rand()%40*dist;
+	rndy=rand()%40*dist;
+	}
+void gameover(){
+	sound(400);
+	delay(200);
+	nosound();
+	cleardevice();
+	delay(400);
+	setcolor(12);
+	settextstyle(5,0,5);
+	outtextxy(230,200,"You Died!");
+	gotoxy(25,23);
+	printf("%s scored %d ",name,score);
+	delay(500);
+
+	record();
+	fflush(stdin);
+	getch();
+	exit(0);
+}
+void record(){
+	char c;
+	FILE *info;
+	cleardevice();
+	info=fopen("record.txt","a+");
+	fprintf(info,"Playername:%-20s\tScore=%3d\n",name,score);
+	fclose(info);
+
+	gotoxy(25,5);
+	printf("List of players\n");
+	info=fopen("record.txt","r");
+	do{
+	putchar(c=getc(info));}
+	while(c!=EOF);
+	fclose(info);
+	printf("Press any key to exit");
+	delay(5000);
+	}
+void welcome(){
+	gotoxy(25,25);
+	printf("Enter your name:");
+	gets(name);
+	cleardevice();
+	delay(100);
+	printf("Hello %s!",name);
+	delay(300);
+	setcolor(14);
+	settextstyle(10,0,3);
+	outtextxy(20,150,"Welcome to");
+	delay(400);
+	outtextxy(250,150," khwopa");
+	delay(300);
+	outtextxy(430,150," snake");
+	delay(200);
+	printf("Press any key to continue...\n");
+	printf("Dont eat yourself");
+	getch();
+
+}

C/program-84/readme.md

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+# snake game in c

C/program-86/README.md

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+program 86
+
+C program to create and list of N fibonacci terms