minor updates

amantiwari8861 · Sep 19, 2023 · 00e5d46 · 00e5d46
1 parent 4a8e094
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diff --git a/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/Q2.c b/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/Q2.c
@@ -1,27 +1,10 @@
-<<<<<<< HEAD
-#include<stdio.h>
-int main()
-{
-
-    for (int row = 0; row < 5; row++)
-    {
-        for(int col=0;col<=row;col++)
-        {
-            printf("*");
-        }
-        printf("\n");
-    }
-
-    return 0;
-}
-=======
 #include<stdio.h>
 int main()
 {
 
-    for (int row = 1; row <= 5; row++)
+    for (int row = 0; row < 5; row++)
     {
-        for(int col=1;col<=row;col++)
+        for(int col=0;col<=row;col++)
         {
             printf("*");
         }
@@ -30,4 +13,3 @@ int main()
 
     return 0;
 }
->>>>>>> eaa42a88730f025ddb6412a578957c2e832dfae6
diff --git a/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/Q9New.c b/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/Q9New.c
@@ -0,0 +1,30 @@
+#include<stdio.h>
+int main()
+{
+
+    for (int row = 1; row <= 7; row++)
+    {
+        for (int col = 1; col <= 10 ; col++)
+        {
+            if (row==1 || row==7)
+            {
+                printf("*");
+            }
+            else
+            {
+                if (col==1 || col==10)
+                {
+                    printf("*");
+                }
+                else
+                {
+                    printf(" ");
+                }
+            }
+        }
+        printf("\n");
+    }
+
+
+    return 0;
+}
diff --git a/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/pattern1.c b/05-Loops_&_Nested_loops/Nested Loop/ExercSoln/pattern1.c
@@ -1,14 +1,14 @@
 #include<stdio.h>
-// #include<windows.h>
+#include<windows.h>
 int main()
 {
 
     for (int row = 0; row < 5; row++)
     {
         for (int col = 0; col <8 ; col++)
         {
-            // Sleep(500);
             printf("*");
+            Sleep(500);
         }
         printf("\n");
     }

diff --git a/05-Loops_&_Nested_loops/Nested Loop/Nested1.c b/05-Loops_&_Nested_loops/Nested Loop/Nested1.c
@@ -1,6 +1,6 @@
 #include<stdio.h>
-// #include<windows.h>
-#include<unistd.h>
+#include<windows.h>
+// #include<unistd.h>
 int main()
 {
 
@@ -9,22 +9,31 @@ int main()
     //     printf(" Chapter %d \n",i);
     //     for (int j = 1; j <= 4; j++)
     //     {
-    //         printf("\tPara %d ",j);
-    //         // Sleep(100);
+    //         printf("\tSection %d ",j);
+    //         // Sleep(1000);
     //     }
     //     printf("\n");
     // }
 
 
-    for (int i = 1; i <= 4; i++)
+    // for (int i = 1; i <= 4; i++)
+    // {
+    //     for (int j = 1; j <= 5; j++)
+    //     {
+    //         printf("i=%d j=%d   ",i,j);
+    //         Sleep(1000);
+    //     }
+    //     printf("\n");   
+    // }      
+
+    for (int i = 0; i < 4; i++)
     {
-        for (int j = 1; j <= 5; j++)
+        for (int j = 5; j > 0; j--)
         {
-            printf("i=%d j=%d   ",i,j);
-            Sleep(1000);
+            printf("i=%d j=%d  ",i,j);
         }
-        printf("\n");   
-    }      
-      
+        printf("\n");
+    }
+
     return 0;
 }
diff --git a/05-Loops_&_Nested_loops/Nested Loop/NestedLoopsExercise.txt b/05-Loops_&_Nested_loops/Nested Loop/NestedLoopsExercise.txt
@@ -99,21 +99,21 @@ ABCDE
 123454321
 
 15.
-        *
-       * * 
-      * * *
-     * * * *
-      * * * 
-     * * * *
-    * * * * *
-   * * * * * *
-    * * * * * 
-   * * * * * *
-  * * * * * * *
- * * * * * * * *
-     * * * *
-     * * * *
-     * * * *
-     * * * *
+       *
+      * *
+     * * *
+    * * * *
+     * * * 
+    * * * *
+   * * * * *
+  * * * * * *
+   * * * * * 
+  * * * * * *
+ * * * * * * *
+* * * * * * * *
+    * * * *
+    * * * *
+    * * * *
+    * * * *
 
 https://www.faceprep.in/c/pattern-programs-in-c/
diff --git a/05-Loops_&_Nested_loops/Nested Loop/programs/Q14.c b/05-Loops_&_Nested_loops/Nested Loop/programs/Q14.c
@@ -0,0 +1,22 @@
+#include<stdio.h>
+int main()
+{
+    for (int row = 0; row < 5; row++)
+    {
+        for (int sp = 5-1; sp > row; sp--)
+        {
+            printf(" ");
+        }
+        for (int j = 0; j <=row; j++)
+        {
+            printf("%d",j+1);
+        }
+        for (int k = row; k > 0; k--)
+        {
+            printf("%d",k);
+        }
+        printf("\n");
+    }
+
+    return 0;
+}
diff --git a/05-Loops_&_Nested_loops/Nested Loop/programs/Q15.c b/05-Loops_&_Nested_loops/Nested Loop/programs/Q15.c
@@ -0,0 +1,46 @@
+#include<stdio.h>
+#include<windows.h>
+int main()
+{
+    int space=7;
+    for (int row = 1; row <= 16; row++)
+    {
+        for (int col = 1; col <= 8; col++)
+        {
+            if (col<=space)
+            {
+                printf(" ");
+                // Sleep(500);
+            }
+            else
+            {
+                if(row<=12)
+                printf("\x1b[32m* \x1b[0m");
+                else 
+                printf("\x1b[33m* \x1b[0m");
+            }
+        }
+        // Sleep(2000);
+        if (row<12)
+        {
+            if (row%4==0)
+            {
+                space++;
+            }
+            else
+            {
+                space--;
+            } 
+        }
+        else
+        {
+            space=4;
+        }
+        printf("\n");
+    }
+
+
+
+
+    return 0;
+}
diff --git a/05-Loops_&_Nested_loops/Nested Loop/programs/pattern1.c b/05-Loops_&_Nested_loops/Nested Loop/programs/pattern1.c
@@ -1,12 +1,13 @@
 #include <stdio.h>
-
+#include<windows.h>
 int main()
 {
-    for (int i = 0; i < 3; i++)
+    for (int i = 0; i < 5; i++)
     {
-        for (int j = 0; j < 3; j++)
+        for (int j = 0; j < 8; j++)
         {
-            printf("@");
+            printf("*");
+            Sleep(1000);
         }
         printf("\n");
     }

diff --git a/08-Function/swap.c b/08-Function/swap.c
@@ -11,7 +11,7 @@ int main()
 {
     int num1,num2;
     printf("enter 2 numbers \n");
-    scanf("%d %d",&num1,&num2);//10 20
+    scanf("%d%d",&num1,&num2);//10 20
     printf("the value before swapping in main num1=%d and num2=%d \n",num1,num2);//10 20
     swap(num1,num2);//call by value
     printf("the value after swapping in main num1=%d and num2=%d \n",num1,num2); //20 10 ?

diff --git a/13-Pointers/charptr b/13-Pointers/charptr
diff --git a/13-Pointers/charptr3 b/13-Pointers/charptr3
diff --git a/13-Pointers/pointers.c b/13-Pointers/pointers.c
@@ -9,23 +9,23 @@ int main()
     // Pointer: it is a variable whose value is the address of another variable
     // syntax:  datatype *pointername;
     int *ptr; //pointer stores the address of another variable
-    // //this pointer can store the address of int datatype variable
-    // // char *ptr2;
+    // // //this pointer can store the address of int datatype variable
+    // // // char *ptr2;
     ptr=&num;
-    // * represents the value at address
+    // // * represents the value at address
     printf("the value in pointer ptr is %d \n",ptr); //6684188
     printf("the value at address in pointer ptr is %d \n",*ptr);//50
-    *ptr=99;
-    printf("the value of num after changing =%d \n",num);
+    // *ptr=99;
+    // printf("the value of num after changing =%d \n",num);
 
     // printf("the address of ptr pointer is %d \n",&ptr);//6684168
 
     // int *ptr3=NULL; // null pointer
-    // int **dptr;
-    // dptr=&ptr;//6684168
-    // printf("the value in double pointer is %d \n",dptr);//6684168
-    // printf("the value at address dptr %d \n",*dptr);//6684188
-    // printf("the value at address of variable in dptr %d \n",**dptr);//50
+    int **dptr;
+    dptr=&ptr;//6684168
+    printf("the value in double pointer is %d \n",dptr);//6684168
+    printf("the value at address dptr %d \n",*dptr);//6684188
+    printf("the value at address of variable in dptr %d \n",**dptr);//50
 
     return 0;
 }
diff --git a/13-Pointers/swapFxn b/13-Pointers/swapFxn
diff --git a/13-Pointers/swapFxn.c b/13-Pointers/swapFxn.c
@@ -14,8 +14,7 @@ int main()
     printf("enter 2 numbers \n");
     scanf("%d %d",&num1,&num2);//10 20
     printf("the value before swapping in main num1=%d and num2=%d \n",num1,num2);//10 20
-    swap(&num1,&num2);//call by reference
+    // swap(&num1,&num2);//call by reference or pass by reference (reference = address)
     printf("the value after swapping in main num1=%d and num2=%d \n",num1,num2); //20 10
     return 0;
-}
-//reference = address
+}
diff --git a/14-File_handling/Program/structureReadWrite.c b/14-File_handling/Program/structureReadWrite.c
@@ -12,7 +12,7 @@ int main()
 {
     FILE *of;
     // of = fopen("test.txt", "w");
-    of = fopen("test.bin", "ab");
+    of = fopen("test.dat", "ab");
     if (of == NULL)
     {
         fprintf(stderr,"\nError:unable to open the file\n");
@@ -25,6 +25,7 @@ int main()
     fwrite(&inp1, sizeof(struct Course),1,of);
     fwrite(&inp2, sizeof(struct Course),1,of);
     fwrite(&inp3, sizeof(struct Course),1,of);
+
     if (fwrite != 0)
         printf("Contents to file written successfully !\n");
     else
@@ -35,7 +36,7 @@ int main()
     FILE *inf;
     struct Course inp;
     // inf = fopen("test.txt", "r");
-    inf = fopen("test.bin", "rb");
+    inf = fopen("test.dat", "rb");
 
     if (inf == NULL)
     {

diff --git a/14-File_handling/Program/test.bin b/14-File_handling/Program/test.bin
diff --git a/14-File_handling/Program/test.dat b/14-File_handling/Program/test.dat
diff --git a/14-File_handling/read.c b/14-File_handling/read.c
@@ -3,7 +3,7 @@
 int main()
 {
 	FILE *fptr;	//why we need file handling ?
-	fptr=fopen("C:\\Users\\Aman_Tiwari\\Desktop\\Client.java","r");//OPEN FILE IN READING MODE 
+	fptr=fopen("C:\\Users\\admin\\Desktop\\Data.csv","r");//OPEN FILE IN READING MODE 
 	if(fptr==NULL)
 	{
 		printf("Error! unable to open file");

diff --git a/14-File_handling/write.c b/14-File_handling/write.c
@@ -1,12 +1,22 @@
 #include<stdio.h>
+#include<windows.h>
 int main()
 {	
-	char sentence[100];
+	// char sentence[100];
 	FILE *fptr;
-	fptr=fopen("C:/Users/Aman_Tiwari/Desktop/priyanshu.txt","a");
-	printf("enter the sentence:\n");
-	fgets(sentence,100,stdin);
-	fprintf(fptr,"the sentence is :\t%s",sentence);
-	fclose(fptr);
+	// fptr=fopen("C:/Users/admin/Desktop/Aman.txt","w");
+	// fptr=fopen("C:/Users/admin/Desktop/Aman.txt","a");
+	// printf("enter the sentence:\n");
+	// fgets(sentence,100,stdin);
+	// fprintf(fptr,"the sentence is :\t%s",sentence);
+	// fclose(fptr);
+	// system("mkdir \"C:/Users/admin/Desktop/Ravi\"");
+	// system("code .");
+	system("rmdir /s \"C:/Users/admin/Desktop/Ravi\"");
+	// fptr=fopen("C:/Users/admin/Desktop/Ravi/Aman.txt","w");
+	// fclose(fptr);
+	// remove("C:/Users/admin/Desktop/Aman.txt");
+	// rename("C:/Users/admin/Desktop/Aman.txt","C:/Users/admin/Desktop/eklavya.txt");
+
 	return 0;
 }
diff --git a/extra/Q101.c b/extra/Q101.c
@@ -0,0 +1,17 @@
+#include<stdio.h>
+int main()
+{
+    for (int i = 1; i <= 5; i++)
+    {
+        for (int space = 1; space <i; space++)
+        {
+            printf(" ");
+        }
+        for (int star = 5; star >= i; star--)
+        {
+            printf("*");
+        }
+        printf("\n");
+    }
+    return 0;
+}