initial commit

Author: subhankar18r

02_conditional_statements/02_evenOrOdd.c renamed to 02_conditional_statements/01_evenOrOdd.c

@@ -0,0 +1,39 @@
+// Implement a C program that takes a student's score as input and assigns a grade based on the following criteria:90 -100 : A, 80 - 89 : B, 70 - 79 : C, 60 - 69 : D, Below 60 : F
+
+#include <stdio.h>
+
+int main()
+{
+    int score;
+    printf("enter your score: ");
+    scanf("%d", &score);
+    if (score <= 100 && score >= 0)
+    {
+        if (score >= 90)
+        {
+            printf("A\n");
+        }
+        else if (score >= 80)
+        {
+            printf("B\n");
+        }
+        else if (score >= 70)
+        {
+            printf("C\n");
+        }
+        else if (score >= 60)
+        {
+            printf("D\n");
+        }
+        else
+        {
+            printf("you are fail\n");
+        }
+    }
+    else
+    {
+        printf("you enter invalid score, score must be 0-100\n");
+    }
+
+    return 0;
+}

02_conditional_statements/01_positiveOrNegative.c renamed to 02_conditional_statements/02_positiveOrNegative.c

@@ -0,0 +1,21 @@
+// Write a C program to determine if a given year is a leap year. Leap years are divisible by 4, except for those divisible by 100 but not by 400.
+
+#include <stdio.h>
+
+int main()
+{
+    int year;
+    printf("enter the year: ");
+    scanf("%d", &year);
+
+    if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
+    {
+        printf("this is a leap year\n");
+    }
+    else
+    {
+        printf("it is not a leap year.\n");
+    }
+
+    return 0;
+}

02_conditional_statements/03_gradingSystem.c

@@ -1,10 +1,11 @@
+// take a input from user and check wheter a number is a natural number or not
 #include <stdio.h>
 
 int main()
 {
-    int valid = 1, a;
+    int a;
     float given_number;
-    printf("enter number: \n");
+    printf("enter number: ");
     scanf("%f", &given_number);
     a = given_number;
     if (given_number > 0 && given_number - a == 0)

02_conditional_statements/04_leapYear.c

@@ -0,0 +1,33 @@
+// Create a C program that takes three integers as input and finds the maximum of the three using if - else statements.
+
+#include <stdio.h>
+
+int main()
+{
+    int a, b, c;
+    printf("enter three numbers: ");
+    scanf("%d %d %d", &a, &b, &c);
+    if (a > b)
+    {
+        if (a > c)
+        {
+            printf("%d is largest\n", a);
+        }
+        else
+        {
+            printf("%d is largest\n", c);
+        }
+    }
+    else
+    {
+        if (b > c)
+        {
+            printf("%d is largest\n", b);
+        }
+        else
+        {
+            printf("%d is largest\n", c);
+        }
+    }
+    return 0;
+}

02_conditional_statements/05_naturalNumber.c

@@ -0,0 +1,39 @@
+// Write a C program that takes a character as input and checks if it's a vowel (a, e, i, o, u) or a consonant.
+
+#include <stdio.h>
+
+int main()
+{
+    char ch;
+    printf("enter a caracter: ");
+    scanf("%c", &ch);
+    switch (ch)
+    {
+    case 'a':
+    case 'A':
+        printf("this is a vowel\n");
+        break;
+    case 'e':
+    case 'E':
+        printf("this is a vowel\n");
+
+        break;
+    case 'i':
+    case 'I':
+        printf("this is a vowel\n");
+        break;
+    case 'o':
+    case 'O':
+        printf("this is a vowel\n");
+        break;
+    case 'u':
+    case 'U':
+        printf("this is a vowel\n");
+        break;
+
+    default:
+        printf("this is not a vowel\n");
+        break;
+    }
+    return 0;
+}

02_conditional_statements/06_largestAmongThree.c

@@ -0,0 +1,39 @@
+// Write a C program that takes an integer (1-7) as input and uses a switch statement to print the corresponding day of the week (e.g., 1 for "Sunday," 2 for "Monday," etc.).
+
+#include <stdio.h>
+
+int main()
+{
+    int a;
+    printf("enter a number between 1 - 7: ");
+    scanf("%d", &a);
+    switch (a)
+    {
+    case 1:
+        printf("sunday\n");
+        break;
+    case 2:
+        printf("monday\n");
+        break;
+    case 3:
+        printf("tuesday\n");
+        break;
+    case 4:
+        printf("wednesday\n");
+        break;
+    case 5:
+        printf("thursday\n");
+        break;
+    case 6:
+        printf("friday\n");
+        break;
+    case 7:
+        printf("saturday\n");
+        break;
+
+    default:
+        printf("a week has only seven day\n");
+        break;
+    }
+    return 0;
+}