C

DeitelC/ArmstrongNumbers.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int main(void){
+    int a = 1;
+    int b = 0;
+    int c = 0;
+    int d;
+
+    for(a = 1; a <= 9; a++){
+        for(b = 0; b <= 9; b++){
+            for(c = 0; c <= 9; c++) {
+                d = (100*a)+(10*b)+c;
+                if(d == (a*a*a)+(b*b*b)+(c*c*c)) {
+                    printf("%d\n", d);
+                }
+            }
+        }
+    }
+    return 0;
+}

DeitelC/BinaryToDecimal.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+
+int main(void){
+    int a;
+    int b;
+    int c = 1;
+    int d;
+    int e = 2;
+    printf("Enter binary!(5 or less!)\n");
+    scanf("%d", &a);
+    while (a > 0) {
+        b = a % 10;
+        if (b > 0 && c == 1) {
+            d = b;
+            a /= 10;
+            c++;
+
+        } else if (b > 0 && c != 1) {
+            d += e*b;
+            e *=2;
+            a/=10;
+            c++;
+        } else {
+            e *=2;
+            a/=10;
+        }
+    }
+    printf("%d\n", d);
+}

DeitelC/CheckerboardPattern.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main(void) {
+    int a = 1;
+    int b = 1;
+    for(a=1;a<9;a++) {
+        if (a % 2 == 1) {
+            while (b <= 8) {
+                printf("%s","* ");
+                b++;
+            }
+            printf("\n");
+            b = 0;
+        } else {
+            while(b <= 8) {
+                printf("%s", " *");
+                b++;
+            }
+            printf("\n");
+            b = 0;
+        }
+    }
+    return 0;
+}

DeitelC/Circle.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main(void) {
+    float pi = 3.14159;
+    double r;
+    printf("%s\n", "Enter radius of Circle!: ");
+    scanf("%lf", &r);
+    printf("%s %lf\n", "The Diameter of Circle!: ", 2*r);
+    printf("%s %lf\n", "The Circumference of Circle: ", 2*pi*r);
+    printf("%s %lf\n", "The Area of Circle: ", pi*(r*r));
+
+}

DeitelC/FloydsTriangle.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+int main(void) {
+
+    int a = 1;
+    int b = 1;
+    int i = 1;
+
+    while(a < 11) {
+        while(b <= a) {
+            printf("%d\t",i);
+            i++;
+            b++;
+        }
+        printf("\n");
+        b = 1;
+        a++;
+
+    }
+}

DeitelC/HowMany9.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int main(void){
+    int counter = 0;
+    int data = 0;
+    int nine = 9;
+    int lastData;
+
+    printf("Enter integer!: ");
+    scanf("%d", &data);
+    while(data > 0){
+        lastData = data % 10;
+        if (lastData == 9) {
+            counter++;
+            data /= 10;
+        } else {
+            data /= 10;
+        }
+    }
+    printf("%d\n", counter);
+}

DeitelC/MultiplesOf3WithAnInfiniteLoop.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(void) {
+    int three = 3;
+    while (three > 0) {
+        printf("%d\n", three);
+        three *= 3;
+    }
+}

DeitelC/MultiplesOfNumber.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void){
+    int dollar = 0;
+    for(dollar = 0; dollar < 500; dollar++) {
+        if (dollar % 50 == 0) {
+            printf("\n");
+            printf("$ ");
+            dollar++;
+        } else {
+            printf("$ ");
+            dollar++;
+        }
+    }
+}

DeitelC/RightTriangle.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+
+int MaxValue(int number1, int number2, int number3) {
+    int largest = 0;
+    if (number1 <= number2) {
+        largest = number2;
+    } else {
+        largest = number1;
+    }
+
+    if (largest <= number3) {
+        largest = number3;
+    }
+    return largest;
+}
+
+void Least(int number4, int number5, int number6, int *Least1, int *Least2) {
+    if (number4 <= number5) {
+        *Least1 = number4;
+    } else {
+        *Least1 = number5;
+    }
+    
+    if(number5 <= number6) {
+        *Least2 = number5;
+    } else {
+        *Least2 = number6;
+    }
+}
+
+int main(void) {
+    int a;
+    int b;
+    int c;
+    int d;
+    int Least3;
+    int Least4;
+
+    printf("%s\n","Enter first value of Right Triangle!");
+    scanf("%d", &a);
+    printf("%s\n","Enter second value of Right Triangle!");
+    scanf("%d", &b);
+    printf("%s\n","Enter last value of Right Triangle!");
+    scanf("%d", &c);
+
+    d = MaxValue(a,b,c);
+    Least(a,b,c,&Least3,&Least4);
+    if((d*d) == (Least3*Least3)+(Least4*Least4)) {
+        printf("%s\n", "Yes this triangle is a right triangle!");
+    } else {
+        printf("%s\n", "No");
+    }
+    printf("%d\n", d);
+    printf("%d %d\n", Least3, Least4);
+}

DeitelC/SideOfATriangle.c

@@ -0,0 +1,43 @@
+#include <stdio.h>
+
+int AbsoluteValue(int number) {
+    if (number < 0) {
+        number *= -1;
+    }
+    return number;
+}
+
+int main() {
+    int a;
+    int b;
+    int c;
+    int check = 0;
+    printf("%s\n", "Enter sides of Triangle! (Enter first value!): ");
+    scanf("%d", &a);
+    printf("%s\n", "Enter sides of Triangle! (Enter second value!): ");
+    scanf("%d", &b);
+    printf("%s\n", "Enter sides of Triangle! (Enter last value!): ");
+    scanf("%d", &c);
+
+
+    if(AbsoluteValue(b-a) < c && c < a+b) {
+        check++;
+    } else {
+        printf("%s\n", "Check 1 NOT COMPLETED!");
+    }
+    if(AbsoluteValue(c-a)< b && b < c+a) {
+        check++;
+    } else {
+        printf("%s\n", "Check 2 NOT COMPLETED!");
+    }
+    if(AbsoluteValue(c-b)< a && a < c+b) {
+        check++;
+    } else {
+        printf("%s\n", "Check 3 NOT COMPLETED!");
+    }
+    if(check == 3) {
+        printf("%s\n", "Yes this is a triangle!");
+    } else {
+        printf("%s\n", "No");
+    }
+}