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Typology: Summaries
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Program :
#include #include int main() { char ch; printf(“Please enter any character:”); ch=getchar(); if(isalpha(ch)) printf(“/n Alphabet”); else if(isdigit(ch)) printf(“/n Number”); else Printf(“\n Special character”); getch(); return(0); } OUTPUT: Please enter any characters : 4Number Please enter any characters : aAlphabet Please enter any characters : “Special character
Program : #include int main() { float fh,cl; int choice; printf("\n1: Convert temperature from Fahrenheit toCelsius."); printf("\n2: Convert temperature from Celsius toFahrenheit."); printf("\nEnter your choice (1, 2): "); scanf("%d",&choice); if (choice ==1) { printf("\nEnter temperature in Fahrenheit: "); scanf("%f",&fh); cl=(fh-32)/1.8; printf("Temperature in Celsius: %.2f",cl); } elseif(choice==2) { printf("\nEnter temperature in Celsius: "); scanf("%f",&cl); fh= (cl*1.8)+32; printf("Temperature in Fahrenheit: %.2f",fh); } else { printf("\nInvalid Choice !!!"); } return 0; Output : First Run: 1: Convert temperature from Fahrenheit to Celsius. 2: Convert temperature fromCelsius to Fahrenheit. Enter your choice (1, 2): 1 Enter temperature in Fahrenheit: 98.6Temperature in Celsius: 37. Second Run: 1: Convert temperature from Fahrenheit to Celsius. 2: Convert temperature from Celsius to Fahrenheit. Enter your choice (1, 2): 2 Enter temperature in Celsius: 37.0Temperature in Fahrenheit: 98.
Program: #include int main() { int a, b, c, largest; printf("Please Enter three different values\n"); scanf("%d %d %d", &a, &b, &c); largest =((a>b && a>c)?a: (b>c)?b:c); printf("\nLargest : %d", largest); return 0; } Output: Please Enter three different values 9 26 Largest: 56
Program : #include void main() { int num, rem; printf("Enter the number : "); scanf("%d", &num); rem = num % 2;if (rem! == 0) printf("The entered number %d is an even integer\n", num); else printf("The entered number %d is an odd integer\n", num); } Output : Enter the number: 15 The entered number 15 is odd integerEnter the number: 22 The entered number 22 is an even integer
Program : #include int main() { int number; printf(“Enter any integer number”); scanf(“%d”,&number); switch (number) { case 1: case 2: case 3: printf("One, Two, or Three.\n"); break; case 4: case 5: case 6: printf("Four, Five, or Six.\n"); break; default: printf("Greater than Six.\n"); } } Output : Enter any integer number 5Four, Five, or Six.
Program : #include int main() { int i; double number,sum=0.0;for(i=1;i<=5;i++) { printf(“Enter value of n:%d”,i);scanf(“%lf”,&number); //if the user enter a negative number, break the loopif(number<0.0) { break; } sum+=number; } printf(“sum=%2lf”,sum);getch(); return 0; } Output : Enter value of n :5 1 2 - 3 Sum = 3
(i) Looping statements – for loopProgram : #include int main() { inti, num; printf("Enter number to print table: "); scanf("%d", &num); for(i=1; i<=10; i++) { printf("%d * %d = %d\n", num, i, (num*i)); } return 0; } Output : Enter number to print table: 77 * 1 = 7 7 * 2 = 14 7 * 3 = 21 7 * 4 = 28 7 * 5= 7 * 6= 7 * 7= 7 * 8= 7 * 9= 7 * 10=
(ii) Looping statements – while loopProgram : #include int main() { int num,digit,sum,temp; sum=0; printf("Enter a number:"); scanf("%d",&num); temp=num; while(temp!=0) { digit=temp%10; sum=sum+digit; temp=temp/10; } printf("Sum of digits of %d is %d",num,sum); return 0; } Output: Enter a number :654Sum of digits is=15 Enter a number :123Sum of digits is=
One dimensional ArrayProgram : #include void main() { inti, j, a, n, number[30]; printf("Enter the value of N \n"); scanf("%d", &n); printf("Enter the numbers \n"); for (i = 0; i< n; ++i) scanf("%d", &number[i]); for (i = 0; i< n; ++i) { for (j = i + 1; j < n; ++j) { if (number[i] > number[j]) { a = number[i]; number[i] = number[j]; number[j] = a; } } } printf("The numbers arranged in ascending order aregiven below \n"); for (i = 0; i< n; ++i) printf("%d\n", number[i]); } Output : Enter the value of N Enter the numbers 78 90 456 780 200 The numbers arranged in ascending order are givenbelow 3 78 90 200 456 780
Two dimensional arrayProgram: #include #include int main() { int a[10][10],b[10][10],c[10][10],m,n,r,s,i,j,k; clrscr(); printf("enter the number of rows and columns of I matrix :"); scanf("%d %d",&m,&n); printf("enter the number of rows and columns of II matrix"); scanf("%d%d”,&r,&s); if(n!=s) printf(“matrix multiplication is not possible”); else { printf("enter the first matrix element=\n"); for(i=0;i Program: #include int main() { int arr[2][3][3]; int tables,rows,cols; printf("enter the values in the array: \n"); for(tables=1;tables<=2;tables++) { for(rows=1;rows<=3;rows++) { for(cols=1;cols<=3;cols++) { printf(“the value at arr[%d][%d][%d]:”,tables,rows,cols); scanf (“%d”,&arr[tables][rows][cols]); }}} printf(“printing the values in array:\n”); for(i=1;i<=2;i++) { for(j=1;j<=3;j++) { for(k=1;k<=3;k++) { printf("%d ",arr[tables][rows][cols]); if(k==3) { printf("\n"); } } } printf("\n"); } return 0; }
enter the values in the array:the value at arr[1][1][1]: 23 the value at arr[1][1][2]: the value at arr[1][1][3]: 45 the value at arr[1][2][1]: 76 the value at arr[1][2][2]: 78 the value at arr[1][2][3]: 98 the value at arr[1][3][1]: 87 the value at arr[1][3][2]: 67 the value at arr[1][3][3]: 98 the value at arr[2][1][1]: 34 the value at arr[2][1][2]: 23 the value at arr[2][1][3]: 67 the value at arr[2][2][1]: 58 the value at arr[2][2][2]: 19 the value at arr[2][2][3]: the value at arr[2][3][1]: 39 the value at arr[2][3][2]: 82 the value at arr[2][3][3]: 44 printing the values in array: 23 34 45 76 78 98 87 67 98 34 23 67 58 19 84 39 82 44
Program : #include #includeint main() { int length; char s[20] = “We are Here”; char src[20]= “ Destination”;char dest[20]= “”; char src[20]= “ before”;char dest[20]= “after ”; char str1[]=”copy”; char str2[]=”Trophy”; char str[]=”CONVERT me To the Lower Case”; length=strlen(s); printf(“\Length of the string is = %d \n”, length); //strcpy printf(“\n source string is = %s”, src); printf(“\n destination string is = %s”, dest); strcpy(dest, src); printf (“\ntarget string after strcpy() = %s”, dest); //Strcat strcat(dest, src); printf(“\n Concatnated string is:”); puts(dest); //Strcmpint i,j,k; printf(“\nString comparision”); i=strcmp(str1, “copy”); j=strcmp(str1, str2); k=strcmp(str1, “f”); printf(“\n %d %d %d”,i,j,k); //strlwr printf(“%s\n”, strlwr(str)); } Output: Length of the string is = 11 Source string is = DestinationTarget string is = Target string after strcpy() = DestinationConcatinated string is: The output will be: after beforeString comparision 0 - 1 convert me to the lower case
Call by referenceProgram #include void swap(int *, int *); //prototype of the function int main() { int a = 10;int b = 20; printf("Before swapping the values in main a = %d, b =%d\n",a,b); // printing the value of a and b in mainswap(&a,&b); printf("After swapping values in main a = %d, b = %d\n",a,b); // The values of actual parameters do change in call byreference, a = 10, b = 20 } void swap (int *a, int *b) { int temp; temp = a; a=b; b=temp; printf("After swapping values in function a = %d, b =%d\n",a,b); // Formal parameters, a = 20, b = 10 } OUTPUT: Before swapping the values in main a =10 ,b= After swapping values in main a = 20,b= After swapping values in main a = 20, b = 10
