100 Most Important C# Programs

1.5 1-5

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6.10 6-10

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11.15 11-15

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16.20 16-20

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21.25 21-25

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Code:

#include<stdio.h>

#include<conio.h>

main( )

{

int a[20],i,n1=0,n2=0,n3=0,n4=0,n5=0;

clrscr();

printf(“enter the any 20 no of range(1-

25));

for(i=1;i<=20;i++)

scanf(“%d”,&a[i]);

for(i=1;i<=20;i++)

if((a[i]>=1)&&(a[i]<6))

n1++;

else

if((a[i]>5)&&(a[i]<11))

n2++;

else

if((a[i]>10)&&(a[i]<16))

n3++;

else

if((a[i]>15)&&(a[i]<21))

n4++;

else

if((a[i]>20)&&(a[i]<26))

n5++;

printf(“class interval frequency”);

printf(“\n 1-5 %d”,n1);

printf(“\n 6-10 %d”,n2);

printf(“\n 11-15 %d”,n3);

printf(“\n 16-20 %d”,n4);

printf(“\n 21-25 %d”,n5);

getch();

}