![ARRAY is a collection of data items
All of the same type
A common name
Array declaration syntax:
data_type arr_name [arr_size];
int mark[120];](https://image.slidesharecdn.com/array-180310180936/85/Array-3-320.jpg)
![INDEX:
int mark[5];
mark[0]=45;
mark[1]=56;
mark[2]=40;
mark[3]=58;
mark[4]=78;
int mark[5]={45,56,40,58,78};
Size =[n] Index=( [0] – [n-1] )](https://image.slidesharecdn.com/array-180310180936/85/Array-5-320.jpg)
![#include<stdio.h>
int main()
{
int mark [5];
mark[0]=45;
mark[1]=56;
mark[2]=40;
mark[3]=58;
mark[4]=78;
printf("%d",num[0]); //try other index
}](https://image.slidesharecdn.com/array-180310180936/85/Array-6-320.jpg)
![#include<stdio.h>
int main()
{
int mark[5]={45,56,40,58,78};
printf("%d",num[0]); //try other index
}](https://image.slidesharecdn.com/array-180310180936/85/Array-7-320.jpg)
![#include<stdio.h>
main()
{
int num[5]={87,45,48,4,2};
int i;
for(i=0;i<=4;i++)
printf("num[%d]=%dn",i,num[i]);
}](https://image.slidesharecdn.com/array-180310180936/85/Array-8-320.jpg)
![#include<stdio.h>
main()
{
int num[5];
int i;
printf("enter student math markn");
for(i=0;i<=4;i++)
{ printf("student %d:",i+1);
scanf("%d",&num[i]);
}
printf("show student markn");
for(i=0;i<=4;i++)
{ printf("student%d math mark:%dn",i+1,num[i]); }
}](https://image.slidesharecdn.com/array-180310180936/85/Array-9-320.jpg)
![#include<stdio.h>
main()
{ int math[5],eng[5];
int i;
printf("enter student math markn");
for(i=0;i<=4;i++)
{ printf("student %d:",i+1);
scanf("%d",&math[i]);
}
printf("enter student english markn");
for(i=0;i<=4;i++)
{ printf("student %d:",i+1);
scanf("%d",&eng[i]);
}
printf("show student total markn");
for(i=0;i<=4;i++)
{printf("student%d total mark:%dn",i+1,math[i]+eng[i]); } }](https://image.slidesharecdn.com/array-180310180936/85/Array-10-320.jpg)
Array
- 1. ARRAY
- 2. #include<stdio.h> int main() { float student1,student2,student3,student4, student5,student6,student7,student8,student9 …………………….; printf("enter 1st student mark:"); scanf("%f",&student1); printf("enter 2nd student mark:"); scanf("%f",&student2); printf("enter 3rd student mark:"); scanf("%f",&student3); ……………………………………………….}
- 3. ARRAY is a collection of data items All of the same type A common name Array declaration syntax: data_type arr_name [arr_size]; int mark[120];
- 5. INDEX: int mark[5]; mark[0]=45; mark[1]=56; mark[2]=40; mark[3]=58; mark[4]=78; int mark[5]={45,56,40,58,78}; Size =[n] Index=( [0] – [n-1] )
- 6. #include<stdio.h> int main() { int mark [5]; mark[0]=45; mark[1]=56; mark[2]=40; mark[3]=58; mark[4]=78; printf("%d",num[0]); //try other index }
- 7. #include<stdio.h> int main() { int mark[5]={45,56,40,58,78}; printf("%d",num[0]); //try other index }
- 9. #include<stdio.h> main() { int num[5]; int i; printf("enter student math markn"); for(i=0;i<=4;i++) { printf("student %d:",i+1); scanf("%d",&num[i]); } printf("show student markn"); for(i=0;i<=4;i++) { printf("student%d math mark:%dn",i+1,num[i]); } }
- 10. #include<stdio.h> main() { int math[5],eng[5]; int i; printf("enter student math markn"); for(i=0;i<=4;i++) { printf("student %d:",i+1); scanf("%d",&math[i]); } printf("enter student english markn"); for(i=0;i<=4;i++) { printf("student %d:",i+1); scanf("%d",&eng[i]); } printf("show student total markn"); for(i=0;i<=4;i++) {printf("student%d total mark:%dn",i+1,math[i]+eng[i]); } }
- 11. Assignment: Input 5 student name ,math mark,physics mark and show name with total mark.