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Introduction [cont'd]
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Else-If in Decision Statements of Programming in C
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Else-If 
ELSE-IF is also decision making statement. It is used to check more than one conditions as one by one. If first condition is true then the block of statements will execute otherwise if next condition is true then executes its block of statements. If all conditions are false then the ELSE block will execute.
Syntax 
If (condition or expression)
{
   statements;
}
else if (condition or expression)
{
   statements;
}
else
{
   statements;
}
Program
#include
void main(){
    int a,b,c;
    printf("Enter a,b and c values\n");
    scanf("%d%d%d",&a,&b,&c);
    if (a>b && a>c)
    printf("A is big");
    else if (b > c)
    printf("B is big");
    else
    printf("C is big");
}
Output 
Enter a,b and c values
12
23
14

B is big
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