write a program to find roots of a quadratic equation .

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write a program to find the elements of an array by using binary search .

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#include<stdio.h> #include<conio.h> int main() { int a[50],first=0,middle=0,last,search,n,i; printf("enter the size of an array\n"); scanf("%d",&n); printf("enter integer in ascending order\n",n); for(i=0;i<n;i++) { scanf("%d",&a[i]); } printf("enter value to search\n"); scanf("%d",&search); last=n-1; while(first<=last) { middle=(first+last)/2; if(a[middle]<search) { first=middle+1; } else if(a[middle]==search) { printf("%d found at location %d\n",search,middle+1); break; } else { last=middle-1; } } if(first>last) { printf("%d not found\n",search); } return 0; }
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