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Adding Negative numbers without using plus operator

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- January 15, 2019

int main() {
int x = -1, y = -4;
while(y!=0)
{
x--;
y++;

}
printf("%d",x);

return 0;
}

output: -5

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Program to know the range of short signed integer

- January 14, 2019

/* Program to know the range of short signed integer*/ #include <stdio.h> #include <limits.h> int main() { short int var1 = SHRT_MIN; short int var2 = SHRT_MAX; printf("range of short signed integer is from %d to %d",var1,var2); return 0; }

Program to know the range of unsigned integer

- January 14, 2019

/* Program to know the range of unsigned integer*/ #include <stdio.h> #include <limits.h> int main() { int var1 = 0; int var2 = UINT_MAX; printf("range of unsigned integer is from %u to %u",var1,var2); return 0; }

Finding first or last occurrence of an element in array

- January 16, 2019

#include <stdio.h> int main() { int A[] = {2,2,6,8,10,11}; int x = 2; int n = 6; int result = -1; int index = binarySearch(A,n,x); if(index == -1) { printf("%d is not found at index %d",x,index); } else { printf("%d is found at index %d",x,index); } return 0; } int binarySearch(int A[],int n,int x){ int start = 0, end = n-1, option,result = -1; printf("Choose option:1 for first occurrence \nChoose option:2 for last occurrence\n"); printf("Enter any option to find first or last occurrence of an element:"); scanf("%d",&option); while(start <= end){ int mid = (start + end)/2; if(option == 1){ if(x == A[mid]){ result = mid; end = mid-1; } else if(x < A[mid]){ end = mid-1; } else{ ...

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