The link for this problem OLOLO - Onotole needs your help:

http://www.spoj.com/problems/OLOLO/

This is problem used to demonstrate the use of XOR operation:

Let 'A' be number:

example:

A (XOR) A = 0

A (XOR) 0 = 0

These two properties are used in this problem to obtain the number that occurs only one in the given input in OLOLO - Onotole needs your help problem.

The following is the solution for the problem OLOLO - Onotole needs your help in C.

Happy Coding.............

http://www.spoj.com/problems/OLOLO/

This is problem used to demonstrate the use of XOR operation:

Let 'A' be number:

example:

A (XOR) A = 0

A (XOR) 0 = 0

These two properties are used in this problem to obtain the number that occurs only one in the given input in OLOLO - Onotole needs your help problem.

The following is the solution for the problem OLOLO - Onotole needs your help in C.

#include <stdio.h> int main() { unsigned long long int n,t,i,j,k; j=0; scanf("%llu",&t); for(i=0;i<t;i++) { scanf("%llu",&n); j=j^n; } printf("%llu",j); return 0; }

Happy Coding.............

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