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  1. #include <iostream>
  2. #include <cstdio>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long long int x, y, z, n, tmp, a[7]={0}, ans;
  7. 	const int md=1e9+7;
  8. 	scanf("%lld%lld", &x, &y);
  9. 	scanf("%lld", &n);
  10. 	z=y-x, a[1]=x, a[2]=y;
  11. 	for(int i=3; i<=6; i++) {
  12. 		tmp=x, x=y, y=z, z=y-x, a[i%6]=y;
  13. 	}
  14. 	if(a[n%6]>=0) printf("%lld", a[n%6]%md);
  15. 	else printf("%lld", (md+a[n%6]%md)%md);
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 3300KB
comments ()
stdin
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7 -1000000000
3
stdout
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Standard output is empty
https://ideone.com/Eh6hpS
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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