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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5. 	scanf("%d",&n);
  6. 	while(n--){
  7. 		long long result;
  8. 		long long a,b;
  9. 		scanf("%lld%lld",&a,&b);
  10. 		if(a>=b)
  11. 			result=(a%2==0)? (a*a-b+1):((a-1)*(a-1)+b);
  12. 		else if(a<b)
  13. 			result=(b%2==0)? ((b-1)*(b-1)+a):(b*b-a+1);
  14. 		printf("%lld\n",result);
  15. 	}
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/zmjoaL
Number spiral（正確，找通式by Chatgpt）
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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