Submission #305990

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Source Code Expand

#include <stdio.h>
#ifdef WIN32
char strll[10]="%I64d";
#else
char strll[10]="%lld";
#endif
long long n;
int Q;
long long GetSqrt(long long x)
{
	long long l=0,r=1000000000;
	long long mid=(l+r)/2;
	long long f;
	while(l<r)
	{
		mid=(l+r+1)/2;
		f=2*mid*(mid+1);
		if(f<x)
		{
			l=mid;
		}
		else
		{
			r=mid-1;
		}
	}
	return l;
}
long long abs(long long x)
{
	return x>0?x:-x;
}
long long dig(long long x)
{
	if(x==0) return 0;
	return x>0?1:-1;
}
int main()
{
	long long lvl,ys;
	scanf("%d",&Q);
	for(int T=1; T<=Q; ++T)
	{
		scanf(strll,&n);
		n-=1;
		if(n==0)
		{
			printf("0 0\n");
			continue;
		}
		lvl=GetSqrt(n)+1;
		ys=n-2*lvl*(lvl-1);
		if(ys==1)
		{
			printf(strll,-lvl);
			printf(" 0\n");
		}
		else
		if(ys==4*lvl)
		{
			printf(strll,lvl);
			printf(" 0\n");
		}
		else
		{
			printf(strll,ys/2-lvl);
			printf(" ");
			printf(strll,((ys%2)*2-1)*(lvl-abs(ys/2-lvl)));
			printf("\n");
		}
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:41:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:44:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result