Submission #8845

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
8845	2014-09-21 11:19:34	gs13068	Quaternion inverse (kriii2_Q)	C++98	4 / 4	564 ms	1088 KiB

Q

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#include<cstdio>
long long a[4][5];
long long t[4];
long long f(long long x,long long y,long long z)
{
  if(y==0)return 1;
    if(y&1)return f(x,y-1,z)*x%z;
    long long t=f(x,y>>1,z);
    return t*t%z;
}
int main()
{
  int n,m;
  scanf("%d%d",&n,&m);
  while(m--)
  {
    int i,j,k,l,tt;
    for(i=0;i<4;i++)scanf("%lld",&t[i]);
        a[0][0]=t[0];
        a[0][1]=-t[1];
        a[0][2]=-t[2];
        a[0][3]=-t[3];
        a[0][4]=1;
        a[1][0]=t[1];
        a[1][1]=t[0];
        a[1][2]=-t[3];
        a[1][3]=t[2];
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 3 / 3