Submission #620

#	Time	Username	Problem	Language	Result	Execution time	Memory
620		jwvg0425	지도 색칠하기 (GA3_map)	C++98	0 / 120	0 ms	920 KiB

map

#include <algorithm>
int C[21][21],D[21],E[21],F[21];
int Compare(const void* a, const void* b)
{
	return E[*(int*)b]-E[*(int*)a];
}
long long int NumberOfMaps(int N, int M, int* A,int* B)
{
	long long int i,j,k=1;
	for(i=1;i<=N;i++)F[i]=i;
	for(i=0;i<M;i++)
	{
		C[A[i]][B[i]]=C[B[i]][A[i]]=1;
		E[A[i]]++;
		E[B[i]]++;
	}
	qsort(F+1,N,sizeof(int),Compare);
	for(i=1;E[F[1]];)
	{
		for(j=i+1;j<=N;j++)
		{
			if(C[F[i]][F[j]])
			{
				D[F[j]]--;
				E[F[i]]--;
				E[F[j]]--;
				C[F[i]][F[j]]=C[F[j]][F[i]]=0;
			}
		}
		qsort(F+1,N,sizeof(int),Compare);
	}
	for(i=1;i<=N;i++)
		k*=D[i]+4;

	return k;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 25
• Subtask 4: 0 / 30
• Subtask 5: 0 / 35