Submission #1690975

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

typedef long long  LL;
typedef vector <int>  VI;
int n;
LL ans,s;
map <VI,int> M;
VI c[405],x,y,z[4];

void getmin(VI &a)
{
	VI b=a;
	for (int i=1,t; i<4; i++)
		{
			t=b[0],b[0]=b[1],b[1]=b[2],b[2]=b[3],b[3]=t;
			if (b<a)  a=b;
		}
}

int cnt(VI a)
{
	int cnt=1;  VI b=a;
	for (int i=1,t; i<4; i++)
		{
			t=b[0],b[0]=b[1],b[1]=b[2],b[2]=b[3],b[3]=t;
			if (a==b)  cnt++;
		}
	return cnt;
}

void work()
{
	scanf("%d",&n);
	for (int i=1; i<=n; i++)
		{
			c[i].resize(4);
			for (int j=0; j<4; j++)  scanf("%d",&c[i][j]);
			getmin(c[i]),M[c[i]]++;
		}
	for (int i=0; i<4; i++)  z[i].resize(4);
	for (int i=1; i<=n; i++)
		for (int j=1; j<i; j++)
			{
				M[x=c[i]]--,M[y=c[j]]--,reverse(x.begin(),x.end());
				for (int k=0,t; k<4; k++)
					{
						z[0][0]=x[0],z[0][1]=x[1],z[0][2]=y[1],z[0][3]=y[0];
						z[1][0]=x[1],z[1][1]=x[2],z[1][2]=y[2],z[1][3]=y[1];
						z[2][0]=x[2],z[2][1]=x[3],z[2][2]=y[3],z[2][3]=y[2];
						z[3][0]=x[3],z[3][1]=x[0],z[3][2]=y[0],z[3][3]=y[3];
						s=1;
						for (int l=0; l<4; l++)  getmin(z[l]),s*=cnt(z[l])*(M[z[l]]--);
						ans+=s;
						for (int l=0; l<4; l++)  M[z[l]]++;
						t=y[0],y[0]=y[1],y[1]=y[2],y[2]=y[3],y[3]=t;
					}
				M[c[i]]++,M[c[j]]++;
			}
	printf("%lld",ans/3);
}

int main()
{
	work();
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void work()’:
./Main.cpp:34:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:38:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    for (int j=0; j<4; j++)  scanf("%d",&c[i][j]);
                                                 ^

Judge Result