Submission #1865235

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Source Code Expand

#include<cstdio>
#include<map>
#define ll long long
using namespace std;
const int N=405;
int n,i,j,k,x,c[N][4];ll a[N],v[4],ans;
ll num(int a,int b,int c,int d){
	return ((ll)a<<30)+(b<<20)+(c<<10)+d;
}
map<ll,int> mp;
void add(ll x,int k){
	for (int i=4;i--;x=x>>10|(x&1023)<<30) mp[x]+=k;
}
int main(){
	scanf("%d",&n);
	for (i=1;i<=n;add(a[i],1),i++) for (j=0;j<4;j++)
		scanf("%d",&c[i][j]),a[i]=(a[i]<<10)+c[i][j];
	for (i=1;i<=n-5;i++)
		for (add(a[i],-1),j=i+1;j<=n;j++){
			add(a[j],-1);
			for (k=4;k--;){
				v[0]=num(c[i][0],c[j][k],c[j][(k+3)&3],c[i][1]);
				v[1]=num(c[i][1],c[j][(k+3)&3],c[j][(k+2)&3],c[i][2]);
				v[2]=num(c[i][2],c[j][(k+2)&3],c[j][(k+1)&3],c[i][3]);
				v[3]=num(c[i][3],c[j][(k+1)&3],c[j][k],c[i][0]);
				if (!mp[v[0]]||!mp[v[1]]||!mp[v[2]]||!mp[v[3]]) continue;
				ll res=1;
				for (x=4;x--;) res*=mp[v[x]],add(v[x],-1);
				for (ans+=res,x=4;x--;) add(v[x],1);
			}
		 	add(a[j],1);
		}
	printf("%lld",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:17:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&c[i][j]),a[i]=(a[i]<<10)+c[i][j];
                                               ^

Judge Result