QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#659290#9487. Vivid Colorsucup-team1004#ML 0ms4440kbC++202.8kb2024-10-19 19:29:562024-10-19 19:29:57

Judging History

你现在查看的是最新测评结果

  • [2024-10-19 19:29:57]
  • 评测
  • 测评结果:ML
  • 用时:0ms
  • 内存:4440kb
  • [2024-10-19 19:29:56]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=2e3+5,M=N*120+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-7;const int INF=1e9+7;mt19937 rnd(263082);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#ifdef LOCAL
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
	#else 
	#define gdb(...) void()
	#endif
}using namespace Debug;
using cp=complex<db>;
int n,m,k;
int X[N],Y[N];
cp A[N];
db deg[N];
int rk[N],p[N];
ll sumx[N],sumy[N];
ll ans[N];
ll sq(ll x){return x*x;}
void chkmax(int x){
	ans[x]=max(ans[x],sq(2*sumx[x]-sumy[x])+sq(2*sumy[x]-sumx[x])+sq(sumx[x]+sumy[x]));
}
void chkswap(int x,db ti){
	ti+=1e-9;
	if(cos(ti)*(A[p[x]].real()-A[p[x+1]].real())+sin(ti)*(A[p[x]].imag()-A[p[x+1]].imag())<eps){
		swap(p[x],p[x+1]);
		swap(rk[p[x]],rk[p[x+1]]);
		sumx[x]=sumx[x-1]+X[p[x]];
		sumy[x]=sumy[x-1]+Y[p[x]];
		chkmax(x);
		ti-=1e-9;
		if(x^1) chkswap(x-1,ti);
		if(x^n-1) chkswap(x+1,ti);
	}
}
ll mpow(ll x,int y=mod-2){ll ans=1;while(y) y&1&&(ans=ans*x%mod),y>>=1,x=x*x%mod;return ans;}
void Solve(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		int x,y,z;scanf("%d%d%d",&x,&y,&z);
		X[i]=y-x;Y[i]=z-x;
		A[i]=cp(sqrt(6)*X[i]-5.0/sqrt(6)*Y[i],sqrt(6-25.0/6.0)*Y[i]);
	}
	for(int i=1;i<=n;i++){
		deg[i]=atan2(A[i].imag(),A[i].real());
	}
	const db pi=acos(-1);
	vector<tuple<db,int,int> > Q;
	for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) if(fabs(deg[i]-deg[j])>eps){
		db w=atan2(A[j].real()-A[i].real(),A[i].imag()-A[j].imag());
		if(w<0) w+=2*pi;
		Q.emplace_back(w,i,j);
	}
	sort(all(Q));
	iota(p+1,p+n+1,1);
	sort(p+1,p+n+1,[](int x,int y){return A[x].real()>A[y].real();});
	for(int i=1;i<=n;i++) rk[p[i]]=i;
	for(int i=1;i<=n;i++) sumx[i]=sumx[i-1]+X[p[i]],sumy[i]=sumy[i-1]+Y[p[i]],chkmax(i);
	for(auto [w,x,y]:Q){
		if(rk[x]^n) chkswap(rk[x],w);
		if(rk[x]^1) chkswap(rk[x]-1,w);
		if(rk[y]^n) chkswap(rk[y],w);
		if(rk[y]^1) chkswap(rk[y]-1,w);
		// for(int i=1;i<n;i++) chkswap(i,w);
	}
	for(int i=1;i<=n;i++) gdb(ans[i]);
	for(int i=1;i<=n;i++) printf("%lld\n",ans[i]%mod*mpow(27*i*i)%mod);
}
int main(){
	int t=1;
	// scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 4440kb

input:

3
180 0 0
0 180 180
0 0 180

output:

7200
5400
800

result:

ok 3 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 4440kb

input:

6
30594 32322 46262
63608 59020 98436
90150 32740 67209
82886 4627 54813
3112 67989 74995
60872 9967 9051

output:

715162883
838096208
930330061
405079896
880764907
526006962

result:

ok 6 tokens

Test #3:

score: -100
Memory Limit Exceeded

input:

144
41472 41434 41317
16965 16900 17440
65702 65688 65497
15829 15900 15359
186620 186555 186425
22130 22030 22145
22995 23022 23320
54430 54525 54770
145816 145739 146046
106008 106083 106073
84481 84531 84306
162468 162563 162313
144375 144342 144210
68596 68548 68201
124014 124100 123649
137878 1...

output:


result: