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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#482897#7221. The Road NetworkinksamuraiWA 0ms3876kbC++232.7kb2024-07-18 00:38:172024-07-18 00:38:18

Judging History

你现在查看的是最新测评结果

  • [2024-07-18 00:38:18]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3876kb
  • [2024-07-18 00:38:17]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int) a.size()
#define all(a) a.begin(),a.end()
#define vec(...) vector<__VA_ARGS__>
#define _3zlqvu8 ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}

// snuke's mod int
template <ll mod>
struct modint{
	ll x;
	modint(ll x=0):x((x%mod+mod)%mod){}
	modint operator-()const{return modint(-x);}
	modint& operator+=(const modint a){if((x+=a.x)>=mod) x-=mod; return *this;}
	modint& operator-=(const modint a){if((x+=mod-a.x)>=mod) x-=mod; return *this;}
	modint& operator*=(const modint a){(x*=a.x)%=mod; return *this;}
	modint operator+(const modint a)const{modint res(*this); return res+=a;}
	modint operator-(const modint a)const{modint res(*this); return res-=a;}
	modint operator*(const modint a)const{modint res(*this); return res*=a;}
	modint pow(ll n)const{
		modint res=1,x(*this);
		while(n){
			if(n&1)res*=x;
			x*=x;
			n>>=1;
		}
		return res;
	}
	modint inv()const{return pow(mod-2);}
};

using mint=modint<998244353>;

using pim=pair<int,mint>;

void slv(){
	int n,d;
	cin>>n>>d;

	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	sort(all(a));

	vi lo,hi;
	rep(i,n-1){
		if(a[i]+a[i+1]>=d){
			rng(j,i,n){
				hi.pb(a[j]);
			}
			per(j,i){
				lo.pb(a[j]);
			}
			break;
		}
	}
	if(!sz(hi)){
		print(0,mint(2).pow(n).x);
		return;
	}
	reverse(all(hi));
	const int si=sz(hi);

	vi f(si);
	mint ad=1;
	for(auto x:lo){
		bool fnd=0;
		per(i,si){
			if(hi[i]+x>=d){
				fnd=1;
				f[i]+=1;
				break;
			}
		}
		if(!fnd){
			ad*=2;
		}
	}

	vec(vec(pim)) dp(si+1,vec(pim)(si+1,pim{-1,0}));
	dp[0][0]={0,ad};
	auto push=[&](int i,int j,int val,mint wys){
		if(dp[i][j].fi<val){
			dp[i][j]={val,wys};
		}else if(dp[i][j].fi==val){
			dp[i][j].se+=wys;
		}
	};
	rng(i,1,si+1){
		int cnt=f[i-1];
		// print(cnt);
		rep(j,si+1){
			if(!dp[i-1][j].se.x) continue;
			int lhs=j,rhs=i-j-1;
			int val=dp[i-1][j].fi;
			mint wys=dp[i-1][j].se;
			// chasvi garet
			{
				push(i,j,val+lhs+cnt*max(lhs,rhs+1),wys);
			}
			// chasvi shignit
			{
				push(i,j+1,val+rhs+cnt*max(lhs+1,rhs),wys);
			}
		}
		// rep(j,si+1){
		// 	cout<<dp[i][j].fi<<" ";
		// }
		// print();
	}
	int ma=0;
	rep(j,si+1){
		ma=max(ma,dp[si][j].fi);
	}
	mint ans=0;
	rep(j,si+1){
		if(dp[si][j].fi==ma){
			ans+=dp[si][j].se;
		}
	}
	print(ma,ans.x);
}

signed main(){
_3zlqvu8;
	slv();
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3528kb

input:

4 7
1 4 6 3

output:

3 6 

result:

ok 2 number(s): "3 6"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

4 11
1 4 6 3

output:

0 16 

result:

ok 2 number(s): "0 16"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

4 5
1 4 6 3

output:

4 2 

result:

ok 2 number(s): "4 2"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

10 0
0 0 2 8 7 0 0 9 0 2

output:

25 252 

result:

ok 2 number(s): "25 252"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

10 10
2 7 3 3 4 7 6 8 2 1

output:

14 4 

result:

ok 2 number(s): "14 4"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

10 10
3 1 1 3 7 0 6 10 1 8

output:

13 2 

result:

ok 2 number(s): "13 2"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

10 100
65 51 79 36 2 47 92 30 25 94

output:

18 8 

result:

ok 2 number(s): "18 8"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3672kb

input:

10 100
59 23 34 85 86 83 80 59 49 92

output:

25 2 

result:

ok 2 number(s): "25 2"

Test #9:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

10 64
17 29 58 43 58 28 35 32 84 68

output:

24 4 

result:

ok 2 number(s): "24 4"

Test #10:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

10 570
491 0 917 880 817 574 687 271 903 299

output:

25 12 

result:

ok 2 number(s): "25 12"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

10 777
265 15 532 621 674 970 487 852 245 705

output:

22 22 

result:

ok 2 number(s): "22 22"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

10 1000
30 651 139 594 912 125 908 441 589 722

output:

16 60 

result:

ok 2 number(s): "16 60"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

10 100000
20324 80646 41078 4312 99749 91381 17558 72304 34167 97507

output:

21 2 

result:

ok 2 number(s): "21 2"

Test #14:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

10 25965
48515 58580 22596 21971 1958 461 3994 44268 2654 12852

output:

21 6 

result:

ok 2 number(s): "21 6"

Test #15:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

10 100000
87599 60861 68874 90937 4169 60849 90431 40578 71143 87785

output:

20 504 

result:

ok 2 number(s): "20 504"

Test #16:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

10 500000000
416597451 444080196 476404630 331629074 437148184 48965137 213850399 412531610 64886804 460736205

output:

22 2 

result:

ok 2 number(s): "22 2"

Test #17:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

10 500000000
123639683 346161103 249546242 439299419 497828609 120785562 393541902 208320182 480084424 302413299

output:

24 2 

result:

ok 2 number(s): "24 2"

Test #18:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

10 500000000
125649203 248242009 317655142 343970706 58509033 100637758 278266116 414174180 395282044 52122165

output:

12 32 

result:

ok 2 number(s): "12 32"

Test #19:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

10 702707240
911690470 175733148 56419428 571168608 738900064 336169888 480225097 467294240 526974092 487860083

output:

22 2 

result:

ok 2 number(s): "22 2"

Test #20:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

10 1000000000
417518764 104085429 609689921 815038655 245477095 409118727 778061033 949273639 144364084 776426030

output:

18 2 

result:

ok 2 number(s): "18 2"

Test #21:

score: 0
Accepted
time: 0ms
memory: 3804kb

input:

10 865525474
964816257 32437710 457927705 353875992 678425200 187100274 412333457 357624109 393157857 138620904

output:

14 2 

result:

ok 2 number(s): "14 2"

Test #22:

score: 0
Accepted
time: 0ms
memory: 3604kb

input:

20 6
0 2 4 10 5 6 3 5 4 9 0 5 0 5 1 0 1 1 8 0

output:

76 10 

result:

ok 2 number(s): "76 10"

Test #23:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

20 10
2 7 9 6 7 2 9 7 9 1 9 7 4 4 8 10 3 7 9 10

output:

95 12 

result:

ok 2 number(s): "95 12"

Test #24:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

20 10
0 7 10 2 1 2 6 9 8 4 1 7 5 3 9 1 9 3 7 4

output:

72 6 

result:

ok 2 number(s): "72 6"

Test #25:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

20 25
75 73 66 21 14 65 83 21 58 4 2 33 45 65 2 55 100 97 40 31

output:

100 2002 

result:

ok 2 number(s): "100 2002"

Test #26:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

20 49
0 13 90 69 30 0 39 84 49 71 76 8 85 12 46 20 30 78 25 19

output:

97 2 

result:

ok 2 number(s): "97 2"

Test #27:

score: 0
Accepted
time: 0ms
memory: 3576kb

input:

20 97
38 97 13 17 2 46 95 56 84 36 27 40 69 92 1 97 28 25 20 72

output:

74 4 

result:

ok 2 number(s): "74 4"

Test #28:

score: 0
Accepted
time: 0ms
memory: 3472kb

input:

20 907
681 764 47 754 775 732 894 649 833 642 725 74 12 558 98 97 534 731 232 126

output:

58 88 

result:

ok 2 number(s): "58 88"

Test #29:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

20 371
828 788 282 726 251 126 314 230 795 39 245 302 682 738 114 484 52 865 394 614

output:

100 2 

result:

ok 2 number(s): "100 2"

Test #30:

score: 0
Accepted
time: 0ms
memory: 3632kb

input:

20 1000
221 803 890 467 489 291 734 430 519 445 154 141 352 544 758 490 810 990 796 110

output:

74 2 

result:

ok 2 number(s): "74 2"

Test #31:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

20 53435
60667 3099 44211 22195 45013 5110 31012 14770 49917 10314 26229 74517 15452 37054 93668 69365 37983 14686 62760 97627

output:

94 2 

result:

ok 2 number(s): "94 2"

Test #32:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

20 100000
99751 81034 25730 15507 47224 89845 93101 86735 29299 25660 68016 88068 31149 61435 52512 94396 2046 75878 1187 64252

output:

80 2 

result:

ok 2 number(s): "80 2"

Test #33:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

20 86167
27941 58968 72008 8819 49434 74580 14777 83045 97787 76246 74561 66378 11606 45403 87010 79013 25698 1827 80028 30878

output:

87 4 

result:

ok 2 number(s): "87 4"

Test #34:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

20 297095690
427123861 193805074 284892492 12203198 142584093 477793343 303221033 273402447 412050932 441386148 129076913 254469495 99239611 269488414 225296967 444233109 179484225 460008728 269174021 76941541

output:

98 30 

result:

ok 2 number(s): "98 30"

Test #35:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

20 439053522
21101609 300918694 58034104 119873544 203264518 49613767 187945247 366191961 122215838 78030529 181151235 224326356 22109628 30975415 14831949 135442268 181792636 219326511 180380121 361022993

output:

29 128 

result:

ok 2 number(s): "29 128"

Test #36:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

20 222986589
228143841 294967830 423143946 319512118 263944944 234498676 277702174 72045958 334414399 327739396 323160131 307247701 353011417 405526901 214432357 8554232 71036564 478644295 296618935 258168929

output:

100 38896 

result:

ok 2 number(s): "100 38896"

Test #37:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

20 814916070
336405873 965255840 652652222 713068201 61495714 864495608 289278684 273789489 705069803 645861692 283828514 807458721 135671792 915838066 347383048 781174151 27017020 165786268 525637386 825246400

output:

91 4 

result:

ok 2 number(s): "91 4"

Test #38:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

20 1000000000
252299584 188575412 500890006 956938247 568072747 568848227 587114620 755768888 617427087 934427639 834979913 346516263 3441700 707340534 135002005 965711294 928983573 745563964 871761848 196491818

output:

80 12 

result:

ok 2 number(s): "80 12"

Test #39:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

20 630547200
94564367 821960402 54160499 495775584 369617070 346829774 884950557 164119358 571253568 222993586 722567801 549137317 871211609 130246782 554024742 518844655 535982833 30374368 627951726 862704529

output:

93 8 

result:

ok 2 number(s): "93 8"

Test #40:

score: -100
Wrong Answer
time: 0ms
memory: 3612kb

input:

50 2
10 4 2 7 5 10 7 6 1 10 6 2 7 9 2 5 10 6 5 2 2 6 5 2 4 1 10 9 4 2 0 4 7 9 3 10 5 10 3 6 5 0 0 4 2 0 2 10 5 3

output:

625 617395946 

result:

wrong answer 2nd numbers differ - expected: '662940393', found: '617395946'