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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
#469967#8008. Fortune Wheelyz_lyWA 48ms6332kbC++141.8kb2024-07-10 09:20:512024-07-10 09:20:52

Judging History

你现在查看的是最新测评结果

  • [2024-07-30 15:38:33]
  • hack成功,自动添加数据
  • (/hack/759)
  • [2024-07-10 09:20:52]
  • 评测
  • 测评结果:WA
  • 用时:48ms
  • 内存:6332kb
  • [2024-07-10 09:20:51]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
using namespace std;
inline int read(){
	int f=1,x=0;
	char ch=getchar();
	while(ch<'0'||ch>'9'){
		if(ch=='-')
			f=-f;
		ch=getchar();
	}
	while(ch>='0'&&ch<='9'){
		x=x*10+ch-'0';
		ch=getchar();
	}
	return f*x;
}
inline void work(ll k){
	if(k<0){
		putchar('-');
		k=-k;
	}
	if(k>9)
		work(k/10);
	putchar(k%10+'0');
}
/*
首先预处理出0到每个点的最短路,按照最短路排序
首先发现操作一定是一开始使劲随机到一个最短路<=B,然后就开始走,考虑枚举这个阈值B
如果x本来就小于B就直接走,否则如果左边有i个期望n/i次随机到左边,期望步数就是n/i+sum[i]/i
*/
int n,x,k,a[505],id[100005],vis[100005];
ll sum[100005],dis[100005];
queue<int> q;
bool cmp(int x,int y){
	return dis[x]<dis[y];
}
int main(){
	n=read();
	x=read();
	k=read();
	for(int i=1;i<=k;i++){
		a[i]=read();
	}
	for(int i=1;i<n;i++){
		dis[i]=1e9;
		id[i]=i;
	}
	q.emplace(0);
	while(!q.empty()){
		int u=q.front();
		q.pop();
		for(int i=1;i<=k;i++){
			if(dis[(u-a[i]+n)%n]>dis[u]+1){
				dis[(u-a[i]+n)%n]=dis[u]+1;
				q.emplace((u-a[i]+n)%n);
			}
		}
	}
	sort(id,id+n,cmp);
	sum[0]=dis[id[0]];
	for(int i=1;i<n;i++){
		sum[i]=sum[i-1]+dis[id[i]];
	}
	pair<ll,ll> mn=make_pair(1e18,1);
	for(int i=n-1;i>=0;i--){
		if(dis[id[i]]==1e9){
			vis[id[i]]=1;
			continue;
		}
		if(!vis[x]){
			ll val=mn.first,val1=dis[x]*mn.second;
			if(val>val1)
				mn=make_pair(dis[x],1);
		}
		else{
			ll val=(i+1)*mn.first,val1=(n+sum[i])*mn.second;
			if(val>val1)
				mn=make_pair(n+sum[i],i+1);
		}
		vis[id[i]]=1;
	}
	ll g=__gcd(mn.first,mn.second);
	mn.first/=g;
	mn.second/=g;
	work(mn.first);
	putchar(' ');
	work(mn.second);
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3576kb

input:

6 3 2
2 4

output:

8 3

result:

ok 2 number(s): "8 3"

Test #2:

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

input:

5 4 1
1

output:

1 1

result:

ok 2 number(s): "1 1"

Test #3:

score: 0
Accepted
time: 23ms
memory: 6332kb

input:

99999 65238 100
64714 45675 36156 13116 93455 22785 10977 60219 14981 25839 83709 80404 41400 12469 31530 65521 35436 20326 96792 50699 27522 98233 26187 12509 90992 72693 83919 74145 80892 68422 38333 33497 89154 88403 77492 4570 3908 59194 3482 89871 96330 45114 5555 73987 95832 476 949 74649 2084...

output:

3 1

result:

ok 2 number(s): "3 1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 5740kb

input:

10000 23 7
9594 8998 9330 6851 1662 6719 583

output:

42726 4805

result:

ok 2 number(s): "42726 4805"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

100 3 100
7 68 28 98 19 32 90 79 92 40 96 30 95 91 71 15 33 18 69 1 61 43 5 75 73 64 58 100 88 20 99 37 17 22 82 67 70 55 47 80 66 12 4 24 26 54 74 57 21 77 86 89 83 29 46 31 2 16 49 48 25 93 52 9 85 84 42 39 8 65 10 45 63 87 78 60 23 14 34 59 81 38 41 76 3 13 27 36 35 51 44 62 53 94 6 50 11 97 72 56

output:

1 1

result:

ok 2 number(s): "1 1"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3508kb

input:

100 93 4
63 58 3 89

output:

19 4

result:

ok 2 number(s): "19 4"

Test #7:

score: 0
Accepted
time: 5ms
memory: 5856kb

input:

75057 45721 3
10861 27551 14278

output:

32797 933

result:

ok 2 number(s): "32797 933"

Test #8:

score: 0
Accepted
time: 11ms
memory: 5848kb

input:

97777 94043 1
83579

output:

97619 221

result:

ok 2 number(s): "97619 221"

Test #9:

score: 0
Accepted
time: 1ms
memory: 3932kb

input:

13515 10596 5
11890 9097 4596 13464 13309

output:

6022 489

result:

ok 2 number(s): "6022 489"

Test #10:

score: 0
Accepted
time: 3ms
memory: 5392kb

input:

77777 64477 3
45863 40922 74543

output:

298537 8416

result:

ok 2 number(s): "298537 8416"

Test #11:

score: 0
Accepted
time: 0ms
memory: 3828kb

input:

1 0 1
1

output:

0 1

result:

ok 2 number(s): "0 1"

Test #12:

score: 0
Accepted
time: 0ms
memory: 3916kb

input:

11254 5306 33
4933 97 3341 7991 766 11039 6490 8955 10986 642 421 4570 9198 3221 9106 5076 8660 517 8376 4918 10847 10400 9063 8416 4673 7139 3925 7192 8391 7763 4927 10373 3726

output:

3 1

result:

ok 2 number(s): "3 1"

Test #13:

score: 0
Accepted
time: 0ms
memory: 3508kb

input:

33 32 6
20 26 25 18 5 28

output:

101 32

result:

ok 2 number(s): "101 32"

Test #14:

score: 0
Accepted
time: 21ms
memory: 5968kb

input:

100000 56979 500
6945 45095 52485 23545 72920 30450 64925 31700 11155 65550 80965 77885 97915 26950 86940 50045 46645 74740 35235 13470 18315 72135 25260 88775 4405 25525 61335 97040 13240 2905 37460 51605 2330 54995 17100 30790 68205 53195 63340 85495 48535 94865 87720 52930 30650 47115 68380 24455...

output:

13953 2000

result:

ok 2 number(s): "13953 2000"

Test #15:

score: -100
Wrong Answer
time: 48ms
memory: 6088kb

input:

100000 88341 500
35014 85376 26718 27010 22158 56540 54016 52932 81956 92630 79862 844 37070 30304 9780 50642 56332 91384 20562 17764 94836 28314 23928 46364 59128 5820 21488 60066 5262 8964 53054 28310 79006 92364 20872 34916 10934 56274 1020 23138 70610 85702 56844 99122 56842 8772 61584 5346 4819...

output:

203432 49999

result:

wrong answer 1st numbers differ - expected: '40687', found: '203432'