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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
#172497#7175. Mixed Messagesucup-team298#AC ✓8ms24516kbC++141.3kb2023-09-09 19:30:422023-09-09 19:30:43

Judging History

你现在查看的是最新测评结果

  • [2023-09-09 19:30:43]
  • 评测
  • 测评结果:AC
  • 用时:8ms
  • 内存:24516kb
  • [2023-09-09 19:30:42]
  • 提交

answer

#include<bits/stdc++.h>
#define re register
using namespace std;
inline int read(){
	re int t=0;re char v=getchar();
	while(v<'0')v=getchar();
	while(v>='0')t=(t<<3)+(t<<1)+v-48,v=getchar();
	return t;
}
const int M=998244353;
inline void add(re int &x,re int y){(x+=y)>=M?x-=M:x;}
inline int Mod(re int x){return x>=M?x-M:x;}
inline int ksm(re int x,re int y){
	re int s=1;
	while(y){
		if(y&1)s=1ll*s*x%M;
		x=1ll*x*x%M,y>>=1;
	}
	return s;
}
int t,n,m,nxt[100002][26],ans,lst[100002][26];
char s[1000002];
int main(){
	n=read(),scanf("%s",s+1),ans=1e9;
	for(re int i=0;i<26;++i)nxt[n+1][i]=n+1;
	for(re int i=n;i;--i){
		for(re int j=0;j<26;++j)nxt[i][j]=nxt[i+1][j];
		nxt[i][s[i]-'a']=i;
	}
	for(re int i=1;i<=n;++i){
		for(re int j=0;j<26;++j)lst[i][j]=lst[i-1][j];
		lst[i][s[i]-'a']=i;
	}
	for(re int i=1;i<=n;++i)if(s[i]=='b'){
		deque<int>A;
		A.push_back(i);
		re int pos=i;
		pos=nxt[pos]['s'-'a'];
		if(pos==n+1)continue;
		A.push_back(pos);
		pos=nxt[pos]['u'-'a'];
		if(pos==n+1)continue;
		A.push_back(pos);
		pos=i;
		pos=lst[pos]['p'-'a'];
		if(pos==0)continue;
		A.push_front(pos);
		pos=lst[pos]['s'-'a'];
		if(pos==0)continue;
		A.push_front(pos);
		ans=min(ans,A[2]-A[1]-1+A[2]-A[0]-2+A[4]-A[2]-2+A[3]-A[2]-1);
	}
	printf("%d",ans);
}



詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 5876kb

input:

6
spbssu

output:

1

result:

ok answer is '1'

Test #2:

score: 0
Accepted
time: 2ms
memory: 6088kb

input:

15
spongebaseurban

output:

11

result:

ok answer is '11'

Test #3:

score: 0
Accepted
time: 2ms
memory: 5856kb

input:

5
spbsu

output:

0

result:

ok answer is '0'

Test #4:

score: 0
Accepted
time: 0ms
memory: 6156kb

input:

6
sppbsu

output:

1

result:

ok answer is '1'

Test #5:

score: 0
Accepted
time: 1ms
memory: 5864kb

input:

13
spbpbsaaaaaau

output:

8

result:

ok answer is '8'

Test #6:

score: 0
Accepted
time: 1ms
memory: 5840kb

input:

100
supsuuuupusbsubsssbpbuubsppppspsusupbuusbuspupuubuspppusubsupbubusbsbsppbuspuspbbusppuppubuubbusbups

output:

4

result:

ok answer is '4'

Test #7:

score: 0
Accepted
time: 1ms
memory: 6160kb

input:

100
nmpnzouzoosynvhsqljejmgwwgmmuaptmazvneojjgapiizxdengrritcqhppnkjxtqsbsvxsuypgbvatxbzmkpcpnizdsmhdzkt

output:

61

result:

ok answer is '61'

Test #8:

score: 0
Accepted
time: 4ms
memory: 24216kb

input:

100000
supsuuuupupbsubsssbpbuubsppppspsusupbuusbuspupuubuspppusubsuububusbsssppbsspuspbbusppuppubuubbusbupspbsusbsuusussssbusubuupppspppusupbspbsbspubbpsuppusbbubuuubpbbubuubbuspbubpbpsbbusubussbsbubbussspbspbubbupsssuusbbssuspbssupusbpppusssppbpsspbppupsssuupbpupussupbsbuubupppubsspsubuubsbubbppuus...

output:

0

result:

ok answer is '0'

Test #9:

score: 0
Accepted
time: 0ms
memory: 24220kb

input:

100000
nmpnzouzoozynvhsqljejmgwwgmmuaptmazvneojjgapiizxdengrritcqhpcnkjxtqsjtvxsbypgbvatxbzmkpcpnizdsmhdzktphjryltupnkahdlbudksxcukgdkexxdxrtypwqttcpjspnucumswliqciutgdaztpvhbutoscnvscylauhrhchwwstonaghwlmnnrdvdbrxafacihdhstibpqyaeckfqcmeetynurqoyaxakcuoyqwuiztkzxeyqcrjqnixfucpkzljhkquwvijhnzyfxiixn...

output:

5

result:

ok answer is '5'

Test #10:

score: 0
Accepted
time: 5ms
memory: 24232kb

input:

100000
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

0

result:

ok answer is '0'

Test #11:

score: 0
Accepted
time: 1ms
memory: 24196kb

input:

100000
spppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp...

output:

99995

result:

ok answer is '99995'

Test #12:

score: 0
Accepted
time: 6ms
memory: 24516kb

input:

100000
spbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb...

output:

199990

result:

ok answer is '199990'

Test #13:

score: 0
Accepted
time: 5ms
memory: 24508kb

input:

100000
spbssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

99995

result:

ok answer is '99995'

Test #14:

score: 0
Accepted
time: 1ms
memory: 24160kb

input:

100000
spbsuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu...

output:

0

result:

ok answer is '0'

Test #15:

score: 0
Accepted
time: 7ms
memory: 24304kb

input:

100000
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

79996

result:

ok answer is '79996'

Test #16:

score: 0
Accepted
time: 1ms
memory: 24448kb

input:

100000
spspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspsps...

output:

6

result:

ok answer is '6'

Test #17:

score: 0
Accepted
time: 3ms
memory: 24136kb

input:

100000
spbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspb...

output:

0

result:

ok answer is '0'

Test #18:

score: 0
Accepted
time: 8ms
memory: 24188kb

input:

100000
spbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbsp...

output:

2

result:

ok answer is '2'

Test #19:

score: 0
Accepted
time: 4ms
memory: 24300kb

input:

100000
aausuabubupppauppuaupapaapaaaspbusssbapuuupapbusbpsauppsuppbapuassububbsssupappsbaauauauausubusppsbbsppsasupbusaauaaasbasuubusaaupupbuapsasaabsspaaasabbbpaappsuspbpappapssbsupupbusuuabbsuupusupsbabbbaauspauuasbspbubauupsuusspusupppbbbbuupbusssussupbbssaauubuusbsubabubssuapuspbabpauuaaaaaaasbs...

output:

0

result:

ok answer is '0'

Test #20:

score: 0
Accepted
time: 1ms
memory: 24508kb

input:

100000
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

0

result:

ok answer is '0'

Extra Test:

score: 0
Extra Test Passed