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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
#167469#7175. Mixed Messagesucup-team1321#AC ✓3ms5524kbC++23931b2023-09-07 15:07:422023-09-07 15:07:42

Judging History

This is the latest submission verdict.

  • [2023-09-07 15:07:42]
  • Judged
  • Verdict: AC
  • Time: 3ms
  • Memory: 5524kb
  • [2023-09-07 15:07:42]
  • Submitted

answer

#include<iostream>
#include<cstdio>
using namespace std;
const int N=100005;
const int INF=1e9;
int n;
char s[N];
int pres[N],prep[N];
int sufu[N],sufs[N];
int main()
{
  scanf("%d",&n);
  scanf("%s",s+1);
  for(int i=1;i<=n;i++)
  {
    pres[i]=pres[i-1];
    prep[i]=prep[i-1];
    if(s[i]=='s') pres[i]=i;
    if(s[i]=='p') prep[i]=i;
  }
  sufu[n+1]=sufs[n+1]=n+1;
  for(int i=n;i>=1;i--)
  {
    sufu[i]=sufu[i+1];
    sufs[i]=sufs[i+1];
    if(s[i]=='u') sufu[i]=i;
    if(s[i]=='s') sufs[i]=i;
  }
  int ans=INF;
  for(int i=1;i<=n;i++)
    if(s[i]=='b')
    {
      if(pres[prep[i]]>=1&&sufu[sufs[i]]<=n)
      {
//        cerr<<"now"<<i-1-prep[i]<<" "<<i-2-pres[prep[i]]<<" "<<sufs[i]-(i+1)<<" "<<sufu[sufs[i]]-(i+2)<<"\n";
        ans=min(ans,i-1-prep[i]+i-2-pres[prep[i]]+sufs[i]-(i+1)+sufu[sufs[i]]-(i+2));
      }
    }
  printf("%d",ans);
  
  return 0;
}

/*
6
spbssu
*/

詳細信息

Test #1:

score: 100
Accepted
time: 2ms
memory: 3856kb

input:

6
spbssu

output:

1

result:

ok answer is '1'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3920kb

input:

15
spongebaseurban

output:

11

result:

ok answer is '11'

Test #3:

score: 0
Accepted
time: 2ms
memory: 3852kb

input:

5
spbsu

output:

0

result:

ok answer is '0'

Test #4:

score: 0
Accepted
time: 2ms
memory: 3912kb

input:

6
sppbsu

output:

1

result:

ok answer is '1'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

13
spbpbsaaaaaau

output:

8

result:

ok answer is '8'

Test #6:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

100
supsuuuupusbsubsssbpbuubsppppspsusupbuusbuspupuubuspppusubsupbubusbsbsppbuspuspbbusppuppubuubbusbups

output:

4

result:

ok answer is '4'

Test #7:

score: 0
Accepted
time: 1ms
memory: 3920kb

input:

100
nmpnzouzoosynvhsqljejmgwwgmmuaptmazvneojjgapiizxdengrritcqhppnkjxtqsbsvxsuypgbvatxbzmkpcpnizdsmhdzkt

output:

61

result:

ok answer is '61'

Test #8:

score: 0
Accepted
time: 3ms
memory: 5448kb

input:

100000
supsuuuupupbsubsssbpbuubsppppspsusupbuusbuspupuubuspppusubsuububusbsssppbsspuspbbusppuppubuubbusbupspbsusbsuusussssbusubuupppspppusupbspbsbspubbpsuppusbbubuuubpbbubuubbuspbubpbpsbbusubussbsbubbussspbspbubbupsssuusbbssuspbssupusbpppusssppbpsspbppupsssuupbpupussupbsbuubupppubsspsubuubsbubbppuus...

output:

0

result:

ok answer is '0'

Test #9:

score: 0
Accepted
time: 2ms
memory: 5512kb

input:

100000
nmpnzouzoozynvhsqljejmgwwgmmuaptmazvneojjgapiizxdengrritcqhpcnkjxtqsjtvxsbypgbvatxbzmkpcpnizdsmhdzktphjryltupnkahdlbudksxcukgdkexxdxrtypwqttcpjspnucumswliqciutgdaztpvhbutoscnvscylauhrhchwwstonaghwlmnnrdvdbrxafacihdhstibpqyaeckfqcmeetynurqoyaxakcuoyqwuiztkzxeyqcrjqnixfucpkzljhkquwvijhnzyfxiixn...

output:

5

result:

ok answer is '5'

Test #10:

score: 0
Accepted
time: 2ms
memory: 5488kb

input:

100000
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

0

result:

ok answer is '0'

Test #11:

score: 0
Accepted
time: 2ms
memory: 5420kb

input:

100000
spppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp...

output:

99995

result:

ok answer is '99995'

Test #12:

score: 0
Accepted
time: 1ms
memory: 5492kb

input:

100000
spbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb...

output:

199990

result:

ok answer is '199990'

Test #13:

score: 0
Accepted
time: 2ms
memory: 5508kb

input:

100000
spbssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

99995

result:

ok answer is '99995'

Test #14:

score: 0
Accepted
time: 2ms
memory: 5356kb

input:

100000
spbsuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu...

output:

0

result:

ok answer is '0'

Test #15:

score: 0
Accepted
time: 2ms
memory: 5360kb

input:

100000
sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...

output:

79996

result:

ok answer is '79996'

Test #16:

score: 0
Accepted
time: 2ms
memory: 5500kb

input:

100000
spspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspspsps...

output:

6

result:

ok answer is '6'

Test #17:

score: 0
Accepted
time: 2ms
memory: 5508kb

input:

100000
spbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspbsuspb...

output:

0

result:

ok answer is '0'

Test #18:

score: 0
Accepted
time: 1ms
memory: 5512kb

input:

100000
spbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbspbsp...

output:

2

result:

ok answer is '2'

Test #19:

score: 0
Accepted
time: 3ms
memory: 5524kb

input:

100000
aausuabubupppauppuaupapaapaaaspbusssbapuuupapbusbpsauppsuppbapuassububbsssupappsbaauauauausubusppsbbsppsasupbusaauaaasbasuubusaaupupbuapsasaabsspaaasabbbpaappsuspbpappapssbsupupbusuuabbsuupusupsbabbbaauspauuasbspbubauupsuusspusupppbbbbuupbusssussupbbssaauubuusbsubabubssuapuspbabpauuaaaaaaasbs...

output:

0

result:

ok answer is '0'

Test #20:

score: 0
Accepted
time: 0ms
memory: 5460kb

input:

100000
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

0

result:

ok answer is '0'

Extra Test:

score: 0
Extra Test Passed