QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #167469 | #7175. Mixed Messages | ucup-team1321# | AC ✓ | 3ms | 5524kb | C++23 | 931b | 2023-09-07 15:07:42 | 2023-09-07 15:07:42 |
Judging History
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
*/
Details
Tip: Click on the bar to expand more detailed information
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