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QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #631666 | #9454. String of CCPC | ucup-team3555# | AC ✓ | 26ms | 3836kb | C++17 | 960b | 2024-10-12 09:31:04 | 2024-10-12 09:31:05 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e6+3;
int n;
char ch[N];
bool Ok(int x)
{
if(x<=0||x+3>n)return 0;
return ch[x]=='C'&&ch[x+1]=='C'&&ch[x+2]=='P'&&ch[x+3]=='C';
}
bool Chk4(int x)
{
if(x<=0&&x+2>n)return 0;
return ch[x]=='C'&&ch[x+1]=='C'&&ch[x+2]=='P';
}
bool Chk3(int x)
{
if(x<=0||x+2>n)return 0;
return ch[x]=='C'&&ch[x+1]=='C'&&ch[x+2]=='C';
}
bool Chk2(int x)
{
if(x<=0||x+2>n)return 0;
return ch[x]=='C'&&ch[x+1]=='P'&&ch[x+2]=='C';
}
bool Chk1(int x)
{
if(x<=0||x+2>n)return 0;
return ch[x]=='C'&&ch[x+1]=='P'&&ch[x+2]=='C';
}
void Solve()
{
cin>>n>>(ch+1);ch[0]=ch[n+1]='#';
if(n<=2){cout<<0<<endl;return;}
int sum=0,fl=0;
for(int i=1;i<=n;i++)sum+=Ok(i);
for(int i=0;i<=n;i++)if(!Ok(i-2)&&!Ok(i-1)&&!Ok(i))
if(Chk4(i-2)||Chk3(i-1)||Chk2(i)||Chk1(i+1)){fl=1;break;}
cout<<sum+fl<<endl;
}
int main()
{
int T;cin>>T;
while(T--)Solve();
}
这程序好像有点Bug，我给组数据试试？
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3688kb
input:
3 3 CCC 5 CCCCP 4 CPCP
output:
1 1 1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 26ms
memory: 3836kb
input:
20003 5 PCCPC 10 CPPPPCPCPC 4 CPPC 11 CCPPCPPPCCP 17 PPPPCPCCCCCPCCCCC 10 PPCCPCPPCP 9 CPCCCCPPC 11 PCPPPPCCPPP 15 CPCPPPPCCPCPCCC 11 PCCPPCCPCPP 9 PCPCCPPCP 10 CCPCPPPCPP 14 CCCCPPPCPCPCPP 2 CC 12 CCPCPPPPPCPP 6 CPPPPP 12 PCCPCCCCCPCC 16 CPCCPCCPPCCCCPPC 7 CPPPCPC 16 PPPPPCCPCPCPCPPC 13 PPPCPCCCCPP...
output:
1 1 0 1 2 1 1 1 2 2 1 1 1 0 1 0 3 2 1 2 1 2 2 0 1 2 3 1 1 3 1 2 2 1 0 0 0 3 1 0 0 1 1 2 0 1 1 0 1 2 0 1 0 1 0 3 1 1 0 2 1 3 2 2 0 2 2 0 0 2 1 1 3 3 1 3 1 2 0 1 1 0 1 2 2 1 1 2 1 3 1 1 3 1 2 2 0 1 0 3 0 1 1 2 2 0 2 1 1 2 2 0 3 1 1 1 1 2 1 2 0 1 1 0 3 0 3 1 1 0 0 1 0 3 0 1 1 1 1 2 2 1 1 0 0 1 2 0 1 2 ...
result:
ok 20003 lines
Extra Test:
score: 0
Extra Test Passed