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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 |
|---|---|---|---|---|---|---|---|---|---|
| #886138 | #8789. Spin & Rotate! | zqiaor | WA | 1ms | 3712kb | C++17 | 677b | 2025-02-06 20:47:10 | 2025-02-06 20:47:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int T,n;
string s,ans;
void check(){
if(ans.size()>=2&&ans.substr(ans.size()-2,2)=="SS")ans.erase(ans.size()-2,2);
if(ans.size()>=6&&ans.substr(ans.size()-6,6)=="RSRSRS")ans.erase(ans.size()-6,6);
}
void solve(){
cin>>s,n=s.size(),ans="";
for(int i=n-1;~i;i--)ans+=(s[i]=='S'?"S":"SRSRS"),check();
while(ans.size()>=2&&ans.substr(ans.size()-2,2)=="RS")ans.erase(ans.size()-2,1),check();
while(ans.size()>=3&&ans.substr(ans.size()-3,3)=="RSR")ans.erase(ans.size()-3,3),check();
cout<<ans<<'\n';
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>T;
while(T--)solve();
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3712kb
input:
14 R S RR SR RS SS RRR SRR RSR SSR RRS SRS RSS SSS
output:
SR S SRSRSSR S SSR SRSRSSRSRSSR S SR SSRSRSSR SR S
result:
wrong answer 3rd words differ - expected: 'SRSRR', found: 'SRSRSSR'