Submission #4044501
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pii; #define pb push_back #define mp make_pair #define rep(i,n) for(int i=0;i<(n);++i) int main(){ cin.tie(0); ios::sync_with_stdio(false); string s;cin >> s; int n=s.size(); int l=0,r=s.size()-1,ans=0; while(l<r){ if(s.at(l)==s.at(r)){ l++; r--; } else{ if(s.at(l)=='x'){ ans++; l++; } else if(s.at(r)=='x'){ ans++; r--; } else{ cout << -1 << endl; return 0; } } } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Inserting 'x' |
User | rhincodon66 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 578 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 512 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
0_03.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 2 ms | 512 KB |
1_07.txt | AC | 2 ms | 512 KB |
1_08.txt | AC | 2 ms | 512 KB |
1_09.txt | AC | 2 ms | 512 KB |
1_10.txt | AC | 2 ms | 512 KB |
1_11.txt | AC | 2 ms | 512 KB |
1_12.txt | AC | 2 ms | 512 KB |
1_13.txt | AC | 2 ms | 512 KB |
1_14.txt | AC | 2 ms | 512 KB |
1_15.txt | AC | 2 ms | 512 KB |
1_16.txt | AC | 2 ms | 512 KB |
1_17.txt | AC | 2 ms | 512 KB |
1_18.txt | AC | 2 ms | 512 KB |
1_19.txt | AC | 2 ms | 512 KB |
1_20.txt | AC | 2 ms | 512 KB |
1_21.txt | AC | 2 ms | 512 KB |
1_22.txt | AC | 2 ms | 512 KB |
1_23.txt | AC | 2 ms | 512 KB |
1_24.txt | AC | 2 ms | 512 KB |
1_25.txt | AC | 2 ms | 512 KB |
1_26.txt | AC | 1 ms | 384 KB |
1_27.txt | AC | 2 ms | 512 KB |
1_28.txt | AC | 2 ms | 512 KB |