Submission #1798843
Source Code Expand
#include <iostream> #include <sstream> #include <cstdio> #include <cstdlib> #include <cmath> #include <cstring> #include <climits> #include <iomanip> #include <bitset> #include <algorithm> #include <vector> #include <stack> #include <queue> #include <deque> #include <set> #include <list> #include <map> using namespace std; string a; int ans; int main() { cin >> a; int l = 0, r = a.size() - 1; while (l < r) { if (a[l] == a[r]) { l++; r--; } else if (a[l] == 'x') { ans++; l++; } else if (a[r] == 'x') { ans++; r--; } else { puts("-1"); return 0; } } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Inserting 'x' |
User | cvele |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 713 Byte |
Status | AC |
Exec Time | 5 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 | 4 ms | 512 KB |
1_07.txt | AC | 4 ms | 512 KB |
1_08.txt | AC | 4 ms | 512 KB |
1_09.txt | AC | 4 ms | 512 KB |
1_10.txt | AC | 4 ms | 512 KB |
1_11.txt | AC | 4 ms | 512 KB |
1_12.txt | AC | 4 ms | 512 KB |
1_13.txt | AC | 4 ms | 512 KB |
1_14.txt | AC | 4 ms | 512 KB |
1_15.txt | AC | 4 ms | 512 KB |
1_16.txt | AC | 4 ms | 512 KB |
1_17.txt | AC | 4 ms | 512 KB |
1_18.txt | AC | 4 ms | 512 KB |
1_19.txt | AC | 4 ms | 512 KB |
1_20.txt | AC | 4 ms | 512 KB |
1_21.txt | AC | 5 ms | 512 KB |
1_22.txt | AC | 4 ms | 512 KB |
1_23.txt | AC | 5 ms | 512 KB |
1_24.txt | AC | 4 ms | 512 KB |
1_25.txt | AC | 5 ms | 512 KB |
1_26.txt | AC | 4 ms | 512 KB |
1_27.txt | AC | 4 ms | 512 KB |
1_28.txt | AC | 4 ms | 512 KB |