Submission #4033002
Source Code Expand
#include "bits/stdc++.h" using namespace std; void solve() { string s, t1, t2; cin >> s; int l = s.size(), xcnt = 0; for (int i = 0; i < l; i++) { if (s[i]=='x') { xcnt++; continue; } t1.push_back(s[i]); } t2 = t1; reverse(t2.begin(), t2.end()); if (t1 != t2) { cout << -1 << endl; return; } int ans = xcnt, tmp = 0; for (int i = 0; i-tmp <= t1.size()/2; i++) { if (s[i] == 'x') { if (s[l-1-i+tmp] == 'x') { if (i == l-1-i+tmp) { ans--; } else { ans -= 2; } } else { tmp++; } } } cout << ans << endl; } int main(void) { solve(); //cout << "yui(*-v・)yui" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Inserting 'x' |
User | sifi_border |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 735 Byte |
Status | WA |
Exec Time | 5 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
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Set Name | Test Cases |
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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 | 5 ms | 512 KB |
1_07.txt | WA | 5 ms | 512 KB |
1_08.txt | AC | 5 ms | 512 KB |
1_09.txt | WA | 5 ms | 512 KB |
1_10.txt | AC | 5 ms | 512 KB |
1_11.txt | AC | 5 ms | 512 KB |
1_12.txt | WA | 5 ms | 512 KB |
1_13.txt | WA | 5 ms | 512 KB |
1_14.txt | WA | 4 ms | 512 KB |
1_15.txt | WA | 4 ms | 512 KB |
1_16.txt | AC | 4 ms | 512 KB |
1_17.txt | WA | 5 ms | 512 KB |
1_18.txt | AC | 4 ms | 512 KB |
1_19.txt | WA | 5 ms | 512 KB |
1_20.txt | AC | 4 ms | 512 KB |
1_21.txt | WA | 5 ms | 512 KB |
1_22.txt | AC | 5 ms | 512 KB |
1_23.txt | WA | 5 ms | 512 KB |
1_24.txt | AC | 5 ms | 512 KB |
1_25.txt | WA | 5 ms | 512 KB |
1_26.txt | AC | 5 ms | 512 KB |
1_27.txt | AC | 5 ms | 640 KB |
1_28.txt | AC | 5 ms | 512 KB |