QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #545353 | #5422. Perfect Palindrome | Sound_Medium | WA | 9ms | 3780kb | C++23 | 410b | 2024-09-03 10:31:03 | 2024-09-03 10:31:04 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, m;
void solve () {
string s;
cin>>s;
int cnt=0;
for(int i=0;i<s.size();i++){
if(s[i]!=s[s.size()-i-1])cnt++;
}
cout<<cnt/2<<endl;
}
signed main () {
int T = 1;
std::ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
cin>>T;
while (T --) solve ();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
2 abcb xxx
output:
2 0
result:
ok 2 number(s): "2 0"
Test #2:
score: -100
Wrong Answer
time: 9ms
memory: 3780kb
input:
11107 lfpbavjsm pdtlkfwn fmb hptdswsoul bhyjhp pscfliuqn nej nxolzbd z clzb zqomviosz u ek vco oymonrq rjd ktsqti mdcvserv x birnpfu gsgk ftchwlm bzqgar ovj nsgiegk dbolme nvr rpsc fprodu eqtidwto j qty o jknssmabwl qjfv wrd aa ejsf i npmmhkef dzvyon p zww dp ru qmwm sc wnnjyoepxo hc opvfepiko inuxx...
output:
4 4 1 5 2 4 1 3 0 2 2 0 1 1 3 1 2 4 0 3 2 3 3 1 3 3 1 2 3 4 0 1 0 5 2 1 0 2 0 4 3 0 1 1 1 2 1 5 1 3 3 2 2 3 1 4 3 3 4 4 3 2 0 1 2 1 1 3 0 0 5 2 2 3 5 2 0 3 1 3 3 0 4 4 2 2 5 2 3 1 3 4 5 4 3 1 3 2 1 4 2 4 4 2 2 5 4 5 2 5 2 5 0 3 4 1 4 0 0 3 3 0 4 2 2 1 1 4 4 3 1 3 3 4 2 2 1 3 2 5 4 0 2 3 1 1 2 0 3 5 ...
result:
wrong answer 1st numbers differ - expected: '8', found: '4'