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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#90638#5422. Perfect PalindromeSaanteyeWA 6ms3552kbC++14491b2023-03-24 14:32:162023-03-24 14:32:18

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-24 14:32:18]
  • 评测
  • 测评结果:WA
  • 用时:6ms
  • 内存:3552kb
  • [2023-03-24 14:32:16]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
typedef unsigned long long ull;

void solve() {
    string s;
    cin >> s;
    int ans = 0;
    for(int i = 0; i < s.size() / 2; i++) {
        if(s[i] != s[s.size() - i - 1])
            ans++;
    }
    cout << ans << '\n';
}


signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    cin >> t;

    while(t--) solve();


    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3328kb

input:

2
abcb
xxx

output:

2
0

result:

ok 2 number(s): "2 0"

Test #2:

score: -100
Wrong Answer
time: 6ms
memory: 3552kb

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'