QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#697766 | #9430. Left Shifting 2 | He_ng | WA | 0ms | 3532kb | C++20 | 1.1kb | 2024-11-01 15:40:54 | 2024-11-01 15:40:55 |
Judging History
answer
#include <bits/stdc++.h>
const int P = 998244353;
typedef long long ll;
#define rep(i, x, y) for (int i = (x); i <= (y); ++i)
using namespace std;
void solve()
{
string s;
cin >> s;
int n = s.length();
bool op = false;
int cnt1 = 0;
s = " " + s;
string x;
rep(i, 1, n)
{
int pos = i;
while (pos <= n && s[pos] == s[i])
pos++;
int cnt = pos - i;
if (cnt % 2 == 0 && (cnt >= 2))
{
cnt1 = i;
break;
}
i = pos - 1;
}
if (cnt1)
{
x = s.substr(cnt1 + 1);
x += s.substr(1, cnt1);
x = " " + x;
}
else
x = s;
int ans = 0;
cout << x << endl;
rep(i, 1, n)
{
int pos = i;
while (pos <= n && x[pos] == x[i])
pos++;
int cnt = pos - i;
ans += cnt / 2;
i = pos - 1;
}
cout << ans << endl;
return;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
int t = 1;
cin >> t;
while (t--)
solve();
return 0;
}
/*
3
abccbbbbd
abcde
x
*/
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3532kb
input:
3 abccbbbbd abcde x
output:
cbbbbdabc 2 abcde 0 x 0
result:
wrong answer 1st lines differ - expected: '2', found: ' cbbbbdabc'