mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-10 19:58:53 +00:00
37 lines
752 B
C++
37 lines
752 B
C++
|
#include <bits/stdc++.h>
|
||
|
|
||
|
using namespace std;
|
||
|
|
||
|
int t, n, ans;
|
||
|
string s;
|
||
|
bool flag;
|
||
|
char last;
|
||
|
|
||
|
int main() {
|
||
|
cin >> t;
|
||
|
while (t--) {
|
||
|
ans = 0;
|
||
|
cin >> n >> s;
|
||
|
while (!s.empty()) {
|
||
|
flag = false;
|
||
|
for (int i = 1; i < s.size(); i++) {
|
||
|
if (s[i - 1] == s[i]) {
|
||
|
s.erase(s.begin() + i);
|
||
|
flag = true;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
if (!flag) {
|
||
|
s.erase(--s.end());
|
||
|
}
|
||
|
ans++;
|
||
|
last = *s.begin();
|
||
|
while (!s.empty() && last == *s.begin()) {
|
||
|
s.erase(s.begin());
|
||
|
}
|
||
|
}
|
||
|
cout << ans << endl;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|