Lang:G++
Edit12345678910111213141516171819202122232425262728293031#include <bits/stdc++.h>using namespace std;typedef long long ll;const ll mod = 1e9 + 7;const int maxn = 5e6 + 5;const int INF = 1e9 + 7;int main(){int T;cin>>T;string str,ans;while (T--){cin>>str;int f=0;for (int q=0;q<str.length();q++){if (str[q]=='_') f=1;else if (str[q]<='Z'&&str[q]>='A') f=2;}ans="";if (f==1){for (int q=0;q<str.length();q++){if (str[q]=='_'){q++;