#include <bits/stdc++.h> using namespace std; #define int long long #define fi first #define se second const int MOD = 1000000007; const int INF = 1e18; const int N = 3e5 + 10; void solve() { string s; cin >> s; int s0 = s.size(), w = 0, l = 0; for (int i = 0; i < s0; i++) { if (s[i] ...