#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define rep(i,a) for(int i=(int)0;i<(int)a;++i) #define pb push_back #define eb emplace_back using ll=long long; constexpr ll mod = 1e9 + 7; constexpr ll INF = 1LL << 50; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } using namespace std; void solve(){ int n,k; cin>>n>>k; string s; cin>>s; stackst; vectorcheck(n+5); rep(i,n){ if(s[i]=='(')st.push(i); else { int x=st.top(); st.pop(); check[x]=i; check[i]=x; } } cout<