Submission #936995

#	Time	Username	Problem	Language	Result	Execution time	Memory
936995		089487	Superpozicija (COCI22_superpozicija)	C++14	30 / 110	76 ms	15188 KiB

Main

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("sse4,abm,avx,popcnt")
#include<bits/stdc++.h>
#define int long long
#define quick ios::sync_with_stdio(0);cin.tie(0);
#define rep(x,a,b) for(int x=a;x<=b;x++)
#define repd(x,a,b) for(int x=a;x>=b;x--)
#define F first
#define S second
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define all(x) x.begin(),x.end()
#define sz(x) (int)(x.size())
#define lowbit(x) (x&-x)
using namespace std;
typedef pair<int,int> pii;
void debug(){
    cout<<"\n";
}
template<class T,class ...U>
void debug(T a,U ...b){
    cout<<a<<" ",debug(b...);
}
const int N=2e5+7;
const int INF=1e18L;
pii p[N];
void solve(){
    int n;
    cin>>n;
    string s;
    cin>>s;
    set<pii> st;
    vector<pii> v;
    map<pii,int> ch;
    int cnt=0;
    rep(i,0,n-1){
        cin>>p[i].F>>p[i].S;
        --p[i].F,--p[i].S;
        if(s[p[i].F]!=s[p[i].S]) v.eb(p[i]);
        else{
            if(s[p[i].F]=='(') st.insert(mp(p[i].F,1)),cnt++,ch[p[i]]=0;
            else {
                st.insert(mp(p[i].S,-1));
                ch[p[i]]=1;
                cnt--;
            }
        }
    }
    int total=-cnt+sz(v);
    if(total%2){
        cout<<"-1\n";
        return ;
    }
    int a=total/2;
    int b=a+cnt;
    if(a<0||b<0) {
        cout<<"-1\n";
        return ;
    }
    sort(all(v));
    for(pii p2:v){
        if(s[p2.F]=='('){
            if(a>0){
                st.insert(mp(p2.F,1));
                ch[p2]=0;
                a--;
            }
            else{
                ch[p2]=1;
                b--;
                st.insert(mp(p2.S,-1));
            }
        }
        else if(s[p2.F]==')'){
            if(a>0){
                st.insert(mp(p2.S,1));
                ch[p2]=1;
                a--;
            }
            else{
                st.insert(mp(p2.F,-1));
                ch[p2]=0;
                b--;
            }
        }
    }
    int sum=0;
    for(pii p2:st){
        sum+=p2.S;
        if(sum<0){
            cout<<"-1\n";
            return ;
        }
    }
    rep(i,0,n-1){
        cout<<ch[p[i]]<<" \n"[i==n-1];
    }
}
signed main(){
    quick
    int t;
    cin>>t;
    while(t--){
        solve();
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 0 / 70