Submission #847167

#	Time	Username	Problem	Language	Result	Execution time	Memory
847167		Pacybwoah	Superpozicija (COCI22_superpozicija)	C++17	20 / 110	18 ms	3548 KiB

Main

#include<iostream>
#include<vector>
#include<string>
#include<utility>
#include<algorithm>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        string s;
        cin>>s;
        vector<pair<int,int> > vec(n);
        for(int i=0;i<n;i++) cin>>vec[i].first>>vec[i].second,vec[i].first--,vec[i].second--;
        if(n&1){
            cout<<"-1\n";
            continue;
        }
        vector<int> prov(n),ans(n);
        sort(vec.begin(),vec.end());
        int left=0,right=0;
        for(int i=0;i<n;i++){
            if(s[vec[i].first]==s[vec[i].second]){
                if(s[vec[i].first]=='(') prov[i]=1,left++;
                else prov[i]=-1,right++;
            }
        }
        if(left>n/2||right>n/2){
            cout<<"-1\n";
            continue;
        }
        int cnt=0;
        for(int i=0;i<n;i++){
            if(prov[i]==0){
                if(cnt<n/2-left){
                    cnt++;
                    prov[i]=1;
                }
                else prov[i]=-1;
            }
        }
        int now=0;
        bool flag=1;
        for(int i=0;i<n;i++){
            if(prov[i]==1){
                if(s[vec[i].first]=='(') ans[i]=0;
                else ans[i]=1;
                now++;
            }
            else{
                if(s[vec[i].second]==')') ans[i]=1;
                else ans[i]=0;
                now--;
            }
            if(now<0){
                flag=0;
                break;
            }
        }
        if(flag&&now==0){
            for(auto x:ans) cout<<x<<" ";
            cout<<"\n";
        }
        else cout<<"-1\n";
    }
}

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