Submission #1062344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1062344		bachhoangxuan	Superpozicija (COCI22_superpozicija)	C++17	110 / 110	21 ms	5076 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
int n,d[maxn],nxt[maxn],f[maxn],val[maxn];
char c[maxn];

void solve(){
    cin >> n;
    for(int i=1;i<=2*n;i++){
        cin >> c[i];
        nxt[i]=val[i]=f[i]=0;
    }
    for(int i=1;i<=n;i++){
        int a,b;cin >> a >> b;
        if(c[a]==c[b]){
            if(c[a]=='(') d[i]=0,val[a]++;
            else d[i]=1,val[b]--;
        }
        else{
            nxt[a]=b,f[a]=i;
            if(c[a]=='(') d[i]=1,val[b]--;
            else d[i]=0,val[a]--;
        }
    }
    priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
    int cnt=0;
    for(int i=1;i<=2*n;i++){
        if(f[i]) pq.push({nxt[i],f[i]});
        cnt+=val[i];
        if(cnt<0){
            if(pq.empty()) break;
            auto [x,id]=pq.top();pq.pop();
            d[id]^=1;
            if(x<=i) cnt+=2;
            else cnt+=1,val[x]++;
        }
    }
    if(cnt) cout << -1 << '\n';
    else{
        for(int i=1;i<=n;i++) cout << d[i] << ' ';
        cout << '\n';
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    int test;cin >> test;
    while(test--) solve();
}

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