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Submission #937148

# Submission time Handle Problem Language Result Execution time Memory
937148 2024-03-03T14:27:11 Z 089487 Superpozicija (COCI22_superpozicija) C++14
110 / 110
 24 ms 7776 KB 
#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];
int to[N];
int dp[N];
int ch[N];
void solve(){
    int n;
    cin>>n;
    fill(to,to+(n<<1),-1);
    fill(dp,dp+(n<<1),0LL);
    string s;
    cin>>s;
    set<pii> st;
    int cnt=0;
    int szv=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]) {
            szv++;
            if(s[p[i].F]==')') dp[p[i].F]--,ch[i]=0;
            else {
                dp[p[i].S]--;
                ch[i]=1;
            }
            to[p[i].F]=i;
        }
        else{
            if(s[p[i].F]=='(') dp[p[i].F]++,cnt++,ch[i]=0;
            else {
                dp[p[i].S]--;
                ch[i]=1;
                cnt--;
            }
        }
    }
    int total=-cnt+szv;
    if(total%2){
        cout<<"-1\n";
        return ;
    }
    int a=total/2;
    int b=a+cnt;
    if(a<0||b<0) {
        cout<<"-1\n";
        return ;
    }
    int sum=0;
    priority_queue<pii,vector<pii>,greater<pii> > pq;
    rep(i,0,(n<<1)-1){
        if(i) dp[i]+=dp[i-1];
        if(to[i]!=-1) pq.push(mp(p[to[i]].S,to[i]));
        //cout<<dp[i]<<" \n"[i==n*2-1];
        while(dp[i]<0&&a){
            if(!sz(pq)) {
                cout<<"-1\n";
                return ;
            }
            a--;
            pii k=pq.top();
            //debug("use",k.F,k.S,"swich",p[k.S].F,p[k.S].S);
            dp[i]+=1;
            dp[max(k.F,i)]+=1;
            ch[k.S]^=1;
            pq.pop();
        }
        if(dp[i]<0) {
            cout<<"-1\n";
            return ;
        }
        //cout<<dp[i]<<" \n"[i==2*n-1];
    }
    rep(i,0,n-1){
        cout<<ch[i]<<" \n"[i==n-1];
    }
}
signed main(){
    quick
    int t;
    cin>>t;
    while(t--){
        solve();
    }
}

Compilation message

Main.cpp: In function 'void solve()':
Main.cpp:73:9: warning: unused variable 'sum' [-Wunused-variable]
   73 |     int sum=0;
      |         ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6748 KB Output is correct
2 Correct 13 ms 6488 KB Output is correct
3 Correct 19 ms 7000 KB Output is correct
4 Correct 23 ms 6748 KB Output is correct
5 Correct 19 ms 6680 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 6492 KB Output is correct
2 Correct 15 ms 6760 KB Output is correct
3 Correct 11 ms 6748 KB Output is correct
4 Correct 15 ms 6912 KB Output is correct
5 Correct 11 ms 6928 KB Output is correct
6 Correct 7 ms 6844 KB Output is correct
7 Correct 9 ms 7024 KB Output is correct
8 Correct 10 ms 6888 KB Output is correct
9 Correct 12 ms 6888 KB Output is correct
10 Correct 14 ms 6888 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 15 ms 6488 KB Output is correct
3 Correct 16 ms 6748 KB Output is correct
4 Correct 15 ms 7128 KB Output is correct
5 Correct 17 ms 7228 KB Output is correct
6 Correct 18 ms 7544 KB Output is correct
7 Correct 7 ms 6748 KB Output is correct
8 Correct 14 ms 7448 KB Output is correct
9 Correct 12 ms 7524 KB Output is correct
10 Correct 18 ms 7776 KB Output is correct
11 Correct 20 ms 7504 KB Output is correct

Subtask #4
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 6748 KB Output is correct
2 Correct 13 ms 6488 KB Output is correct
3 Correct 19 ms 7000 KB Output is correct
4 Correct 23 ms 6748 KB Output is correct
5 Correct 19 ms 6680 KB Output is correct
6 Correct 11 ms 6492 KB Output is correct
7 Correct 15 ms 6760 KB Output is correct
8 Correct 11 ms 6748 KB Output is correct
9 Correct 15 ms 6912 KB Output is correct
10 Correct 11 ms 6928 KB Output is correct
11 Correct 7 ms 6844 KB Output is correct
12 Correct 9 ms 7024 KB Output is correct
13 Correct 10 ms 6888 KB Output is correct
14 Correct 12 ms 6888 KB Output is correct
15 Correct 14 ms 6888 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 15 ms 6488 KB Output is correct
18 Correct 16 ms 6748 KB Output is correct
19 Correct 15 ms 7128 KB Output is correct
20 Correct 17 ms 7228 KB Output is correct
21 Correct 18 ms 7544 KB Output is correct
22 Correct 7 ms 6748 KB Output is correct
23 Correct 14 ms 7448 KB Output is correct
24 Correct 12 ms 7524 KB Output is correct
25 Correct 18 ms 7776 KB Output is correct
26 Correct 20 ms 7504 KB Output is correct
27 Correct 24 ms 6800 KB Output is correct
28 Correct 21 ms 6904 KB Output is correct
29 Correct 20 ms 7172 KB Output is correct
30 Correct 21 ms 7476 KB Output is correct
31 Correct 19 ms 7500 KB Output is correct
32 Correct 12 ms 7452 KB Output is correct
33 Correct 15 ms 7480 KB Output is correct
34 Correct 22 ms 7524 KB Output is correct
35 Correct 20 ms 7524 KB Output is correct
36 Correct 23 ms 7524 KB Output is correct