Submission #968377

#	Time	Username	Problem	Language	Result	Execution time	Memory
968377		Isam	Superpozicija (COCI22_superpozicija)	C++17	30 / 110	25 ms	4664 KiB

Main

#include<bits/stdc++.h>
using namespace std;

int n, l[100002], r[100002];

string z;

int ans[100002];

int gr[200002];

set<pair<int, int>> st;

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	int T;
	cin >> T;
	function<void()> test_case = [](){
		cin >> n >> z;
			
		st.clear();
		z = '.' + z;
		for(register int i = 1; i <= n; ++i){
			cin >> l[i] >> r[i];
			gr[l[i]] = r[i];
			gr[r[i]] = l[i];
			if(z[l[i]] == '(' && z[r[i]] == '('){
				ans[i] = 0;
				z[r[i]] = '.';
			}else if(z[l[i]] == ')' && z[r[i]] == ')'){
				ans[i] = 1;
				z[l[i]] = '.';
			}else if(z[l[i]] == '(' && z[r[i]] == ')'){
				st.insert({l[i], i});
				z[l[i]] = '.';
				ans[i] = 1;
			}else{ // ) (
				st.insert({r[i], i});
				z[r[i]] = '.';
				ans[i] = 0;
			}
			
			
		}
		
		if(n & 1) return cout << -1 << '\n', void();
		
		int tot(0);
		
		for(register int i = 1; i <= 2*n; ++i){
			
			if(z[i] ^ '.') tot += (z[i]=='('?1:-1);
			
			while(tot < 0 && !st.empty()){
				
				int pos = st.begin()->first, j = st.begin()->second;
					
				ans[j] ^= 1;
					
				z[pos] = '(';
					
				z[gr[pos]] = '.';
					
				tot += 2;
					
				st.erase(st.begin());
				
				
			}
			
			
		}
		
		function<bool(const string)> is_valid = [](const string &s){
			int tot(0);
			for(register int i = 0; i < (int)s.size(); ++i){
				tot += (s[i]=='('?1:-1);
				if(tot < 0) return false;
			}
			return !tot;
		};
		
				
		string tmp = "";
		
		for(register int i = 1; i <= 2*n; ++i){
			if(z[i] == '.') continue;
			tmp += z[i];
		}
		
		if(is_valid(tmp)){
			for(register int i = 1; i <= n; ++i) cout << ans[i] << ' ';
		}else{
			cout << -1;
		}
		
		cout << '\n';
		
	};
	while(T--) test_case();
	return 0;
}

Compilation message (stderr)

Main.cpp: In lambda function:
Main.cpp:23:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   23 |   for(register int i = 1; i <= n; ++i){
      |                    ^
Main.cpp:50:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   50 |   for(register int i = 1; i <= 2*n; ++i){
      |                    ^
Main.cpp: In lambda function:
Main.cpp:76:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   76 |    for(register int i = 0; i < (int)s.size(); ++i){
      |                     ^
Main.cpp: In lambda function:
Main.cpp:86:20: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   86 |   for(register int i = 1; i <= 2*n; ++i){
      |                    ^
Main.cpp:92:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   92 |    for(register int i = 1; i <= n; ++i) cout << ans[i] << ' ';
      |                     ^

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