oj.uz

Submission #861970

# Submission time Handle Problem Language Result Execution time Memory
861970 2023-10-17T09:44:15 Z maks007 parentrises (BOI18_parentrises) C++14
50 / 100
 190 ms 58092 KB 
#include "bits/stdc++.h"
 
using namespace std;
 
#define int long long
 
pair <int,int> mn(pair <int,int> a, pair <int,int> b) {
	if(max(a.first, a.second) < max(b.first, b.second) ) return a;
	return b;
}
 
signed main () {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int T;
	cin >> T;
	int q;
	cin >> q;
	while(q --) {
		string str;
		cin >> str;
		int n = str.size();
		stack <int> st;
		vector <int> cnt(n, 0), nopeopen, nopeclose;
		for(int i = 0; i < n; i ++) {
			if(str[i] == ')') {
				if(st.size() == 0) {
					nopeclose.push_back(i);
					continue;
				}
				cnt[i] ++;
				st.pop();
			}else {
				st.push(i);
				cnt[i] ++;
			}
		}
		while(st.size() != 0) nopeopen.push_back(st.top()), st.pop();
		set <int> close, open;
		for(int i = 0; i < str.size(); i ++) {
			if(cnt[i] == 1) {
				if(str[i] == '(') open.insert(i);
				else close.insert(i);
			}
		}
		sort(nopeopen.rbegin(), nopeopen.rend());
		for(auto i : nopeopen) {
			if(close.size() == 0) {
				cout << "impossible\n";
				goto end;
			}
			if(i > *--close.end()) {
				cout << "impossible\n";
				goto end;
			}
			cnt[*--close.end()] ++;
			close.erase(--close.end());
			cnt[i] = 5; 
		}
		sort(nopeclose.begin(), nopeclose.end());
		for(auto i : nopeclose) {
			if(open.size() == 0) {
				cout << "impossible\n";
				goto end;
			}
			if(i < *open.begin()) {
				cout << "impossible\n";
				goto end;
			}
			cnt[*open.begin()] ++;
			open.erase(open.begin());
			cnt[i] = 5;
		}
		for(auto i : cnt) {
			if(i == 2) cout << "G";
			else if(i == 1) cout << "R";
			else cout << "B";
			assert(i > 0);
		}
		cout << "\n";
		continue;
		end:;
	}
	return 0;
}

Compilation message

parentrises.cpp: In function 'int main()':
parentrises.cpp:40:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   for(int i = 0; i < str.size(); i ++) {
      |                  ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 504 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 504 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 2 ms 860 KB Output is correct
16 Correct 7 ms 484 KB Output is correct
17 Correct 15 ms 5976 KB Output is correct
18 Correct 12 ms 1116 KB Output is correct
19 Correct 13 ms 3164 KB Output is correct
20 Correct 15 ms 5980 KB Output is correct
21 Correct 66 ms 1324 KB Output is correct
22 Correct 184 ms 57068 KB Output is correct
23 Correct 126 ms 7616 KB Output is correct
24 Correct 146 ms 29496 KB Output is correct
25 Correct 190 ms 58092 KB Output is correct

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Expected integer, but "B" found
2 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Expected integer, but "B" found
2 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Expected integer, but "B" found
2 Halted 0 ms 0 KB -