oj.uz

Submission #98573

# Submission time Handle Problem Language Result Execution time Memory
98573 2019-02-24T13:18:17 Z tdwn parentrises (BOI18_parentrises) C++17
50 / 100
 225 ms 7400 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
 
string code;
 
void solve() {
    cin>>code;
    string answ = code;
 
    stack<int>s1, s2;
    for(int i=0;i<code.length();i++) {
        if(code[i] == '(') {
            s1.push(i);
        }
        else {
            if(s1.size() > 0) {
                answ[s1.top()] = answ[i] = 'R';
                s2.push(s1.top());
                s1.pop();
            }
            else if(s2.size() > 0) {
                answ[s2.top()] = 'G';
                answ[i] = 'B';
                s2.pop();
            }
            else {
                cout<<"impossible\n";
                return;
            }
        }
    }
 
    stack<int>t1, t2;
    for(int i=code.length()-1;i>=0;i--) {
        if(code[i] == ')') {
            t1.push(i);
        }
        else {
            if(answ[i] == 'R' || answ[i] == 'G') continue;
            else {
                if(t1.size() > 0) {
                    answ[i] = 'B';
                    answ[t1.top()] = 'G';
                    t1.pop();
                }
                else {
                    cout<<"impossible\n";
                    return;
                }
            }
        }
    }
    cout<<answ<<"\n";
    return;
}
 
int main() {
    int P, T;
    cin>>P;
    cin>>T;
 
    while(T--) {
        solve();
    }
    return 0;
}

Compilation message

parentrises.cpp: In function 'void solve()':
parentrises.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<code.length();i++) {
                 ~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 256 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 21 ms 384 KB Output is correct
17 Correct 10 ms 1024 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 8 ms 736 KB Output is correct
20 Correct 8 ms 1024 KB Output is correct
21 Correct 225 ms 1144 KB Output is correct
22 Correct 57 ms 7400 KB Output is correct
23 Correct 42 ms 1672 KB Output is correct
24 Correct 47 ms 3948 KB Output is correct
25 Correct 56 ms 7400 KB Output is correct

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Expected integer, but "impossible" found

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Expected integer, but "impossible" found

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Expected integer, but "impossible" found