oj.uz

Submission #74118

# Submission time Handle Problem Language Result Execution time Memory
74118 2018-08-30T06:42:38 Z jiaqing23 parentrises (BOI18_parentrises) C++14
50 / 100
 203 ms 11660 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fbo find_by_order
#define ook order_of_key

typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
typedef long double ld;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<ll>::iterator sit;
typedef map<ll,ll>::iterator mit;
typedef pair<int,pair<int,int> > tri;

int P, T;
int color[1000050];
int br[1000050];

void solve(string S){

    int n = S.length();
    memset(color, 0, n * sizeof(color[0]));
    for(int i = 0; i < n; i++){
        if(S[i] == '(') br[i] = 0;
        else br[i] = 1;
    }

    //process for first ppl
    int num1 = 0, tem = 0;
    for(int i = 0; i < n; i++){
        if(br[i] == 0) tem ++;
        else if(br[i] == 1 && tem){
            num1++;
            tem--;
            color[i] = 1;
        }
    }
    tem = 0;
    for(int i = n-1; i >= 0; i--){
        if(br[i] == 1) tem ++;
        if(br[i] == 0 && tem){
            color[i] = 1;
            tem--;
            num1--;
        }
        if(num1 == 0) break;
    }

    //process second ppl
    tem = 0;
    for(int i = 0; i < n; i++){
        if(br[i] == 0 && !color[i]){
            tem++;
            color[i] = 2;
        }
        else if(br[i] == 1 && tem){
            tem--;
            color[i] = 3;
        }
    }
    if(tem) {
        cout << "impossible"<<endl;
        return;
    }
    tem = 0;
    for(int i = n-1; i >= 0; i--){
        if(br[i] == 1 && !color[i]){
            tem++;
            color[i] = 2;
        }
        else if(br[i] == 0 && tem){
            tem--;
            color[i] = 3;
        }
    }
    if(tem) {
        cout << "impossible"<<endl;
        return;
    }

    // print color
    for(int i = 0; i < n; i++){
        if(color[i] == 1)cout << "R";
        else if(color[i] == 2) cout << "B";
        else cout << "G";
    }
    cout<<endl;
    return;
}

int main()
{
	//ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> P;
    if(P==1){
        string S;
        cin >> T;
        while(T--){
            cin >> S;
            solve(S);
        }
    }

	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 516 KB Output is correct
5 Correct 2 ms 516 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 532 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 532 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 2 ms 532 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 532 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 2 ms 532 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 2 ms 532 KB Output is correct
8 Correct 2 ms 588 KB Output is correct
9 Correct 2 ms 716 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 4 ms 716 KB Output is correct
12 Correct 3 ms 736 KB Output is correct
13 Correct 3 ms 736 KB Output is correct
14 Correct 3 ms 736 KB Output is correct
15 Correct 4 ms 736 KB Output is correct
16 Correct 24 ms 856 KB Output is correct
17 Correct 12 ms 1680 KB Output is correct
18 Correct 10 ms 1680 KB Output is correct
19 Correct 13 ms 1680 KB Output is correct
20 Correct 14 ms 1740 KB Output is correct
21 Correct 203 ms 1740 KB Output is correct
22 Correct 113 ms 11544 KB Output is correct
23 Correct 78 ms 11544 KB Output is correct
24 Correct 89 ms 11544 KB Output is correct
25 Correct 111 ms 11660 KB Output is correct

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 11660 KB Unexpected end of file - int32 expected

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 11660 KB Unexpected end of file - int32 expected

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 11660 KB Unexpected end of file - int32 expected