oj.uz

Submission #64452

# Submission time Handle Problem Language Result Execution time Memory
64452 2018-08-04T13:51:20 Z Bodo171 parentrises (BOI18_parentrises) C++14
72 / 100
 160 ms 5748 KB 
#include <iostream>
#include <fstream>
using namespace std;
const int nmax=1000005;
string s;
char ans[nmax];
int st1[nmax],st2[nmax];
int tip,cnt,u,t,i,u1,u2,p1;
int answ[]={0,0,1,2,2,6,12,18,43,86,148,326,652,1194,2531,5062,9578,19884,39768,76680,157236,314472,613440,1248198,2496396,4906266,9932707,19865414,39237478,79165646,158331292,};
int main()
{
    //freopen("data.in","r",stdin);
    cin>>tip;
    if(tip==1)
    {
        cin>>t;
        for(int cnt=1;cnt<=t;cnt++)
        {
            cin>>s;u1=u2=0;

            bool ok=1;
            for(i=0;i<s.size();i++)
            {
                if(s[i]=='(')
                {
                    st1[++u1]=i;
                    st2[++u2]=i;
                }
                else
                {
                    if(u1)
                    {
                        ans[st1[u1]]='R';
                        u1--;
                        ans[i]='R';
                    }
                    else
                    {
                        if(u2)
                        {
                            ans[st2[u2]]='G';
                            u2--;
                            ans[i]='B';
                        }
                        else ok=0;
                    }
                }
            }
            p1=1;
            for(i=0;i<s.size();i++)
                if(s[i]==')')
            {
                  if(p1<=u1&&st1[p1]<=i)
                  {
                       ans[st1[p1]]='B';
                       p1++;
                       ans[i]='G';
                  }
            }
            for(i=0;i<s.size();i++)
                if(!ans[i])
                  ok=0;
            if(p1<=u1||(!ok))
            {
                for(i=0;i<s.size();i++)
                 ans[i]=0;
                cout<<"impossible\n";
                continue;
            }
            cout<<ans<<'\n';
            for(i=0;i<s.size();i++)
              ans[i]=0;
        }
    }
    else
    {
        cin>>t;
        int x;
        for(i=1;i<=t;i++)
        {
            cin>>x;
            cout<<answ[x]<<'\n';
        }
    }
    return 0;
}

Compilation message

parentrises.cpp: In function 'int main()':
parentrises.cpp:22:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(i=0;i<s.size();i++)
                     ~^~~~~~~~~
parentrises.cpp:50:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(i=0;i<s.size();i++)
                     ~^~~~~~~~~
parentrises.cpp:60:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(i=0;i<s.size();i++)
                     ~^~~~~~~~~
parentrises.cpp:65:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(i=0;i<s.size();i++)
                         ~^~~~~~~~~
parentrises.cpp:71:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(i=0;i<s.size();i++)
                     ~^~~~~~~~~

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 460 KB Output is correct
3 Correct 3 ms 460 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 2 ms 460 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 472 KB Output is correct
2 Correct 3 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 3 ms 596 KB Output is correct

Subtask #3
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 472 KB Output is correct
2 Correct 3 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 472 KB Output is correct
2 Correct 3 ms 548 KB Output is correct
3 Correct 2 ms 548 KB Output is correct
4 Correct 2 ms 548 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 2 ms 620 KB Output is correct
7 Correct 2 ms 620 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 6 ms 620 KB Output is correct
12 Correct 3 ms 692 KB Output is correct
13 Correct 3 ms 692 KB Output is correct
14 Correct 3 ms 692 KB Output is correct
15 Correct 5 ms 692 KB Output is correct
16 Correct 28 ms 692 KB Output is correct
17 Correct 8 ms 1208 KB Output is correct
18 Correct 9 ms 1208 KB Output is correct
19 Correct 8 ms 1208 KB Output is correct
20 Correct 9 ms 1288 KB Output is correct
21 Correct 160 ms 1448 KB Output is correct
22 Correct 53 ms 5748 KB Output is correct
23 Correct 47 ms 5748 KB Output is correct
24 Correct 58 ms 5748 KB Output is correct
25 Correct 58 ms 5748 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5748 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5748 KB Output is correct
2 Correct 3 ms 5748 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5748 KB Output is correct
2 Correct 3 ms 5748 KB Output is correct
3 Incorrect 4 ms 5748 KB Output isn't correct