oj.uz

Submission #861839

# Submission time Handle Problem Language Result Execution time Memory
861839 2023-10-17T03:57:40 Z Aiperiii parentrises (BOI18_parentrises) C++17
5 / 100
 685 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
bool ok(string s,string x){
    int cnt=0;
    for(int i=0;i<s.size();i++){
        if(s[i]=='G' && x[i]=='('){
            cnt++;
        }
        else if(s[i]=='B' && x[i]=='('){
            cnt++;
        }
        else if(s[i]=='B' && x[i]==')'){
            cnt--;
            if(cnt<0)return false;
        }
        else if(s[i]=='G' && x[i]==')'){
            cnt--;
            if(cnt<0)return false;
        }
    }
    if(cnt!=0) return false;
    cnt=0;
    for(int i=0;i<s.size();i++){
        if(s[i]=='G' && x[i]=='('){
            cnt++;
        }
        else if(s[i]=='R' && x[i]=='('){
            cnt++;
        }
        else if(s[i]=='R' && x[i]==')'){
            cnt--;
            if(cnt<0)return false;
        }
        else if(s[i]=='G' && x[i]==')'){
            cnt--;
            if(cnt<0)return false;
        }
    }
    if(cnt!=0) return false;
    return true;
}
signed main(){
    int p,t;
    cin>>p>>t;
    if(p==1){
        while(t--){
            string s;
            cin>>s;
            string ans="impossible";
            queue <string> q;
            q.push("");
            while(!q.empty()){
                string v=q.front();
                q.pop();
                if(v.size()==s.size()){
                    if(ok(v,s)){
                        ans=v;
                        break;
                    }
                }
                else{
                    q.push(v+'R');
                    q.push(v+'B');
                    q.push(v+'G');
                }
            }
            cout<<ans<<"\n";
        }
    }
}

Compilation message

parentrises.cpp: In function 'bool ok(std::string, std::string)':
parentrises.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~
parentrises.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 436 ms 52684 KB Output is correct
5 Correct 685 ms 53956 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Runtime error 316 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 316 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Runtime error 316 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -