oj.uz

Submission #930774

# Submission time Handle Problem Language Result Execution time Memory
930774 2024-02-20T11:52:23 Z Aiperiii Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
0 / 100
 0 ms 348 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    string s;
    cin>>s;
    int cntR=0,cntG=0;
    for(int i=0;i<s.size();i++){
        if(s[i]=='R')cntR++;
        else cntG++;
    }
    if(abs(cntR-cntG)>1){
        cout<<-1;
        return 0;
    }
    char c1='G',c2='R';
    if(cntR>cntG){
        c1='R';c2='G';
    }
    if(s[0]=='R' && cntR==cntG){
        c1='R';c2='G';
    }
    int cnt=0,res=0;
    for(int i=0;i<n;i++){
        if(cnt%2==0){
            if(s[i]!=c1){
                s[i]=c1;
                for(int j=i+1;j<n;j++){
                    if(s[j]==c1){
                        s[j]=c2;
                        res+=j-i;
                        break;
                    }
                }
            }
        }
        else{
            if(s[i]!=c2){
                s[i]=c2;
                for(int j=i+1;j<n;j++){
                    if(s[j]==c2){
                        s[j]=c1;
                        res+=j-i;
                        break;
                    }
                }
            }
        }
        cnt++;
    }
    cout<<res<<"\n";
}
/*
8
1 10000
-1 -10000
2 0
-2 0
100 0
105 0
-100 0
-105 0
 */

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:16:18: 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]
   16 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~

Subtask #1
0 / 5.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 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 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -