oj.uz

Submission #781704

# Submission time Handle Problem Language Result Execution time Memory
781704 2023-07-13T10:13:55 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
0 / 100
 1 ms 212 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);
#define OYY 1000000005
#define mod 998244353
#define mid (start+end)/2

int32_t main(){
    faster
    int n;cin>>n;
    int r=0,g=0,sr=0,sg=0;
    string s;cin>>s;
    if(s[0]=='R')sr++;
    else if(s[0]=='G')sg++;
    for(int i=1;i<n;i++){
        if(s[i]=='R')sr++;
        else if(s[i]=='G')sg++;
        if(s[i]=='R' && s[i-1]=='R'){
            r++;
        }
        else if(s[i]=='G' && s[i-1]=='G'){
            g++;
        }
    }
    if(n%2==0){
        if(sr==sg){
            cout<<max(r,g)<<'\n';
        }
        else cout<<-1<<'\n';
    }
    else{
        if(sr+1==sg || sr==sg+1){
            cout<<max(r,g)<<'\n';
        }
        else cout<<-1<<'\n';
    }
    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -