oj.uz

Submission #781726

# Submission time Handle Problem Language Result Execution time Memory
781726 2023-07-13T10:24:50 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
0 / 100
 1 ms 332 KB 
#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"
#define ll long long
#define pb push_back
#define N 200005
int n;
int arr[N];
int main(){
	lalala;
	cin>>n;
	string str;cin>>str;
	int r=0,g=0;
	for(int i=0;i<n;i++){
		if(str[i]=='G'){
			arr[i]=1;g++;}

		if(str[i]=='R'){
			arr[i]=2;r++;}
	}
	if(abs(g-r)>1){
		cout<<-1<<endl;
		return 0;
	}
	ll int cev=0;
	for(int i=0;i<n-1;i++){
		//cout<<cev<<endl;
		if(arr[i]==arr[i+1]){
			for(int j=n-1;j>i;j--){
				if(arr[j]==arr[j-1]&&arr[j]!=arr[i]){
					if(abs(g-r==0)){
					swap(arr[i+1],arr[j-1]);
					//cout<<i<< " "<<j-1<<endl;
					cev+=(j-1-(i+1));break;
					}
					else{
						swap(arr[i+1],arr[j]);
					//	cout<<i<< " "<<j<<endl;
						cev+=(j-(i+1));break;
					}

				}
			}
		}
	}cout<<cev<<endl;


}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 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 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 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 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -