Submission #931529

#	Time	Username	Problem	Language	Result	Execution time	Memory
931529		pcc	Modern Machine (JOI23_ho_t5)	C++14	3 / 100	3063 ms	1372 KiB

Main

#include <bits/stdc++.h>
using namespace std;

const int mxn = 2e5+10;

int N,M,Q,op[mxn];
string s;

void calc(int now){
	s[now] = 'R';
	while(now>=1&&now<=N){
		if(s[now] == 'R'){
			s[now] = 'B';
			now++;
		}
		else{
			s[now] = 'R';
			now--;
		}
	}
	return;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>N>>M;
	cin>>s;
	for(int i = 1;i<=M;i++)cin>>op[i];
	s = "#"+s;
	string ss = s;
	cin>>Q;
	while(Q--){
		int l,r;
		cin>>l>>r;
		s = ss;
		for(int i = l;i<=r;i++)calc(op[i]);
		int ans = 0;
		for(int i = 1;i<=N;i++)if(s[i] == 'R')ans++;
		cout<<ans<<'\n';
	}
	return 0;
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 12
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 26
• Subtask 6: 0 / 17
• Subtask 7: 0 / 21