Submission #1232087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232087		yogesh_sane	Lollipop (POI11_liz)	C++20	8 / 100	345 ms	19772 KiB

liz

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n, m;
	cin >> n >> m;
	string s;
	cin >> s;
    vector<int>nx1(n+1, n+1), prefix_sum(n+1);
    int next1 = n+1;
    for(int  i = n-1; i >= 0; i--){
        if(s[i] == 'W')
            next1 = i+1;
        nx1[i+1] = next1; 
    }
    for(int i = 1; i <= n; i++)
        prefix_sum[i] = prefix_sum[i-1] + (s[i-1] == 'W' ? 1 : 2);
    while(m--){
        int k;
        cin >> k;
        auto it = lower_bound(prefix_sum.begin(), prefix_sum.end(), k);
        int r = it-prefix_sum.begin();
        if(it == prefix_sum.end()){
            cout << "NIE" << '\n';
        }else if(*it == k){
            cout << 1 << ' ' << r << '\n';
        }else{
            //*it is k+1
            if(s[0] == 'W'){
                cout << 2 << ' ' << r << '\n';
            }else{
                int mv = min(nx1[1]-1, nx1[r]-r);
                if(r+mv > n)
                    cout << "NIE" << '\n';
                else
                    cout << 1+mv << ' ' << r+mv << '\n';
            }
        }
    }
	return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 8
• Subtask 5: 0 / 8
• Subtask 6: 0 / 8
• Subtask 7: 0 / 8
• Subtask 8: 0 / 8
• Subtask 9: 0 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 9
• Subtask 12: 0 / 9