Submission #866414

#	Time	Username	Problem	Language	Result	Execution time	Memory
866414		vjudge1	Grudanje (COCI19_grudanje)	C++17	70 / 70	539 ms	26432 KiB

grudanje

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define sp << " " << 
#define int long long
#define vi vector<int>
#define pb push_back
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
#define ordered_set tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update>
const int N = 3e5+1;
const int MOD = 1e9+7;

void solve() {
	string s;
	cin >> s;
	int n = s.size();
	int q;
	cin >> q;
	vector<pii> ranges(q+1);
	F(i,q) cin >> ranges[i].first >> ranges[i].second;
	vi p(n+1);
	F(i,n) cin >> p[i];
	int l = 0;
	int r = n;
	while (l<=r) {
		int m = (l+r) >> 1;
		vector<bool> fucked(n+1);
		F(i,m) fucked[p[i]] = 1;
		vector<vi> pref(26,vi(n+1,0));
		F(i,n) {
			for (int j=0;j<26;j++) pref[j][i] = pref[j][i-1];
			if (!fucked[i])pref[s[i-1]-'a'][i]++;
		}
		bool fl = 1;
		for (auto it : ranges) {
			for (int i=0;i<26;i++) {
				if (pref[i][it.second]-pref[i][it.first-1] >= 2) {
					fl = 0;
				}
			}
		}
		if (fl) r = m-1;
		else l = m+1;
	}
	cout << l << endl;
}       
    
                 
                             
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t; 
	F(i,t) solve();
}
 

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