mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-05 01:46:27 +00:00
49 lines
803 B
C++
49 lines
803 B
C++
#include <iostream>
|
|
#include <algorithm>
|
|
#include <string>
|
|
|
|
using std::cin;
|
|
using std::cout;
|
|
const char endl = '\n';
|
|
|
|
const int N = 2e5 + 5;
|
|
|
|
int n, a[N][26];
|
|
std::string s;
|
|
|
|
int main() {
|
|
std::ios::sync_with_stdio(false);
|
|
cin.tie(nullptr);
|
|
|
|
cin >> s >> n;
|
|
|
|
s = ' ' + s;
|
|
|
|
for (int i = 1; i < s.size(); i++) {
|
|
std::copy_n(a[i - 1], 26, a[i]);
|
|
|
|
a[i][s[i] - 'a']++;
|
|
}
|
|
|
|
for (int i = 1, l, r; i <= n; i++) {
|
|
cin >> l >> r;
|
|
|
|
if (s[l] != s[r] || l == r) {
|
|
cout << "Yes" << endl;
|
|
|
|
continue;
|
|
}
|
|
|
|
int cnt = 0;
|
|
for (int i = 0; i < 26; i++) {
|
|
if (a[r][i] - a[l - 1][i] > 0) {
|
|
cnt++;
|
|
}
|
|
}
|
|
|
|
cout << (cnt < 3 ? "No" : "Yes") << endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|