#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
using ll = long long;
const int maxN = 5e4 + 1;
const int MOD = 1e9 + 7;
string s;
int n, q, pre[maxN][26];
void ReadInput()
{
cin >> s;
n = s.size();
s = " " + s;
}
void Solve()
{
for (int i = 1; i <= n; i++)
{
pre[i][s[i] - 'a']++;
for (int j = 0; j < 26; j++)
pre[i][j] += pre[i - 1][j];
}
int A, B, C, D;
cin >> q;
while (q--)
{
cin >> A >> B >> C >> D;
bool flag = true;
for (int j = 0; j < 26; j++)
if (pre[B][j] - pre[A - 1][j] != pre[D][j] - pre[C - 1][j])
{
flag = false;
break;
}
if (flag) cout << "DA\n";
else cout << "NE\n";
}
}
#define task ""
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
//freopen(task".INP", "r", stdin);
//freopen(task".OUT", "w", stdout);
int T = 1;
//cin >> T;
while (T--)
{
ReadInput();
Solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
476 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
18 ms |
6780 KB |
Output is correct |
7 |
Correct |
19 ms |
6756 KB |
Output is correct |
8 |
Correct |
17 ms |
6780 KB |
Output is correct |
9 |
Correct |
17 ms |
6896 KB |
Output is correct |
10 |
Correct |
21 ms |
6752 KB |
Output is correct |