#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
using namespace std;
const int N = 50100;
string s;
int n, suf[N][26];
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
freopen("in.txt","r",stdin);
#endif // _LOCAL
cin >> s;
n = sz(s);
for (int i = 0; i < 26; i++)
suf[n][i] = 0;
for (int i = n - 1; i >= 0; i--){
for (int j = 0; j < 26; j++)
suf[i][j] = suf[i + 1][j];
suf[i][s[i] - 'a']++;
}
int qq; cin >> qq;
for (; qq; qq--){
int a, b, c, d;
cin >> a >> b >> c >> d;
a--; b--; c--; d--;
bool ok = 1;
for (int i = 0; i < 26 && ok; i++)
ok &= bool((suf[a][i] - suf[b + 1][i]) == (suf[c][i] - suf[d + 1][i]));
cout << (ok ? "DA\n" : "NE\n");
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
512 KB |
Output is correct |
4 |
Correct |
6 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
34 ms |
5632 KB |
Output is correct |
7 |
Correct |
33 ms |
5632 KB |
Output is correct |
8 |
Correct |
31 ms |
5760 KB |
Output is correct |
9 |
Correct |
33 ms |
5752 KB |
Output is correct |
10 |
Correct |
31 ms |
5632 KB |
Output is correct |