#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 1e6 + 5;
const int P = 43;
const int M = 1e9 + 7;
int n;
int p[N], h[N];
bool check_equal(int a, int b, int l) {
int ha = (h[a + l - 1] - h[a - 1] + M) % M;
int hb = (h[b + l - 1] - h[b - 1] + M) % M;
return 1ll * ha * p[b - a] % M == hb;
}
int main() {
int Q; cin >> Q;
while(Q--){
string s;
cin >> s;
n = s.size();
p[0] = 1;
for (int i = 1; i <= n; i++) {
p[i] = 1LL * p[i - 1] * P % M;
}
h[0] = 0;
for (int i = 1; i <= n; i++) {
h[i] = (h[i - 1] + 1LL * (s[i - 1] - 'a' + 1) * p[i - 1] % M) % M;
}
int p1 = 0, p2 = n - 1;
ll ans = 0;
while(p1 < p2){
cout << p1 << ' ' << p2 << '\n';
bool ok = false;
for(int k = 1; 2 * k <= p2 - p1 + 1; k++){
if(check_equal(p1 + 1, p2 - k + 2, k)){
p1 += k;
p2 -= k;
ans += 2;
ok = true;
break;
}
}
if(!ok) break;
}
cout << ans + 1 << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2396 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2396 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2396 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
2396 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |