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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#210147 | #5037. 回文 | hos_lyric# | 0 | 472ms | 8584kb | C++14 | 3.0kb | 2023-10-11 03:21:52 | 2024-07-04 02:18:27 |
Judging History
answer
#include <cassert>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using Int = long long;
template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; };
template <class T> ostream &operator<<(ostream &os, const vector<T> &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; }
template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; }
template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; }
template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; }
#define COLOR(s) ("\x1b[" s "m")
// |as| = n ==> |rs| = 2 n + 1
// [i - rs[i], i + rs[i]] is palindrome for $ as[0] $ as[1] $ ... $ as[n-1] $
// as[i, j): palindrome <=> j - i <= rs[i + j]
template <class String> vector<int> manacher(const String &as) {
const int n = as.size();
vector<int> rs(2 * n + 1);
for (int i = 0, j = 0, k; i <= 2 * n; i += k, j -= k) {
for (; 0 < i - j && i + j < 2 * n &&
(!((i + j + 1) & 1) || as[(i - j - 1) >> 1] == as[(i + j + 1) >> 1]);
++j) {}
rs[i] = j;
for (k = 1; k < j && k + rs[i - k] < j; ++k) rs[i + k] = rs[i - k];
}
return rs;
}
char S[200'010];
int N, Q;
vector<int> O, I, L, R;
vector<char> C;
namespace brute {
vector<int> run() {
cerr<<"[brute::run]"<<endl;
string s = S;
vector<int> ans;
int lastans = 0;
for (int q = 0; q < Q; ++q) {
if (O[q] == 1) {
const int i = I[q] ^ lastans;
s[i] = C[q];
} else {
const int l = (L[q] ^ lastans) - 1;
const int r = R[q] ^ lastans;
const auto rs = manacher(s);
int cnt = 0;
for (int i = l; i < r; ++i) if (rs[i + r] >= r - i) {
++cnt;
}
ans.push_back(cnt);
lastans = cnt;
}
}
return ans;
}
} // brute
int main() {
for (; ~scanf("%s", S); ) {
N = strlen(S);
scanf("%d", &Q);
O.resize(Q, -1);
I.resize(Q, -1);
C.resize(Q, '?');
L.resize(Q, -1);
R.resize(Q, -1);
for (int q = 0; q < Q; ++q) {
scanf("%d", &O[q]);
if (O[q] == 1) {
scanf("%d %c", &I[q], &C[q]);
} else {
scanf("%d%d", &L[q], &R[q]);
}
}
const auto ans = brute::run();
for (const int a : ans) {
printf("%d\n", a);
}
}
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 98ms
memory: 3960kb
input:
aabbbabbbaaaaaaabbabbbaaaabaaaabbaabbaabbaaababbbabbbbabbbbaaaabbbabbbbbaaabbbabbaaaaabbbbbaaababbabbaaaaabaabbbbaaababaaabbaabbabbbabbbbaaaaabbbbbbbabbbaabbbabbabbbababbabbbbaaaaabbaababbbbaabbaaaaaabaaabbbaaababbbbaabaaaaababababbbbbbaaaabbbbaaababaaabbaabbbbbaaaabbaaaabaaaaaababbababaaaabaaababaa...
output:
2 3 5 3 3 3 2 3 4 2 4 2 4 2 3 3 3 2 2 2 2 2 3 3 4 2 2 3 2 2 4 3 3 2 3 3 4 2 4 3 2 2 3 4 2 2 4 2 4 2 2 2 2 3 3 3 4 4 3 3 2 3 3 2 3 3 4 2 2 4 2 3 3 3 3 2 3 2 2 3 2 2 3 6 6 2 3 7 4 3 2 2 2 2 3 4 4 4 4 3 2 3 2 4 2 3 2 3 3 2 2 2 2 3 3 4 3 2 2 4 3 2 4 5 4 2 2 5 3 3 3 3 2 6 3 3 2 3 3 3 2 4 4 5 2 2 3 5 3 3 ...
result:
wrong answer 23rd words differ - expected: '2', found: '3'
Subtask #2:
score: 0
Time Limit Exceeded
Test #15:
score: 0
Time Limit Exceeded
input:
aabababbabbbbbbabbababaaaabababbabbbbbbabbababaaaabababbabbbbbbabbababaaaabababbabbbbbbabbababaabbbaaabbaabbbbaabbaaabbbaabababbabbbbbbabbababaaaabababbabbbbbbabbababaaaabababbabbbbbbabbababaaaabababbabbbbbbabbababaabbaaabaaaaaabaaabbaabababbabbbbbbabbababaaaabababbabbbbbbabbababaaaabababbabbbbbbabb...
output:
result:
Subtask #3:
score: 0
Wrong Answer
Test #21:
score: 0
Wrong Answer
time: 472ms
memory: 8584kb
input:
abbaaaabbabaaaaaabaabbaabbababbaaabbabbbabaabaabaaaaabaabbbbabbabbabbbababbbababababbbbabaabbaaababbbbbababbbbaabbbaaabaababababaabbbbbbaababaabbaaabaabbaaababbabbabbbbaaaaabaaabbbabbbbbbabbbabbabaabbbbbbbaaaabbaaaababbbaaaaaaababaabbbbaaabaaabbaabbbbbbababbaabbaaabbabbbbbabaababbaabaaaabbbbabababba...
output:
2 2 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 7 4 2 2 ...
result:
wrong answer 3rd words differ - expected: '2', found: '3'
Subtask #4:
score: 0
Time Limit Exceeded
Test #27:
score: 0
Time Limit Exceeded
input:
babbaaabbbbbbbabbbababaabbbbbababababbaabaabbbbbbabbbbbbbbbbababbbbabbaabbbaabaabbabbbaabbabbbabbababaababbbabbbbaabbabbabbaaaabbbaaabbbbaabbaaaaaaabbbabbbaaabaababaaabaaaabaaaababaaaaababaaaabaabbaaaabbbabbaabaabbbabbbbbaaabaababbbaaaaabbbbaaabbbbaabbabbbbabbbabbaaaaabaabaaaabbbabbbbbaabbbbabbbbaab...
output:
result:
Subtask #5:
score: 0
Skipped
Dependency #1:
0%
Subtask #6:
score: 0
Skipped
Dependency #1:
0%