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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#122705 | #6567. Repetitive String Invention | cada_dia_mas_insanos | WA | 30ms | 4836kb | C++17 | 1.9kb | 2023-07-10 22:36:13 | 2023-07-10 22:36:14 |
Judging History
answer
// Too many mind, no mind.
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <array>
#include <iomanip>
using namespace std;
#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define RALL(x) (x).rbegin(), (x).rend()
#define COMP(x) sort(ALL(x)); x.resize(unique(ALL(x)) - (x).begin())
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
#define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)
#define ford(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
using pii = pair <int, int>;
using vi = vector <int>;
using vpi = vector <pii>;
using ll = long long;
using pll = pair<ll, ll>;
using vl = vector<ll>;
using ld = long double;
using vld = vector<ld>;
const int maxn = 810;
int n;
int lcp[maxn][maxn];
char s[maxn];
int main() {
ios_base::sync_with_stdio(0), cin.tie(0);
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
cin >> s;
n = strlen(s);
forn(i, n) fore(j, i+1, n-1) {
int k = 0;
while (i+k<j && j+k<n && s[i+k] == s[j+k]) k++;
lcp[i][j]=k;
}
int ans = 0;
forn(i, n) fore(j, i, n-1) ans += min({j-i, n-j, lcp[i][j]});
forn(i, n) fore(j, i, n-1) {
int len = j-i+1, su=0, pre=0;
fore(k, j+1, n-1) su += lcp[i][k] >= len;
ford(k, i-len) pre += lcp[k][i] >= len;
int l=i-len, r=j+1;
fore(k, 1, min({len, i, n-j})) {
while (r < n && r <= j+k) {
if (lcp[i][r] >= len) su--;
r++;
}
while(l >= 0 && l >= i-k) {
if (lcp[i][l] >= len) pre--;
l--;
}
if (lcp[i-k][j+1] >= k) ans += su + pre;
}
}
cout << ans << endl;
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3340kb
input:
aaaa
output:
9
result:
ok single line: '9'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3432kb
input:
axabxbcxcdxd
output:
22
result:
ok single line: '22'
Test #3:
score: -100
Wrong Answer
time: 30ms
memory: 4836kb
input:
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...
output:
317113839
result:
wrong answer 1st lines differ - expected: '536006700', found: '317113839'