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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#291766 | #5312. Levenshtein Distance | Radewoosh# | RE | 3ms | 15940kb | C++23 | 4.1kb | 2023-12-27 05:55:07 | 2023-12-27 05:55:07 |
Judging History
answer
//~ while (clock()<=69*CLOCKS_PER_SEC)
//~ #pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("O3")
//~ #pragma GCC target ("avx2")
//~ #pragma GCC optimize("Ofast")
//~ #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//~ #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set =
tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define shandom_ruffle random_shuffle
using ll=long long;
using pii=pair<int,int>;
using pll=pair<ll,ll>;
using vi=vector<int>;
using vll=vector<ll>;
const int nax=100*1007;
const int d=17;
const int kax=107;
int k, n, m;
char raz[nax];
char dwa[nax];
int hasz1[d][nax];
int hasz2[d][nax];
int wyn[nax];
int wsp(int a, int b)
{
int ret=0;
for (int i=d-1; i>=0; i--)
{
if (hasz1[i][a]==hasz2[i][b])
{
ret+=(1<<i);
a+=(1<<i);
b+=(1<<i);
}
}
assert(ret<100);
return ret;
}
int dp[kax][kax];
int czas;
void maxi(int &a, int b)
{
a=max(a, b);
}
int &daj(int a, int b)
{
return dp[a][b+a];
}
void cons(int ile, int a, int b, int h)
{
if (a<0 || b<h || a>n || b>m)
return;
maxi(daj(ile, a-(b-h)), a);
}
int ost[nax];
int main()
{
scanf("%d", &k);
scanf("%s", raz+1);
scanf("%s", dwa+1);
n=strlen(raz+1);
m=strlen(dwa+1);
for (int i=1; i<=n; i++)
hasz1[0][i]=raz[i];
for (int i=1; i<=m; i++)
hasz2[0][i]=dwa[i];
hasz1[0][n+1]=300;
hasz2[0][m+1]=400;
for (int h=1; h<d; h++)
{
vector<pair<pii,pii>> wek;
int dlu=(1<<h);
for (int i=1; i<=n+1; i++)
{
czas++;
if (i+dlu-1<=n)
wek.push_back({{hasz1[h-1][i], hasz1[h-1][i+dlu/2]}, {1, i}});
else
wek.push_back({{czas, czas}, {1, i}});
}
for (int i=1; i<=m+1; i++)
{
czas++;
if (i+dlu-1<=m)
wek.push_back({{hasz2[h-1][i], hasz2[h-1][i+dlu/2]}, {2, i}});
else
wek.push_back({{czas, czas}, {2, i}});
}
sort(wek.begin(), wek.end());
int num=0;
for (int i=0; i<(int)wek.size(); i++)
{
if (!i || wek[i].first!=wek[i-1].first)
num++;
if (wek[i].second.first==1)
hasz1[h][wek[i].second.second]=num;
else
hasz2[h][wek[i].second.second]=num;
}
}
czas=0;
for (int h=0; h<m; h++)
{
czas++;
for (int i=0; i<=k; i++)
for (int j=0; j<=2*i; j++)
dp[i][j]=-1;
dp[0][0]=0;
for (int i=0; i<=k; i++)
{
for (int j=-i; j<=i; j++)
{
//~ debug() << imie(h) << imie(i) << imie(j);
int &w=daj(i, j);
if (w<0)
continue;
int a=w;
int b=w+h-j;
//~ debug() << imie(a) << imie(b);
int x=wsp(a+1, b+1);
w+=x;
a+=x;
b+=x;
//~ debug() << i << " " << a << " " << b;
for (int x=-1; x<=1; x++)
for (int y=-1; y<=1; y++)
cons(i+1, a+x, b+y, h);
//~ maxi(daj(i+1, j-1), w);
//~ maxi(daj(i+1, j), w);
//~ maxi(daj(i+1, j+1), w);
//~ debug() << i << " " << a << " " << b;
if (a==n && b>h && ost[b]<czas)
{
ost[b]=czas;
wyn[i]++;
}
}
}
}
for (int i=0; i<=k; i++)
printf("%d\n", wyn[i]);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 3ms
memory: 15940kb
input:
4 aaa aabbaab
output:
0 5 15 7 1
result:
ok 5 number(s): "0 5 15 7 1"
Test #2:
score: -100
Runtime Error
input:
30 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...