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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
#210916#2067. 肉夹馍_Alexande_1002423ms182796kbC++111.8kb2024-08-08 10:18:282024-08-08 14:28:22

answer

#include <bits/stdc++.h>

using namespace std;

// #define int long long
#define fir first
#define sec second
#define mkp make_pair 
#define pb push_back
#define lep( i, l, r ) for ( int i = ( l ); i <= ( r ); ++ i )
#define rep( i, r, l ) for ( int i = ( r ); i >= ( l ); -- i )

typedef long long ll;
typedef long double ld;
typedef pair < int, int > pii;

char _c; bool _f; template < class type > inline void read ( type &x ) {
	_f = 0, x = 0;
	while ( _c = getchar (), !isdigit ( _c ) ) if ( _c == '-' ) _f = 1;
	while ( isdigit ( _c ) ) x = x * 10 + _c - '0', _c = getchar (); if ( _f ) { x = -x; }
}

template < class type > inline void chkmin ( type &x, type y ) { x = ( x <= y ? x : y ); }
template < class type > inline void chkmax ( type &x, type y ) { x = ( x >= y ? x : y ); }

const int N = 3e6 + 5;

int n;
int nxt[N], f[N][22];
string s;

int query ( int x ) {
  int maxlen = ( x & 1 ? x / 2 : x / 2 - 1 );
  for ( int i = 21; i >= 0; i -- ) {
    if ( f[x][i] > maxlen ) {
      x = f[x][i];
    }
  }
  return f[x][0];
}

void Solve () {
  ios :: sync_with_stdio ( false );
  cin.tie ( 0 ), cout.tie ( 0 );
  cin >> s;
  n = s.size ();
  s = " " + s;
	for ( int i = 2, j = 0; i <= n; i ++ ) {
		while ( j && s[i] != s[j + 1] ) {
			j = nxt[j];
		}
		if ( s[i] == s[j + 1] ) {
			j ++;
		}
		nxt[i] = j;
	}
  for ( int i = 1; i <= n; i ++ ) {
    f[i][0] = nxt[i];
  }
  for ( int i = 1; i <= n; i ++ ) {
    for ( int j = 1; j <= 21; j ++ ) {
      f[i][j] = f[f[i][j - 1]][j - 1];
    }
  }
  for ( int i = 1; i <= n; i ++ ) {
    cout << query ( i ) << " ";
  }
}

signed main () {
#ifdef judge
  freopen ( "Code.in", "r", stdin );
  freopen ( "Code.out", "w", stdout );
  freopen ( "Code.err", "w", stderr );
#endif
  Solve ();
	return 0;
}

详细

小提示:点击横条可展开更详细的信息

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 0ms
memory: 1264kb

input:

qpbvqpbvqpbvavdqpbvqpbvqpbvavdqpbvqpbvqpbvavdfnfninqpbvqpbvqpbvavdqpbvqpbvqpbvavdqpbvqpbvqpbvavd

output:

0 0 0 0 1 2 3 0 1 2 3 4 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...

result:

ok 96 tokens

Test #2:

score: 0
Accepted
time: 0ms
memory: 1264kb

input:

wfalgbgweavpwhfahfewhavweahuwbvbqvuivhuiaehufuaeuvdafuivjafislfhbibcuuiabcuibsv

output:

0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

result:

ok 79 tokens

Test #3:

score: 0
Accepted
time: 0ms
memory: 1264kb

input:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

output:

0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 ...

result:

ok 100 tokens

Subtask #2:

score: 20
Accepted

Test #4:

score: 20
Accepted
time: 0ms
memory: 1536kb

input:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 ...

result:

ok 3000 tokens

Test #5:

score: 0
Accepted
time: 1ms
memory: 1532kb

input:

cjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcjcj...

output:

0 0 1 0 1 2 3 2 3 4 5 4 5 6 7 6 7 8 9 8 9 10 11 10 11 12 13 12 13 14 15 14 15 16 17 16 17 18 19 18 1...

result:

ok 3000 tokens

Test #6:

score: 0
Accepted
time: 0ms
memory: 1516kb

input:

ckcckckcckcckckcckcckckcckcckckcsdvhckcckckcckcckckcckcckckcckcckckcsdvhckcckckcckcckckcckcckckcckcc...

output:

0 0 1 1 2 1 2 3 4 2 3 4 5 6 7 3 4 5 6 4 5 6 7 8 9 10 11 12 13 14 15 8 0 0 0 0 1 2 3 4 5 6 7 8 9 10 1...

result:

ok 2828 tokens

Subtask #3:

score: 30
Accepted

Test #7:

score: 30
Accepted
time: 17ms
memory: 10388kb

input:

aocnsaosashoicfaaocnsaosashoicfaqowfwpqgvqvhoabcdoawaocnsaosashoicfaaocnsaosashoicfaqowfwpqgvqvhoabc...

output:

0 0 0 0 0 1 2 0 1 0 0 0 0 0 0 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 ...

result:

ok 100000 tokens

Test #8:

score: 0
Accepted
time: 30ms
memory: 10384kb

input:

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 ...

result:

ok 100000 tokens

Test #9:

score: 0
Accepted
time: 25ms
memory: 10384kb

input:

vivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivivi...

output:

0 0 1 0 1 2 3 2 3 4 5 4 5 6 7 6 7 8 9 8 9 10 11 10 11 12 13 12 13 14 15 14 15 16 17 16 17 18 19 18 1...

result:

ok 100000 tokens

Subtask #4:

score: 40
Accepted

Test #10:

score: 40
Accepted
time: 530ms
memory: 182792kb

input:

aoifcpiapdpsahfahiofhdiohraoifcpiapdpsahfahiofhdiohraoifcpiapdpsahfahiofhdiohraoifcpiapdpsahfahiofhd...

output:

0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

result:

ok 2000000 tokens

Test #11:

score: 0
Accepted
time: 486ms
memory: 182792kb

input:

abacabadabacabaeabacabadabacabafabacabadabacabaeabacabadabacabagabacabadabacabaeabacabadabacabafabac...

output:

0 0 1 0 1 2 3 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

result:

ok 2000000 tokens

Test #12:

score: 0
Accepted
time: 691ms
memory: 182792kb

input:

gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...

output:

0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 ...

result:

ok 2000000 tokens

Test #13:

score: 0
Accepted
time: 643ms
memory: 182796kb

input:

duududuududuududuududuududuududuududuududuududuududuududuududuududuududuududuududuududuududuududuudu...

output:

0 0 0 1 2 1 2 3 4 2 1 2 3 4 5 6 7 8 9 5 6 7 8 9 10 11 12 13 14 10 11 12 13 14 15 16 17 18 19 15 16 1...

result:

ok 2000000 tokens