#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
const int k = 60;
long long x;
long long biscuits[k];
long long sum[k][k], mask[k][k];
int ind[k][k];
queue<pair<int, long long>> solutions;
vector<int> sol;
int p;
bool cmp( int p1, int p2 ) {
//long long r1 = ((mask[p][p1] >> (p1 - p)) + sum[p][p1] - x) >> p2, r2 = ((mask[p][p2] >> (p2 - p)) + sum[p][p2] - x) >> p1;
return ((__int128)mask[p][p1] << p) + (((__int128)sum[p][p1] - x) << p1) > ((__int128)mask[p][p2] << p) + (((__int128)sum[p][p2] - x) << p2);
}
long long count_tastiness( long long X, vector <long long> a ) {
long long s;
x = X;
a.resize( k );
s = 0;
for ( int b = 0; b < k; b++ ) {
a[b] += s;
if ( a[b] > x ) {
s = a[b] - x;
a[b] = x + s % 2;
s /= 2;
} else
s = 0;
biscuits[b] = a[b];
}
for ( int i = 0; i < k; i++ ) {
sum[i][i] = biscuits[i];
for ( int j = i + 1; j < k; j++ ) {
mask[i][j] = mask[i][j - 1] + (((long long)sum[i][j - 1] % 2) << (j - i - 1));
sum[i][j] = sum[i][j - 1] / 2 + biscuits[j];
//printf( "%d %d: %d %d\n", i, j, sum[i][j], mask[i][j] );
}
}
for ( int b = 0; b < k; b++ ) {
for ( int i = b; i < k; i++ )
ind[b][i] = i;
p = b;
sort( ind[b] + b, ind[b] + k, cmp );
}
int ans = 0;
solutions.push( { 0, 0 } );
while ( !solutions.empty() ) {
int b = solutions.front().first;
long long s = solutions.front().second;
solutions.pop();
ans++;
s >>= 1;
for ( int j = b; j < k; j++ ) {
int i = ind[b][j];
long long cs = ((s + mask[b][i]) >> (i - b)) + sum[b][i];
// printf( "%d %d %d\n", b, i, cs );
if ( cs >= x )
solutions.push( { i + 1, cs - x } );
else
break;
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
4 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
7 ms |
600 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
7 ms |
604 KB |
Output is correct |
9 |
Correct |
2 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
400 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Execution timed out |
1101 ms |
332540 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1058 ms |
710076 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1100 ms |
1192 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
4 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
344 KB |
Output is correct |
6 |
Correct |
7 ms |
600 KB |
Output is correct |
7 |
Correct |
2 ms |
348 KB |
Output is correct |
8 |
Correct |
7 ms |
604 KB |
Output is correct |
9 |
Correct |
2 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
4 ms |
400 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
3 ms |
604 KB |
Output is correct |
16 |
Execution timed out |
1101 ms |
332540 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |