oj.uz

Submission #836246

# Submission time Handle Problem Language Result Execution time Memory
836246 2023-08-24T09:06:17 Z maomao90 Packing Biscuits (IOI20_biscuits) C++17
42 / 100
 1000 ms 93028 KB 
// I can do all things through Christ who strengthens me
// Philippians 4:13

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

#define REP(i, j, k) for (int i = j; i < (k); i++)
#define RREP(i, j, k) for (int i = j; i >= (k); i--)

template <class T>
inline bool mnto(T &a, const T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T &a, const T b) {return a < b ? a = b, 1 : 0;}

typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
#define ALL(x) x.begin(), x.end()
#define SZ(x) (int) x.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef tuple<int, int, int> iii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005;
const int MAXK = 62;

int k;
ll x;
vll a;
map<ll, ll> dp[MAXK];

ll count_tastiness(ll _x, vll _a) {
    x = _x; a = _a;
    k = SZ(a);
    ll sm = 0;
    REP (i, 0, k) {
        sm += a[i] << i;
    }
    if (sm == 0) {
        return 1;
    }
    k = 64 - __builtin_clzll(sm);
    a.resize(k, 0);
    REP (i, 0, k) {
        if (a[i] < x) {
            continue;
        }
        ll ex = (a[i] - x) / 2;
        if (i + 1 == k) {
            assert(ex == 0);
            break;
        }
        a[i] -= ex * 2;
        a[i + 1] += ex;
    }
    REP (i, 0, k) {
        cerr << i << ": " << a[i] << '\n';
    }
    dp[0][0] = 1;
    REP (i, 1, k + 1) {
        /*
        REP (j, 0, x + 1) {
            dp[i][j] = 0;
        }
        */
        dp[i].clear();
        for (auto [j, v] : dp[i - 1]) {
        //REP (j, 0, x + 1) {
            int ta = a[i - 1] + j;
            //dp[i][ta / 2] += dp[i - 1][j];
            dp[i][ta / 2] += v;
            if (ta >= x) {
                //dp[i][(ta - x) / 2] += dp[i - 1][j];
                dp[i][(ta - x) / 2] += v;
            }
        }
    }
    return dp[k][0];
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 21892 KB Output is correct
2 Correct 149 ms 11192 KB Output is correct
3 Correct 264 ms 17868 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 678 ms 22524 KB Output is correct
9 Correct 468 ms 16236 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 5 ms 596 KB Output is correct
12 Correct 50 ms 3796 KB Output is correct
13 Correct 609 ms 22512 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 93028 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 80 ms 21892 KB Output is correct
25 Correct 149 ms 11192 KB Output is correct
26 Correct 264 ms 17868 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 678 ms 22524 KB Output is correct
32 Correct 468 ms 16236 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 5 ms 596 KB Output is correct
35 Correct 50 ms 3796 KB Output is correct
36 Correct 609 ms 22512 KB Output is correct
37 Execution timed out 1065 ms 93028 KB Time limit exceeded
38 Halted 0 ms 0 KB -