oj.uz

Submission #7164

# Submission time Handle Problem Language Result Execution time Memory
7164 2014-07-27T12:00:50 Z tncks0121 경비원 (GA8_guard) C++
40 / 100
 196 ms 1624 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <string>
#include <functional>
#include <vector>
#include <deque>
#include <utility>
#include <bitset>
#include <limits.h>
  
using namespace std;
typedef long long ll;
typedef unsigned long long llu;
typedef double lf;
typedef unsigned int uint;
typedef long double llf;
typedef pair<int, int> pii;
  
const int N_ = 2225, SZ = 2222;
const int PN = 15;
const int P[] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47};
const int MOD = (int)1e9 + 7;
  
int N, freq[SZ+10];
ll Table[1 << PN], Table_prev[1 << PN];
int A[SZ+10], D[SZ+10];
ll res = 0;
ll ones = 0;
  
int main() {
    scanf("%d", &N);
    for(int i = 1; i <= N; i++) {
        int x; scanf("%d", &x);
        assert(++freq[x] == 1);
    }
  
    for(int n = 1; n <= SZ; n++) D[n] = n;
    for(int i = 0; i < PN; i++) {
        for(int n = P[i]; n <= SZ; n += P[i]) {
            A[n] |= 1<<i;
            while(D[n] % P[i] == 0) D[n] /= P[i];
        }
    }
  
    Table[0] = 1; if(freq[1] == 1) Table[0] = 2;
    for(int n = 2; n <= SZ; n++) if(freq[n] != 0 && D[n] == 1) {
        for(int state = 0; state < (1<<PN); state++) if((state & A[n]) == 0) {
            ll &v = Table[state | A[n]];
            v += Table[state] * freq[n]; v %= MOD;
        }
    }
  
    for(int d = P[PN-1]+1; d <= SZ; d++) if(A[d] == 0) {
        for(int state = 0; state < (1<<PN); state++) Table_prev[state] = Table[state];
        for(int n = d, k = 1; n <= SZ; n += d, k++) if(freq[n] != 0) {
            for(int state = 0; state < (1<<PN); state++) if((state & A[k]) == 0) {
                ll &v = Table[state | A[k]];
                v += Table_prev[state] * freq[n]; v %= MOD;
            }
        }
    }
  
    res = 0;
    for(int state = 0; state < (1<<PN); state++) res = (res + Table[state]) % MOD;
    res -= (N + 1);
    res = (res + MOD) % MOD;
  
    printf("%lld\n", res);
    return 0;
}

Subtask #1
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1624 KB Output is correct
2 Correct 12 ms 1624 KB Output is correct
3 Correct 12 ms 1624 KB Output is correct
4 Correct 8 ms 1624 KB Output is correct
5 Correct 12 ms 1624 KB Output is correct
6 Correct 12 ms 1624 KB Output is correct
7 Correct 8 ms 1624 KB Output is correct
8 Runtime error 0 ms 1624 KB gettid (syscall #186) was called by the program (disallowed syscall)
9 Halted 0 ms 0 KB -

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1624 KB Output is correct
2 Correct 8 ms 1624 KB Output is correct
3 Correct 12 ms 1624 KB Output is correct
4 Correct 12 ms 1624 KB Output is correct
5 Correct 12 ms 1624 KB Output is correct
6 Correct 12 ms 1624 KB Output is correct
7 Correct 12 ms 1624 KB Output is correct
8 Correct 12 ms 1624 KB Output is correct
9 Correct 8 ms 1624 KB Output is correct
10 Correct 12 ms 1624 KB Output is correct
11 Correct 12 ms 1624 KB Output is correct
12 Correct 12 ms 1624 KB Output is correct
13 Correct 12 ms 1624 KB Output is correct
14 Correct 8 ms 1624 KB Output is correct
15 Correct 8 ms 1624 KB Output is correct
16 Correct 12 ms 1624 KB Output is correct
17 Correct 8 ms 1624 KB Output is correct
18 Correct 12 ms 1624 KB Output is correct
19 Correct 12 ms 1624 KB Output is correct
20 Correct 12 ms 1624 KB Output is correct
21 Correct 12 ms 1624 KB Output is correct
22 Correct 12 ms 1624 KB Output is correct
23 Correct 8 ms 1624 KB Output is correct
24 Correct 12 ms 1624 KB Output is correct
25 Correct 12 ms 1624 KB Output is correct
26 Correct 8 ms 1624 KB Output is correct
27 Correct 8 ms 1624 KB Output is correct
28 Correct 12 ms 1624 KB Output is correct
29 Correct 12 ms 1624 KB Output is correct
30 Correct 12 ms 1624 KB Output is correct
31 Correct 8 ms 1624 KB Output is correct
32 Correct 12 ms 1624 KB Output is correct
33 Correct 12 ms 1624 KB Output is correct
34 Correct 12 ms 1624 KB Output is correct
35 Correct 8 ms 1624 KB Output is correct
36 Correct 12 ms 1624 KB Output is correct
37 Correct 12 ms 1624 KB Output is correct
38 Correct 12 ms 1624 KB Output is correct
39 Correct 16 ms 1624 KB Output is correct
40 Correct 12 ms 1624 KB Output is correct
41 Correct 8 ms 1624 KB Output is correct
42 Correct 12 ms 1624 KB Output is correct
43 Correct 16 ms 1624 KB Output is correct

Subtask #3
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 1624 KB gettid (syscall #186) was called by the program (disallowed syscall)
2 Halted 0 ms 0 KB -

Subtask #4
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 196 ms 1624 KB Output is correct
2 Correct 192 ms 1624 KB Output is correct
3 Correct 176 ms 1624 KB Output is correct
4 Correct 152 ms 1624 KB Output is correct
5 Correct 108 ms 1624 KB Output is correct
6 Correct 116 ms 1624 KB Output is correct
7 Correct 116 ms 1624 KB Output is correct
8 Correct 116 ms 1624 KB Output is correct
9 Correct 116 ms 1624 KB Output is correct
10 Correct 116 ms 1624 KB Output is correct
11 Correct 120 ms 1624 KB Output is correct
12 Correct 72 ms 1624 KB Output is correct
13 Correct 72 ms 1624 KB Output is correct
14 Correct 68 ms 1624 KB Output is correct
15 Correct 68 ms 1624 KB Output is correct
16 Correct 72 ms 1624 KB Output is correct
17 Correct 80 ms 1624 KB Output is correct
18 Correct 76 ms 1624 KB Output is correct
19 Correct 24 ms 1624 KB Output is correct
20 Correct 24 ms 1624 KB Output is correct
21 Correct 24 ms 1624 KB Output is correct
22 Correct 24 ms 1624 KB Output is correct
23 Correct 24 ms 1624 KB Output is correct
24 Correct 24 ms 1624 KB Output is correct
25 Correct 24 ms 1624 KB Output is correct

Subtask #5
0.0 / 36.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 1624 KB gettid (syscall #186) was called by the program (disallowed syscall)
2 Halted 0 ms 0 KB -