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Submission #480805

# Submission time Handle Problem Language Result Execution time Memory
480805 2021-10-18T05:45:27 Z wiwiho Fibonacci representations (CEOI18_fib) C++14
5 / 100
 1954 ms 460 KB 
#include<bits/stdc++.h>

#define eb emplace_back
#define iter(a) a.begin(), a.end()
#define lsort(a) sort(iter(a))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define printv(a, b) {\
    for(auto pv : a) b << pv << " ";\
    b << "\n";\
}

using namespace std;

typedef long long ll;

ll MOD = 1000000007;

ll inv(ll a){
    ll b = MOD - 2;
    ll ans = 1;
    while(b > 0){
        if(b & 1) ans = ans * a % MOD;
        a = a * a % MOD;
        b >>= 1;
    }
    return ans;
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;
    assert(n <= 15);

    vector<ll> fib(22);
    fib[0] = 1;
    fib[1] = 1;
    for(int i = 2; i <= 21; i++){
        fib[i] = fib[i - 1] + fib[i - 2];
    }

    ll sum = 0;
    for(int i = 0; i < n; i++){
        int x;
        cin >> x;
        assert(x <= 15);
        sum += fib[x];

        ll ans = 0;
        for(int j = 0; j < (1 << 21); j++){
            ll now = 0;
            for(int k = 0; k < 21; k++){
                if(1 << k & j) now += fib[k + 1];
            }
            if(now == sum) ans++;
        }
        
        cout << ans << "\n";
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1284 ms 284 KB Output is correct
2 Correct 1954 ms 292 KB Output is correct
3 Correct 1924 ms 296 KB Output is correct
4 Correct 128 ms 204 KB Output is correct
5 Correct 1794 ms 304 KB Output is correct
6 Correct 1905 ms 292 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1284 ms 284 KB Output is correct
2 Correct 1954 ms 292 KB Output is correct
3 Correct 1924 ms 296 KB Output is correct
4 Correct 128 ms 204 KB Output is correct
5 Correct 1794 ms 304 KB Output is correct
6 Correct 1905 ms 292 KB Output is correct
7 Runtime error 1 ms 460 KB Execution killed with signal 6
8 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1284 ms 284 KB Output is correct
2 Correct 1954 ms 292 KB Output is correct
3 Correct 1924 ms 296 KB Output is correct
4 Correct 128 ms 204 KB Output is correct
5 Correct 1794 ms 304 KB Output is correct
6 Correct 1905 ms 292 KB Output is correct
7 Runtime error 1 ms 460 KB Execution killed with signal 6
8 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1284 ms 284 KB Output is correct
2 Correct 1954 ms 292 KB Output is correct
3 Correct 1924 ms 296 KB Output is correct
4 Correct 128 ms 204 KB Output is correct
5 Correct 1794 ms 304 KB Output is correct
6 Correct 1905 ms 292 KB Output is correct
7 Runtime error 1 ms 460 KB Execution killed with signal 6
8 Halted 0 ms 0 KB -