oj.uz

Submission #677750

# Submission time Handle Problem Language Result Execution time Memory
677750 2023-01-04T09:44:08 Z benedict0724 Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 212 KB 
#include <iostream>
#include <stack>
#include <string>
#include <queue>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <cassert>

using namespace std;
typedef long long ll;

ll A[22], B[22], C[22];
ll x[22];

int main()
{
    ios::sync_with_stdio(false); cin.tie(NULL);
    int N; cin >> N;
    for(int i=0;i<N;i++) cin >> A[i] >> B[i];
    for(int i=0;i<N;i++) C[i] = A[i] - B[i];
    
    ll X = (1<<N) - 1;
    bool flag = true;
    for(int i=0;i<N;i++)
    {
        ll tmp = 0;
        for(int j=0;j<N;j++)
        {
            tmp += (1<<j) * C[(i+j+1)%N];
        }
        if(tmp < 0 || tmp%X != 0) flag = false;
        x[i] = tmp/X;
    }
    if(!flag)
    {
        cout << "No\n";
        return 0;
    }
    int st = -1;
    
    for(int i=0;i<N;i++)
        if(A[i] >= 2 * x[i]) st = i;
    
    if(st == -1)
    {
        cout << "No\n";
        return 0;
    }
    
    for(int i=0;i<1000;i++)
    {
        for(int j=0;j<N;j++)
        {
            if(x[j] > 0 && A[j] > 1)
            {
                ll k = min(x[j], A[j]/2);
                x[j] -= k;
                A[j] -= 2 * k;
                A[(j+1)%N] += k;
            }
        }
    }
    for(int i=0;i<N;i++)
    {
        if(A[i] != B[i]) flag = false;
    }
    if(flag) cout << "Yes\n";
    else cout << "No\n";
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 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 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 Incorrect 0 ms 212 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 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 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 Incorrect 0 ms 212 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 0 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 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 Incorrect 0 ms 212 KB Output isn't correct
25 Halted 0 ms 0 KB -