답안 #677748

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
677748	2023-01-04T09:38:01 Z	benedict0724	송금 (JOI19_remittance)	C++17	0 / 100	1 ms	212 KB

remittance

#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<N;i++)
    {
        int j = (st + i)%N;
        int k = (j + 1)%N;
        
        if(A[j] < 2 * x[j]) flag = false;
        A[j] -= 2 * x[j];
        A[k] += x[j];
    }
    if(flag) cout << "Yes\n";
    else cout << "No\n";
}

Subtask #1

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	0 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	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 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	1 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	1 ms	212 KB	Output isn't correct
25	Halted	0 ms	0 KB	-

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	0 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	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 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	1 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	1 ms	212 KB	Output isn't correct
25	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 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	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	0 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	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 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	1 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	1 ms	212 KB	Output isn't correct
25	Halted	0 ms	0 KB	-