Submission #502920

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
502920	2022-01-06T18:27:57 Z	tengiz05	Remittance (JOI19_remittance)	C++17	15 / 100	1 ms	332 KB

remittance

#include <bits/stdc++.h>

using i64 = long long;

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    
    int n;
    std::cin >> n;
    
    std::vector<int> a(n), b(n);
    for (int i = 0; i < n; i++) {
        std::cin >> a[i] >> b[i];
    }
    
    std::function<void()> dfs = [&]() {
        for (int _ = 0; _ < 4 * n; _++) {
            if (a == b) {
                std::cout << "Yes\n";
                std::exit(0);
            }
            int p = 0;
            for (int i = 0; i < n; i++) {
                int j = (p + 1) % n;
                int d = a[p] - b[p];
                if (d <= 0) {
                    p = j;
                    continue;
                }
                if (d == 1 && a[p] > 1) {
                    d++;
                }
                d /= 2;
                a[p] -= 2 * d;
                a[j] += d;
                p = j;
            }
            if (a == b) {
                std::cout << "Yes\n";
                std::exit(0);
            }
            
        }
        std::cout << "No\n";
        std::exit(0);
    };
    
    dfs();
    
    return 0;
}

Subtask #1

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	316 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	316 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	216 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct

Subtask #2

0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	316 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	316 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	216 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Incorrect	0 ms	204 KB	Output isn't correct
37	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	308 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	316 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	316 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	0 ms	312 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	216 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	1 ms	316 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Incorrect	0 ms	204 KB	Output isn't correct
37	Halted	0 ms	0 KB	-