답안 #542864

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
542864	2022-03-28T10:03:28 Z	colossal_pepe	송금 (JOI19_remittance)	C++17	15 / 100	48 ms	79804 KB

remittance

#include <iostream>
#include <vector>
#include <cstring>
using namespace std;

typedef long long ll;

const int MAXN = 7;

int n, power10[8] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000};
int dp[10000000 + 5], a[MAXN + 5], b[MAXN + 5], idb, sb;

bool brutus(int arr[]) {
	int id = 0, sa = 0;
	for (int i = 0; i < n; i++) {
		sa += arr[i];
		id += power10[i] * arr[i];
	}
	if (sa < sb) return 0;
	if (dp[id] != -1) return dp[id];
	dp[id] = 0;
	for (int i = 0; i < n; i++) {
		if (arr[i] > 1) {
			arr[i] -= 2;
			arr[(i + 1) % n] += 1;
			dp[id] |= brutus(arr);
			arr[i] += 2;
			arr[(i + 1) % n] -= 1;
		}
	}
	return dp[id];
}


int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    memset(dp, -1, sizeof(dp));
    cin >> n;
    idb = 0, sb = 0;
    for (int i = 0; i < n; i++) {
    	cin >> a[i] >> b[i];
    	sb += b[i];
    	idb += power10[i] * b[i];
    }
    dp[idb] = 1;
    cout << (brutus(a) ? "Yes" : "No") << '\n';
    return 0;
}

Subtask #1

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	39380 KB	Output is correct
2	Correct	18 ms	39376 KB	Output is correct
3	Correct	18 ms	39380 KB	Output is correct
4	Correct	16 ms	39460 KB	Output is correct
5	Correct	17 ms	39444 KB	Output is correct
6	Correct	17 ms	39380 KB	Output is correct
7	Correct	17 ms	39340 KB	Output is correct
8	Correct	15 ms	39380 KB	Output is correct
9	Correct	16 ms	39384 KB	Output is correct
10	Correct	16 ms	39436 KB	Output is correct
11	Correct	15 ms	39448 KB	Output is correct
12	Correct	16 ms	39380 KB	Output is correct
13	Correct	16 ms	39436 KB	Output is correct
14	Correct	17 ms	39436 KB	Output is correct
15	Correct	17 ms	39380 KB	Output is correct
16	Correct	16 ms	39352 KB	Output is correct
17	Correct	16 ms	39380 KB	Output is correct
18	Correct	17 ms	39356 KB	Output is correct
19	Correct	16 ms	39344 KB	Output is correct
20	Correct	17 ms	39440 KB	Output is correct
21	Correct	17 ms	39380 KB	Output is correct
22	Correct	17 ms	39400 KB	Output is correct
23	Correct	17 ms	39376 KB	Output is correct
24	Correct	18 ms	39360 KB	Output is correct
25	Correct	15 ms	39380 KB	Output is correct
26	Correct	17 ms	39364 KB	Output is correct
27	Correct	17 ms	39440 KB	Output is correct
28	Correct	16 ms	39376 KB	Output is correct
29	Correct	18 ms	39432 KB	Output is correct
30	Correct	19 ms	39416 KB	Output is correct
31	Correct	20 ms	39380 KB	Output is correct
32	Correct	19 ms	39444 KB	Output is correct

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	39380 KB	Output is correct
2	Correct	18 ms	39376 KB	Output is correct
3	Correct	18 ms	39380 KB	Output is correct
4	Correct	16 ms	39460 KB	Output is correct
5	Correct	17 ms	39444 KB	Output is correct
6	Correct	17 ms	39380 KB	Output is correct
7	Correct	17 ms	39340 KB	Output is correct
8	Correct	15 ms	39380 KB	Output is correct
9	Correct	16 ms	39384 KB	Output is correct
10	Correct	16 ms	39436 KB	Output is correct
11	Correct	15 ms	39448 KB	Output is correct
12	Correct	16 ms	39380 KB	Output is correct
13	Correct	16 ms	39436 KB	Output is correct
14	Correct	17 ms	39436 KB	Output is correct
15	Correct	17 ms	39380 KB	Output is correct
16	Correct	16 ms	39352 KB	Output is correct
17	Correct	16 ms	39380 KB	Output is correct
18	Correct	17 ms	39356 KB	Output is correct
19	Correct	16 ms	39344 KB	Output is correct
20	Correct	17 ms	39440 KB	Output is correct
21	Correct	17 ms	39380 KB	Output is correct
22	Correct	17 ms	39400 KB	Output is correct
23	Correct	17 ms	39376 KB	Output is correct
24	Correct	18 ms	39360 KB	Output is correct
25	Correct	15 ms	39380 KB	Output is correct
26	Correct	17 ms	39364 KB	Output is correct
27	Correct	17 ms	39440 KB	Output is correct
28	Correct	16 ms	39376 KB	Output is correct
29	Correct	18 ms	39432 KB	Output is correct
30	Correct	19 ms	39416 KB	Output is correct
31	Correct	20 ms	39380 KB	Output is correct
32	Correct	19 ms	39444 KB	Output is correct
33	Runtime error	48 ms	79804 KB	Execution killed with signal 11
34	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	39380 KB	Output is correct
2	Correct	18 ms	39376 KB	Output is correct
3	Correct	18 ms	39380 KB	Output is correct
4	Correct	16 ms	39460 KB	Output is correct
5	Correct	17 ms	39444 KB	Output is correct
6	Correct	17 ms	39380 KB	Output is correct
7	Correct	17 ms	39340 KB	Output is correct
8	Correct	15 ms	39380 KB	Output is correct
9	Correct	16 ms	39384 KB	Output is correct
10	Correct	16 ms	39436 KB	Output is correct
11	Correct	15 ms	39448 KB	Output is correct
12	Correct	16 ms	39380 KB	Output is correct
13	Correct	16 ms	39436 KB	Output is correct
14	Correct	17 ms	39436 KB	Output is correct
15	Correct	17 ms	39380 KB	Output is correct
16	Correct	16 ms	39352 KB	Output is correct
17	Correct	16 ms	39380 KB	Output is correct
18	Correct	17 ms	39356 KB	Output is correct
19	Correct	16 ms	39344 KB	Output is correct
20	Correct	17 ms	39440 KB	Output is correct
21	Correct	17 ms	39380 KB	Output is correct
22	Correct	17 ms	39400 KB	Output is correct
23	Correct	17 ms	39376 KB	Output is correct
24	Correct	18 ms	39360 KB	Output is correct
25	Correct	15 ms	39380 KB	Output is correct
26	Correct	17 ms	39364 KB	Output is correct
27	Correct	17 ms	39440 KB	Output is correct
28	Correct	16 ms	39376 KB	Output is correct
29	Correct	18 ms	39432 KB	Output is correct
30	Correct	19 ms	39416 KB	Output is correct
31	Correct	20 ms	39380 KB	Output is correct
32	Correct	19 ms	39444 KB	Output is correct
33	Runtime error	48 ms	79804 KB	Execution killed with signal 11
34	Halted	0 ms	0 KB	-