3228 | 2023. 02. 22 22:01:56 | zsombor | Vizeskannák | cpp17 | Elfogadva 40/40 | 17ms | 6636 KiB |
#include <iostream>
#include <vector>
#include <queue>
#include <set>
using namespace std;
struct str {
int aa, bb, cc, ddis;
};
int A, B, C, L, a = 0, b = 0, c = 0, dis = 0, at;
queue <str> q;
set <pair <pair <int, int>, int>> s;
void add() {
if (s.count({ {a,b},c })) return;
if (a == L || b == L || c == L) { cout << dis; exit(0); }
s.insert({ {a,b},c });
str st; st.aa = a; st.bb = b; st.cc = c; st.ddis = dis;
q.push(st);
}
void ont() {
dis++;
at = min(a, B - b);
a -= at; b += at;
add();
a += at; b -= at;
at = min(a, C - c);
a -= at; c += at;
add();
a += at; c -= at;
at = min(b, A - a);
b -= at; a += at;
add();
b += at; a -= at;
at = min(b, C - c);
b -= at; c += at;
add();
b += at; c -= at;
at = min(c, A - a);
c -= at; a += at;
add();
c += at; a -= at;
at = min(c, B - b);
c -= at; b += at;
add();
c += at; b -= at;
}
int main()
{
cin >> A >> B >> C >> L;
a = A; add();
while (q.size()) {
str st = q.front(); q.pop();
a = st.aa; b = st.bb; c = st.cc; dis = st.ddis;
ont();
}
cout << -1;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 40/40 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1684 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 1992 KiB | |||
3 | Elfogadva | 1/1 | 3ms | 2076 KiB | |||
4 | Elfogadva | 1/1 | 3ms | 2304 KiB | |||
5 | Elfogadva | 1/1 | 3ms | 2512 KiB | |||
6 | Elfogadva | 1/1 | 3ms | 2712 KiB | |||
7 | Elfogadva | 1/1 | 3ms | 2836 KiB | |||
8 | Elfogadva | 1/1 | 3ms | 2912 KiB | |||
9 | Elfogadva | 1/1 | 3ms | 3168 KiB | |||
10 | Elfogadva | 1/1 | 3ms | 3384 KiB | |||
11 | Elfogadva | 1/1 | 3ms | 3516 KiB | |||
12 | Elfogadva | 1/1 | 3ms | 3684 KiB | |||
13 | Elfogadva | 2/2 | 2ms | 3772 KiB | |||
14 | Elfogadva | 2/2 | 3ms | 3764 KiB | |||
15 | Elfogadva | 2/2 | 2ms | 3852 KiB | |||
16 | Elfogadva | 2/2 | 2ms | 3864 KiB | |||
17 | Elfogadva | 2/2 | 2ms | 3868 KiB | |||
18 | Elfogadva | 2/2 | 3ms | 3868 KiB | |||
19 | Elfogadva | 2/2 | 3ms | 3988 KiB | |||
20 | Elfogadva | 2/2 | 3ms | 4360 KiB | |||
21 | Elfogadva | 2/2 | 3ms | 4268 KiB | |||
22 | Elfogadva | 2/2 | 2ms | 4264 KiB | |||
23 | Elfogadva | 2/2 | 3ms | 4292 KiB | |||
24 | Elfogadva | 2/2 | 10ms | 5644 KiB | |||
25 | Elfogadva | 2/2 | 8ms | 5308 KiB | |||
26 | Elfogadva | 2/2 | 17ms | 6636 KiB | |||
27 | Elfogadva | 2/2 | 13ms | 6256 KiB |