QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #485797 | #7781. Sheep Eat Wolves | duckindog | AC ✓ | 34ms | 4004kb | C++23 | 1.8kb | 2024-07-21 09:27:25 | 2024-09-05 08:23:58 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 100 + 10,
MAX = 1'000'000;
int x, y, p, q;
int f[N][N][2];
bool g[N][N][2];
int32_t main() {
cin.tie(0)->sync_with_stdio(0);
cin >> x >> y >> p >> q;
auto checkLeft = [&](int lSheep, int lWolf) {
return (!lSheep || lWolf - lSheep <= q);
};
auto checkRight = [&](int lSheep, int lWolf) {
int rSheep = x - lSheep, rWolf = y - lWolf;
return (!rSheep || rWolf - rSheep <= q);
};
int answer = MAX;
queue<tuple<int, int, bool>> que({make_tuple(x, y, false)});
g[x][y][0] = true;
while (que.size()) {
auto [lSheep, lWolf, side] = que.front(); que.pop();
int rSheep = x - lSheep, rWolf = y - lWolf;
if (!lSheep) answer = min(answer, f[lSheep][lWolf][side]);
if (!side) {
for (int addSheep = 0; addSheep <= min(lSheep, p); ++addSheep) {
for (int addWolf = 0; addWolf <= min(lWolf, p - addSheep); ++addWolf) {
int nSheep = lSheep - addSheep, nWolf = lWolf - addWolf, nSide = side ^ 1;
if (g[nSheep][nWolf][nSide] || !checkLeft(nSheep, nWolf)) continue;
g[nSheep][nWolf][nSide] = true;
f[nSheep][nWolf][nSide] = f[lSheep][lWolf][side] + 1;
que.emplace(nSheep, nWolf, nSide);
}
}
} else {
for (int addSheep = 0; addSheep <= min(rSheep, p); ++addSheep) {
for (int addWolf = 0; addWolf <= min(rWolf, p - addSheep); ++addWolf) {
int nSheep = lSheep + addSheep, nWolf = lWolf + addWolf, nSide = side ^ 1;
if (g[nSheep][nWolf][nSide] || !checkRight(nSheep, nWolf)) continue;
g[nSheep][nWolf][nSide] = true;
f[nSheep][nWolf][nSide] = f[lSheep][lWolf][side] + 1;
que.emplace(nSheep, nWolf, nSide);
}
}
}
}
cout << (answer == MAX ? -1 : answer) << "\n";
}
这程序好像有点Bug，我给组数据试试？
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3756kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3860kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3688kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3568kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3624kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 2ms
memory: 3548kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3944kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 1ms
memory: 3660kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 1ms
memory: 3736kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 2ms
memory: 3712kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 1ms
memory: 3868kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3656kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 4ms
memory: 3720kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 6ms
memory: 3624kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 16ms
memory: 3744kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 14ms
memory: 3904kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 15ms
memory: 3908kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 16ms
memory: 3688kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 21ms
memory: 3796kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 21ms
memory: 4004kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 21ms
memory: 3720kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 20ms
memory: 4004kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 21ms
memory: 3708kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 22ms
memory: 3772kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 34ms
memory: 3708kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 0ms
memory: 3756kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 1ms
memory: 3932kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 4ms
memory: 3608kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 4ms
memory: 3620kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3904kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 4ms
memory: 3584kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed