QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #684929 | #7781. Sheep Eat Wolves | Yshanqian | AC ✓ | 15ms | 4068kb | C++20 | 2.2kb | 2024-10-28 16:39:52 | 2024-10-28 16:39:52 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define xx first
#define yy second
#define endl "\n"
#define pb push_back
#define int long long
#define ll long long
#define lowbit(x) x & (-x)
typedef pair<int, int> pii;
#define LF(x) fixed << setprecision(x)
#define Yshanqian ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
const int N = 1e6 + 10, M = 1010, inf = 0x3f3f3f3f, mod = 1e9 + 7, P = 13331;
int x, y, p, q;
int dp[110][110][2];
void solve()
{
cin >> x >> y >> p >> q;
for (int i = 0; i <= x; i++)
for (int j = 0; j <= y; j++)
for (int k = 0; k <= 1; k++)
dp[i][j][k] = -1;
dp[x][y][0] = 0; // 左边有多少羊狼，人在那边
queue<array<int, 3>> qu;
qu.push({x, y, 0});
while (qu.size())
{
auto [sx, sy, op] = qu.front();
qu.pop();
if (sx == 0)
{
cout << dp[sx][sy][op] << endl;
return;
}
if (op == 0)
{
for (int i = 0; i <= min(p, sx); i++)
{
for (int j = 0; j <= sy && i + j <= p; j++)
{
if (sx - i > 0 && sy - j > sx - i + q)
continue;
if (dp[sx - i][sy - j][1] != -1)
continue;
dp[sx - i][sy - j][1] = dp[sx][sy][0] + 1;
qu.push({sx - i, sy - j, 1});
}
}
}
else
{
for (int i = 0; i <= p && i <= x - sx; i++)
{
for (int j = 0; i + j <= p && j <= y - sy; j++)
{
if (x - sx - i > 0 && x - sx - i + q < y - sy - j)
continue;
if (dp[sx + i][sy + j][0] != -1)
continue;
dp[sx + i][sy + j][0] = dp[sx][sy][1] + 1;
qu.push({sx + i, sy + j, 0});
}
}
}
}
cout << -1 << endl;
}
signed main()
{
Yshanqian;
int T;
T = 1;
// cin >> T;
for (int cases = 1; cases <= T; ++cases)
{
// cout<<"Case #"<<cases<<": ";
solve();
}
return 0;
}
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: 3608kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3840kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 1ms
memory: 3656kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3660kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3664kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3724kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 1ms
memory: 3700kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3680kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 0ms
memory: 3672kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 1ms
memory: 3784kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 1ms
memory: 3772kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 1ms
memory: 4028kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3716kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 3ms
memory: 3752kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 4ms
memory: 3792kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 0ms
memory: 3720kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 8ms
memory: 4064kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 5ms
memory: 3772kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 5ms
memory: 3808kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 10ms
memory: 3792kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 14ms
memory: 3904kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 14ms
memory: 3852kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 14ms
memory: 3904kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 10ms
memory: 4068kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 14ms
memory: 3964kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 15ms
memory: 3852kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 4ms
memory: 3824kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 1ms
memory: 3744kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 0ms
memory: 3776kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 3ms
memory: 4032kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 2ms
memory: 3776kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 0ms
memory: 3916kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 2ms
memory: 3708kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed