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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#637890 | #7781. Sheep Eat Wolves | yuanyq5523 | AC ✓ | 351ms | 285152kb | C++20 | 2.0kb | 2024-10-13 14:19:15 | 2024-10-13 14:19:15 |
Judging History
answer
/*
ANALYSIS:
*/
#include <iostream>
#include <cstring>
#include <string>
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <vector>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <stack>
#include <ctime>
#include <random>
#define int short
#define i32 signed
#define endl '\n'
using namespace std;
const int N = 105;
struct Node {
int sheep, wolf,bank;
};
int boat, gap;
vector<Node> G[2][N][N];
bool vis[N][N][2];
bool isValid(int p, int q) {
if (p + gap >= q || p == 0) return true;
return false;
}
void solution()
{
int sheep, wolf;
cin >> sheep >> wolf >> boat >> gap;
for (int i = 0; i <= sheep; i++)
for (int j = 0; j <= wolf; j++)
for (int p = 0; p <= sheep; p++)
for (int q = 0; q <= wolf; q++) {
if ((i-p)*(j-q)<0) continue;
if (abs(i-p)+abs(j-q)>boat) continue;
if (i>=p && j>=q && isValid(sheep - i, wolf - j) && isValid(p, q)) G[0][i][j].push_back({p, q, 1});
if (p>=i && q>=j && isValid(i, j) && isValid(sheep - p, wolf - q)) G[0][p][q].push_back({i, j, 1});
if (i<=p && j<=q && isValid(i, j) && isValid(sheep - p, wolf - q)) G[1][i][j].push_back({p, q, 0});
if (p<=i && q<=j && isValid(sheep - i, wolf - j) && isValid(p, q)) G[1][p][q].push_back({i, j, 0});
}
queue<pair<Node, int> > que;
que.push({{sheep, wolf, 0}, 0});
vis[sheep][wolf][0] = true;
bool flag = false;
while (!que.empty()) {
auto x = que.front();
Node u = x.first;
if (u.sheep == 0) {
cout << x.second << endl;
flag = true;
break;
}
que.pop();
for (const auto& v : G[u.bank][u.sheep][u.wolf]) {
if (!vis[v.sheep][v.wolf][v.bank]){
vis[v.sheep][v.wolf][v.bank]=true;
que.push({v, x.second + 1});
}
}
}
if (!flag) cout << -1 << endl;
}
i32 main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
//preprocess();
int T=1;
// cin>>T;
while(T--)
{
solution();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3532kb
input:
4 4 3 1
output:
3
result:
ok 1 number(s): "3"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
3 5 2 0
output:
5
result:
ok 1 number(s): "5"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
2 5 1 1
output:
-1
result:
ok 1 number(s): "-1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
1 1 1 0
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
3 3 1 1
output:
7
result:
ok 1 number(s): "7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
3 3 2 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
10 9 1 10
output:
19
result:
ok 1 number(s): "19"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3732kb
input:
15 20 2 5
output:
27
result:
ok 1 number(s): "27"
Test #9:
score: 0
Accepted
time: 2ms
memory: 4172kb
input:
18 40 16 7
output:
5
result:
ok 1 number(s): "5"
Test #10:
score: 0
Accepted
time: 16ms
memory: 4320kb
input:
60 60 8 1
output:
27
result:
ok 1 number(s): "27"
Test #11:
score: 0
Accepted
time: 16ms
memory: 4880kb
input:
60 60 8 4
output:
27
result:
ok 1 number(s): "27"
Test #12:
score: 0
Accepted
time: 17ms
memory: 5472kb
input:
60 60 8 8
output:
25
result:
ok 1 number(s): "25"
Test #13:
score: 0
Accepted
time: 19ms
memory: 5736kb
input:
60 60 16 1
output:
13
result:
ok 1 number(s): "13"
Test #14:
score: 0
Accepted
time: 22ms
memory: 9368kb
input:
60 60 16 8
output:
11
result:
ok 1 number(s): "11"
Test #15:
score: 0
Accepted
time: 25ms
memory: 13028kb
input:
60 60 16 16
output:
11
result:
ok 1 number(s): "11"
Test #16:
score: 0
Accepted
time: 23ms
memory: 16404kb
input:
60 60 16 24
output:
9
result:
ok 1 number(s): "9"
Test #17:
score: 0
Accepted
time: 2ms
memory: 4068kb
input:
75 15 1 1
output:
175
result:
ok 1 number(s): "175"
Test #18:
score: 0
Accepted
time: 21ms
memory: 3656kb
input:
50 100 1 0
output:
-1
result:
ok 1 number(s): "-1"
Test #19:
score: 0
Accepted
time: 108ms
memory: 9512kb
input:
100 100 10 10
output:
35
result:
ok 1 number(s): "35"
Test #20:
score: 0
Accepted
time: 101ms
memory: 5484kb
input:
100 100 10 1
output:
37
result:
ok 1 number(s): "37"
Test #21:
score: 0
Accepted
time: 103ms
memory: 14404kb
input:
100 100 10 20
output:
33
result:
ok 1 number(s): "33"
Test #22:
score: 0
Accepted
time: 114ms
memory: 18944kb
input:
100 100 10 30
output:
31
result:
ok 1 number(s): "31"
Test #23:
score: 0
Accepted
time: 104ms
memory: 30968kb
input:
100 100 10 80
output:
21
result:
ok 1 number(s): "21"
Test #24:
score: 0
Accepted
time: 98ms
memory: 5444kb
input:
100 100 1 100
output:
199
result:
ok 1 number(s): "199"
Test #25:
score: 0
Accepted
time: 98ms
memory: 4404kb
input:
100 100 5 0
output:
95
result:
ok 1 number(s): "95"
Test #26:
score: 0
Accepted
time: 119ms
memory: 14780kb
input:
100 100 25 3
output:
13
result:
ok 1 number(s): "13"
Test #27:
score: 0
Accepted
time: 132ms
memory: 22124kb
input:
100 100 30 4
output:
11
result:
ok 1 number(s): "11"
Test #28:
score: 0
Accepted
time: 89ms
memory: 4196kb
input:
95 100 3 3
output:
125
result:
ok 1 number(s): "125"
Test #29:
score: 0
Accepted
time: 143ms
memory: 58272kb
input:
98 99 50 6
output:
5
result:
ok 1 number(s): "5"
Test #30:
score: 0
Accepted
time: 147ms
memory: 44912kb
input:
100 100 45 4
output:
7
result:
ok 1 number(s): "7"
Test #31:
score: 0
Accepted
time: 205ms
memory: 146328kb
input:
100 100 40 39
output:
7
result:
ok 1 number(s): "7"
Test #32:
score: 0
Accepted
time: 194ms
memory: 101284kb
input:
100 100 45 19
output:
7
result:
ok 1 number(s): "7"
Test #33:
score: 0
Accepted
time: 317ms
memory: 285112kb
input:
100 100 49 99
output:
5
result:
ok 1 number(s): "5"
Test #34:
score: 0
Accepted
time: 321ms
memory: 284932kb
input:
100 100 49 100
output:
5
result:
ok 1 number(s): "5"
Test #35:
score: 0
Accepted
time: 326ms
memory: 284512kb
input:
100 100 49 98
output:
5
result:
ok 1 number(s): "5"
Test #36:
score: 0
Accepted
time: 318ms
memory: 284268kb
input:
100 100 49 97
output:
5
result:
ok 1 number(s): "5"
Test #37:
score: 0
Accepted
time: 339ms
memory: 285140kb
input:
100 100 49 96
output:
5
result:
ok 1 number(s): "5"
Test #38:
score: 0
Accepted
time: 351ms
memory: 285152kb
input:
100 100 49 95
output:
5
result:
ok 1 number(s): "5"
Test #39:
score: 0
Accepted
time: 225ms
memory: 122584kb
input:
100 100 100 0
output:
1
result:
ok 1 number(s): "1"
Test #40:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
1 100 1 0
output:
1
result:
ok 1 number(s): "1"
Test #41:
score: 0
Accepted
time: 78ms
memory: 4240kb
input:
90 100 5 5
output:
87
result:
ok 1 number(s): "87"
Test #42:
score: 0
Accepted
time: 1ms
memory: 4132kb
input:
100 1 1 0
output:
199
result:
ok 1 number(s): "199"
Test #43:
score: 0
Accepted
time: 63ms
memory: 53308kb
input:
94 61 22 35
output:
9
result:
ok 1 number(s): "9"
Test #44:
score: 0
Accepted
time: 49ms
memory: 7744kb
input:
61 92 36 6
output:
7
result:
ok 1 number(s): "7"
Test #45:
score: 0
Accepted
time: 46ms
memory: 4496kb
input:
73 89 12 4
output:
57
result:
ok 1 number(s): "57"
Test #46:
score: 0
Accepted
time: 33ms
memory: 4012kb
input:
71 80 4 3
output:
-1
result:
ok 1 number(s): "-1"
Test #47:
score: 0
Accepted
time: 13ms
memory: 4192kb
input:
44 75 2 31
output:
85
result:
ok 1 number(s): "85"
Test #48:
score: 0
Accepted
time: 11ms
memory: 4780kb
input:
48 62 5 18
output:
35
result:
ok 1 number(s): "35"
Test #49:
score: 0
Accepted
time: 74ms
memory: 51944kb
input:
73 100 22 49
output:
9
result:
ok 1 number(s): "9"
Extra Test:
score: 0
Extra Test Passed