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#665520#7781. Sheep Eat WolvesKIRITO1211AC ✓189ms5036kbC++172.6kb2024-10-22 13:48:272024-10-22 13:48:28

Judging History

你现在查看的是最新测评结果

  • [2024-10-22 13:48:28]
  • 评测
  • 测评结果：AC
  • 用时：189ms
  • 内存：5036kb
查看
  • [2024-10-22 13:48:27]
  • 提交

answer

#include <bits/stdc++.h>
#include <climits>
using ll = long long;

// 定义状态结构体
struct State {
    int x;
    int y;
    int st;
};

// 线段树合并信息
using viii = std::vector<std::vector<std::vector<ll>>>;
using vii = std::vector<std::vector<int>>;

void solve() {
    int x, y, p, q;
    std::cin >> x >> y >> p >> q;

    // 确保 x 和 y 为非负数
    if (x < 0 || y < 0) {
        std::cout << "-1\n";
        return;
    }

    // 初始化 dp 和 vis
    viii dp(x + 2, std::vector<std::vector<ll>>(y + 2, std::vector<ll>(2, LLONG_MAX)));
    dp[x][y][0] = 0;

    viii vis(x + 2, std::vector<std::vector<ll>>(y + 2, std::vector<ll>(2, 0)));

    std::queue<State> qq;
    qq.push(State{ x, y, 0 });
    int cnt = 0;

    while(!qq.empty()){
        State current = qq.front();
        qq.pop();
        cnt++;
        int xx = current.x;
        int yy = current.y;
        int st = current.st;

        if(vis[xx][yy][st]) continue;
        vis[xx][yy][st] = 1;

        // 调试信息（可选）
        // std::cerr << "Processing state: (" << xx << ", " << yy << ", " << st << ")\n";

        for(int i = 0; i <= x; i++){
            for(int j = 0; j <= y; j++){
                if(st == 0){
                    if(i > xx || j > yy) continue;
                    if((j > i + q && i != 0) || (xx - i + yy - j > p)) continue;
                    if(dp[xx][yy][st] + 1 < dp[i][j][1]){
                        dp[i][j][1] = dp[xx][yy][st] + 1;
                        if(!vis[i][j][1]){
                            qq.push(State{ i, j, 1 });
                        }
                    }
                }
                else{
                    if(i < xx || j < yy) continue;
                    if((y - j > x - i + q && x - i != 0) || (i - xx + j - yy > p)) continue;
                    if(dp[xx][yy][st] + 1 < dp[i][j][0]){
                        dp[i][j][0] = dp[xx][yy][st] + 1;
                        if(!vis[i][j][0]){
                            qq.push(State{ i, j, 0 });
                        }
                    }
                }
            }
        }
    }

    ll ans = LLONG_MAX;
    for(int j = 0; j <= y; j++){
        ans = std::min(ans, dp[0][j][0]);
        ans = std::min(ans, dp[0][j][1]);
    }

    std::cout << ((ans == LLONG_MAX) ? -1 : ans) << '\n';
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    std::cout << std::fixed << std::setprecision(10);
    int t = 1;
    // std::cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}
源文件, 语言: C++17

这程序好像有点Bug，我给组数据试试？

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3780kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3740kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3536kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3568kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3808kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3544kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 7ms
memory: 4032kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 9ms
memory: 4032kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 12ms
memory: 3952kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 7ms
memory: 4236kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 15ms
memory: 4016kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 18ms
memory: 4040kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 20ms
memory: 3968kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: 0
Accepted
time: 3ms
memory: 3920kb

input:

75 15 1 1

output:

175

result:

ok 1 number(s): "175"

Test #18:

score: 0
Accepted
time: 1ms
memory: 4164kb

input:

50 100 1 0

output:

-1

result:

ok 1 number(s): "-1"

Test #19:

score: 0
Accepted
time: 65ms
memory: 4884kb

input:

100 100 10 10

output:

35

result:

ok 1 number(s): "35"

Test #20:

score: 0
Accepted
time: 38ms
memory: 4684kb

input:

100 100 10 1

output:

37

result:

ok 1 number(s): "37"

Test #21:

score: 0
Accepted
time: 90ms
memory: 4728kb

input:

100 100 10 20

output:

33

result:

ok 1 number(s): "33"

Test #22:

score: 0
Accepted
time: 112ms
memory: 4636kb

input:

100 100 10 30

output:

31

result:

ok 1 number(s): "31"

Test #23:

score: 0
Accepted
time: 161ms
memory: 4636kb

input:

100 100 10 80

output:

21

result:

ok 1 number(s): "21"

Test #24:

score: 0
Accepted
time: 164ms
memory: 4960kb

input:

100 100 1 100

output:

199

result:

ok 1 number(s): "199"

Test #25:

score: 0
Accepted
time: 21ms
memory: 4692kb

input:

100 100 5 0

output:

95

result:

ok 1 number(s): "95"

Test #26:

score: 0
Accepted
time: 76ms
memory: 4740kb

input:

100 100 25 3

output:

13

result:

ok 1 number(s): "13"

Test #27:

score: 0
Accepted
time: 82ms
memory: 4700kb

input:

100 100 30 4

output:

11

result:

ok 1 number(s): "11"

Test #28:

score: 0
Accepted
time: 16ms
memory: 4728kb

input:

95 100 3 3

output:

125

result:

ok 1 number(s): "125"

Test #29:

score: 0
Accepted
time: 97ms
memory: 4644kb

input:

98 99 50 6

output:

5

result:

ok 1 number(s): "5"

Test #30:

score: 0
Accepted
time: 98ms
memory: 4664kb

input:

100 100 45 4

output:

7

result:

ok 1 number(s): "7"

Test #31:

score: 0
Accepted
time: 152ms
memory: 4792kb

input:

100 100 40 39

output:

7

result:

ok 1 number(s): "7"

Test #32:

score: 0
Accepted
time: 126ms
memory: 4972kb

input:

100 100 45 19

output:

7

result:

ok 1 number(s): "7"

Test #33:

score: 0
Accepted
time: 184ms
memory: 4748kb

input:

100 100 49 99

output:

5

result:

ok 1 number(s): "5"

Test #34:

score: 0
Accepted
time: 189ms
memory: 4800kb

input:

100 100 49 100

output:

5

result:

ok 1 number(s): "5"

Test #35:

score: 0
Accepted
time: 188ms
memory: 4984kb

input:

100 100 49 98

output:

5

result:

ok 1 number(s): "5"

Test #36:

score: 0
Accepted
time: 188ms
memory: 4744kb

input:

100 100 49 97

output:

5

result:

ok 1 number(s): "5"

Test #37:

score: 0
Accepted
time: 184ms
memory: 5028kb

input:

100 100 49 96

output:

5

result:

ok 1 number(s): "5"

Test #38:

score: 0
Accepted
time: 184ms
memory: 4820kb

input:

100 100 49 95

output:

5

result:

ok 1 number(s): "5"

Test #39:

score: 0
Accepted
time: 96ms
memory: 5036kb

input:

100 100 100 0

output:

1

result:

ok 1 number(s): "1"

Test #40:

score: 0
Accepted
time: 0ms
memory: 3572kb

input:

1 100 1 0

output:

1

result:

ok 1 number(s): "1"

Test #41:

score: 0
Accepted
time: 19ms
memory: 4564kb

input:

90 100 5 5

output:

87

result:

ok 1 number(s): "87"

Test #42:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

100 1 1 0

output:

199

result:

ok 1 number(s): "199"

Test #43:

score: 0
Accepted
time: 54ms
memory: 4280kb

input:

94 61 22 35

output:

9

result:

ok 1 number(s): "9"

Test #44:

score: 0
Accepted
time: 23ms
memory: 4244kb

input:

61 92 36 6

output:

7

result:

ok 1 number(s): "7"

Test #45:

score: 0
Accepted
time: 10ms
memory: 4288kb

input:

73 89 12 4

output:

57

result:

ok 1 number(s): "57"

Test #46:

score: 0
Accepted
time: 1ms
memory: 4232kb

input:

71 80 4 3

output:

-1

result:

ok 1 number(s): "-1"

Test #47:

score: 0
Accepted
time: 11ms
memory: 4164kb

input:

44 75 2 31

output:

85

result:

ok 1 number(s): "85"

Test #48:

score: 0
Accepted
time: 6ms
memory: 3948kb

input:

48 62 5 18

output:

35

result:

ok 1 number(s): "35"

Test #49:

score: 0
Accepted
time: 77ms
memory: 4460kb

input:

73 100 22 49

output:

9

result:

ok 1 number(s): "9"

Extra Test:

score: 0
Extra Test Passed
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服务器时间: 2024-12-11 23:58:17 | 开源项目