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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
#655131#7781. Sheep Eat WolvesenarWA 58ms3844kbC++201.0kb2024-10-19 00:41:452024-10-19 00:41:55

Judging History

你现在查看的是最新测评结果

  • [2024-10-19 00:41:55]
  • 评测
  • 测评结果:WA
  • 用时:58ms
  • 内存:3844kb
  • [2024-10-19 00:41:45]
  • 提交

answer

#include <bits/stdc++.h>
using i64 = long long;
const int INF = 1E4;

void solve() {
    int x, y, p, q;
    std::cin >> x >> y >> p >> q;
    std::vector dp(2, std::vector(x + 1, std::vector<int>(y + 1, INF)));
    dp[0][0][0] = dp[1][x][y] = 0;
    int opt = 0;
    for(int t = 0; t <= x * 2; ++t, opt ^= 1) {
        for(int i = 0; i <= p; ++i) { 
            for(int j = 0; j <= p - i; ++j) { 
                for(int a = i; a <= x; ++a) { 
                    for(int b = (a == x ? j : std::max(j, y - x + a - q)); b <= y; ++b) {
                        dp[opt][a][b] = std::min(dp[opt][a][b], dp[opt ^ 1][x - a + i][y - b + j] + 1); 
                    }
                }
            }
        }
    }   
    i64 sum = 0; 
    int mn = INF;
    for(int i = 0; i <= y; ++i) {
        mn = std::min(mn, dp[0][x][i]);
    }
    std::cout << (mn == INF ? -1 : mn) << '\n';
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int T = 1;
    // std::cin >> T;
    while(T--) {
        solve();
    }
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3792kb

input:

4 4 3 1

output:

3

result:

ok 1 number(s): "3"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

3 5 2 0

output:

5

result:

ok 1 number(s): "5"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3516kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

1 1 1 0

output:

1

result:

ok 1 number(s): "1"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

3 3 1 1

output:

7

result:

ok 1 number(s): "7"

Test #6:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

3 3 2 1

output:

3

result:

ok 1 number(s): "3"

Test #7:

score: 0
Accepted
time: 0ms
memory: 3584kb

input:

10 9 1 10

output:

19

result:

ok 1 number(s): "19"

Test #8:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

15 20 2 5

output:

27

result:

ok 1 number(s): "27"

Test #9:

score: 0
Accepted
time: 2ms
memory: 3576kb

input:

18 40 16 7

output:

5

result:

ok 1 number(s): "5"

Test #10:

score: 0
Accepted
time: 13ms
memory: 3768kb

input:

60 60 8 1

output:

27

result:

ok 1 number(s): "27"

Test #11:

score: 0
Accepted
time: 14ms
memory: 3564kb

input:

60 60 8 4

output:

27

result:

ok 1 number(s): "27"

Test #12:

score: 0
Accepted
time: 11ms
memory: 3776kb

input:

60 60 8 8

output:

25

result:

ok 1 number(s): "25"

Test #13:

score: 0
Accepted
time: 38ms
memory: 3844kb

input:

60 60 16 1

output:

13

result:

ok 1 number(s): "13"

Test #14:

score: 0
Accepted
time: 46ms
memory: 3772kb

input:

60 60 16 8

output:

11

result:

ok 1 number(s): "11"

Test #15:

score: 0
Accepted
time: 53ms
memory: 3836kb

input:

60 60 16 16

output:

11

result:

ok 1 number(s): "11"

Test #16:

score: 0
Accepted
time: 58ms
memory: 3560kb

input:

60 60 16 24

output:

9

result:

ok 1 number(s): "9"

Test #17:

score: -100
Wrong Answer
time: 1ms
memory: 3548kb

input:

75 15 1 1

output:

-1

result:

wrong answer 1st numbers differ - expected: '175', found: '-1'