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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
#244014	#7687. Randias Permutation Task	ucup-team1001^#	WA	67ms	31652kb	C++20	2.3kb	2023-11-08 20:25:10	2023-11-08 20:25:10

Judging History

你现在查看的是最新测评结果

[2023-11-08 20:25:10]
评测

测评结果：WA
用时：67ms
内存：31652kb

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[2023-11-08 20:25:10]
提交

answer

/*
Author: haze
2023/11/8
19:38
*/

#include <bits/stdc++.h>

#define irep(i, l, r) for(int (i) = (l); (i) <= (r); ++(i))
#define drep(i, r, l) for(int (i) = (r); (i) >= (l); --(i))
#define ll long long
#define LL __int128
using namespace std;

inline ll read() {
    char ch = getchar();
    ll s = 0;
    bool w = 0;
    while (!isdigit(ch)) {
        if (ch == '-')w = 1;
        ch = getchar();
    }
    while (isdigit(ch))s = (s << 3) + (s << 1) + (ch ^ 48), ch = getchar();
    return w ? -s : s;
}

inline char rc() {
    char ch = getchar();
    while (1) {
        if (ch >= '!' && ch <= '~')return ch;
        ch = getchar();
    }
}

template<class T1, class T2>
T1 min(T1 AA, T2 BB) { return AA > BB ? BB : AA; }

template<class T1, class T2>
T1 max(T1 AA, T2 BB) { return AA < BB ? BB : AA; }

const int itinf = 1e9;
const ll llinf = 4e18;
const int mod = 1000000007;
const int N = 500009;

struct my_hash{
    auto operator()(const vector<int> &arr)const -> int{
        int hs = 0;
        for(int x : arr){
            hs *= 13337, hs += x;
        }
        return hs;
    }
};

int get_hash(vector<int> &arr){
    int hs = 0;
    for(int x : arr)hs *= 13337, hs += x;
    return hs;
}

int main() {
    int n = read(), m = read();
    vector<vector<int>>f(m);
    irep(i, 0, m - 1){
        irep(j, 0, n - 1){
            f[i].emplace_back(read() - 1);
        }
    }
    ll ans = 0;
    vector<vector<int>>state;
    unordered_set<int>st;
    auto dfs = [&](auto self, int cur) -> void{
        if(cur == m)
            return;
        int sz = state.size();
        irep(ii, 0, sz - 1){
            auto A = state[ii];

            vector<int>t(n);
            irep(i, 0, n - 1){
                t[i] = A[f[cur][i]];
            }
            int key = get_hash(t);
            if(! st.contains(key)){
                st.insert(key);
                state.emplace_back(t);
            }
        }
        int key = get_hash(f[cur]);
        if(! st.contains(key)){
            st.insert(key);
            state.emplace_back(f[cur]);
        }
        self(self, cur + 1);
        return;
    };
    dfs(dfs, 0);
    cout << st.size();
    return 0;
}
/*
 * 5 4
1 2 3 4 5
5 1 3 4 2
3 4 1 5 2
5 2 4 1 3
 */

源文件, 语言: C++20

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3512kb

input:

output:

result:

ok 1 number(s): "8"

Test #2:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

2 1
2 1

output:

result:

ok 1 number(s): "1"

Test #3:

score: 0

Accepted

time: 0ms

memory: 3800kb

input:

output:

result:

ok 1 number(s): "1"

Test #4:

score: 0

Accepted

time: 0ms

memory: 3600kb

input:

180 1
52 71 167 89 165 102 119 125 9 128 180 24 48 172 108 22 164 28 159 111 30 91 67 51 136 97 126 133 177 65 115 157 114 11 171 178 23 127 163 103 99 18 56 94 176 77 44 1 124 74 61 87 4 40 63 92 169 84 146 6 88 55 152 49 10 90 43 174 70 50 69 154 73 147 110 20 82 59 112 12 64 143 16 138 5 170 155 ...

output:

result:

ok 1 number(s): "1"

Test #5:

score: 0

Accepted

time: 0ms

memory: 3736kb

input:

output:

result:

ok 1 number(s): "2"

Test #6:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

90 2
43 44 28 69 66 18 5 23 87 8 24 89 31 29 81 1 68 2 78 53 49 54 4 13 77 61 33 57 63 85 55 79 46 35 45 64 65 42 30 6 19 74 82 80 17 26 32 59 7 72 16 3 47 73 39 36 25 34 56 86 71 62 84 40 41 11 50 27 20 14 37 12 38 58 48 83 76 70 51 88 22 90 21 9 10 60 15 52 75 67
9 73 52 51 81 16 71 77 6 57 11 75 ...

output:

result:

ok 1 number(s): "3"

Test #7:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

output:

result:

ok 1 number(s): "6"

Test #8:

score: 0

Accepted

time: 0ms

memory: 3604kb

input:

60 3
35 38 36 43 59 60 20 16 8 51 58 18 33 26 44 7 41 27 39 9 37 48 25 40 30 14 21 13 5 1 19 11 3 28 57 47 17 56 45 34 12 49 29 32 55 24 31 50 42 22 53 23 4 15 2 46 6 10 52 54
41 49 10 55 3 38 35 29 6 26 2 46 58 39 24 47 51 25 44 37 42 43 20 53 60 12 40 17 28 13 27 57 15 52 8 22 11 14 59 21 48 9 32 ...

output:

result:

ok 1 number(s): "7"

Test #9:

score: 0

Accepted

time: 0ms

memory: 3612kb

input:

output:

result:

ok 1 number(s): "24"

Test #10:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

45 4
44 38 33 27 25 17 35 4 22 41 15 3 10 16 21 28 23 19 34 37 2 32 43 12 6 31 29 9 45 18 11 30 13 26 42 5 39 40 8 24 14 1 7 20 36
28 43 12 34 21 7 20 26 13 1 25 4 44 32 11 15 33 18 14 5 6 42 45 36 9 35 2 30 38 10 41 27 17 23 19 8 29 16 3 37 40 31 39 22 24
5 22 23 43 36 33 29 39 44 9 35 34 7 42 8 11...

output:

result:

ok 1 number(s): "15"

Test #11:

score: 0

Accepted

time: 1ms

memory: 3720kb

input:

18 10
13 4 18 16 1 8 17 6 14 2 10 12 5 9 3 11 15 7
1 7 15 13 12 2 17 18 16 11 9 8 6 14 3 4 10 5
1 9 3 4 6 14 5 10 12 13 7 8 16 2 15 17 18 11
2 10 16 3 17 8 4 13 12 11 5 7 14 9 1 15 18 6
7 9 4 14 10 2 17 6 8 16 1 13 12 5 11 18 15 3
13 4 16 10 5 2 9 1 11 3 18 8 6 12 15 14 7 17
9 14 18 17 2 12 16 10 15...

output:

result:

ok 1 number(s): "1023"

Test #12:

score: -100

Wrong Answer

time: 67ms

memory: 31652kb

input:

10 18
9 6 4 8 3 7 10 1 2 5
10 9 8 3 5 6 1 2 7 4
8 2 5 4 9 3 1 7 6 10
10 5 2 8 1 6 4 7 9 3
2 3 5 4 10 9 6 8 7 1
6 7 8 10 5 3 4 1 9 2
10 6 4 2 1 5 3 8 9 7
6 8 9 1 2 4 5 3 7 10
7 6 3 1 5 9 2 10 4 8
10 5 7 4 9 1 2 6 3 8
5 4 6 9 3 7 8 1 2 10
5 9 8 2 7 1 3 10 6 4
5 2 10 3 7 1 4 6 9 8
1 10 2 6 5 7 8 9 3 4
...

output:

result:

wrong answer 1st numbers differ - expected: '252941', found: '252847'