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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
#619794#7900. Gifts from KnowledgeREN5511WA 39ms3792kbC++144.0kb2024-10-07 15:26:072024-10-07 15:26:08

Judging History

你现在查看的是最新测评结果

  • [2024-10-07 15:26:08]
  • 评测
  • 测评结果:WA
  • 用时:39ms
  • 内存:3792kb
  • [2024-10-07 15:26:07]
  • 提交

answer

#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
using namespace std;
typedef long long ll;
ll qpow(ll  x, ll  b,ll mod = 1e9 + 7)
{
    ll ans = 1,k = x;
    while (b != 0)
    {
        if (b & 1)ans = ans * k;
        ans %= mod;
        k = k * k;
        b = b / 2;
    }
    return ans;
}
int fa[1000000 + 100];
int find(int x) {
    if (fa[x] == x)return x;
    return fa[x] = find(fa[x]);
}
void merge(int a, int b) {
    fa[find(a)] = fa[find(b)];
}
int main()
{
    int t;
    cin >> t;
    while (t--) {
        int r, c;
        cin >> r >> c;
        vector<vector<int>>m(r + 1);
        vector<int>vis(c + 1, 0);
        for (int i = 0; i <= r+1; i++) {
            fa[i] = i;
        }
        int now = 0;
        for (int i = 1; i <= r; i++) {
            for (int j = 1; j <= c; j++) {
                char temp;
                cin >> temp;
                if (temp == '1') {
                    m[i].push_back(j);
                }
            }
        }
        int cnt = 0;
        for (int i = 1; i <= r; i++) {
            if (m[i].size() == 0) {
                cnt++;
            }
        }
        int bad = 0;
        for (int i = 1; i <= r; i++) {
            if (m[i].size() == 0)continue;
            int org=0,t=0;
            now++;
            for (auto v : m[i]) {
                if (vis[v] != 0) {
                    org = vis[v];
                    merge(vis[v], now);
                }
                //if (vis[v] != 0&&org==0) {
                //    org = vis[v];
                //}
                /*else if (vis[v] != org&&org!=0) {
                    vis[v] = org;
                }*/
            }
            for (auto v : m[i]) {
                if (vis[c - v + 1] != 0) {
                    t = vis[c - v + 1];
                    if (find(vis[c - v + 1]) == find(now) && t != 0) {
                        bad = 1;
                        break;
                    }
                    merge(vis[c - v + 1], now);
                }
                //if (vis[c - v + 1] != 0&&t==0) {
                //    t = vis[c - v + 1];
                //}
                /*else if (vis[c - v + 1] != t&&t!=0) {
                    vis[c - v + 1] = t;
                }*/
            }
            if (bad == 1)break;
            if (org == 0&&t==0) {
                for (auto v : m[i]) {
                    vis[v] = now;
                }
            }
            else if(t==0){
                //for (auto v : m[i]) {
                //    vis[v] = org;
                //}
                //merge(org, now);
                for (auto v : m[i]) {
                    vis[c - v + 1] = now;
                }
            }
            else if(org==0){
                //for (auto v : m[i]) {
                //    vis[v] = t;
                //}
                //merge(t, now);
                for (auto v : m[i]) {
                    vis[c - v + 1] = now;
                }
            }
            else {
                //merge(org, now);
                //merge(t, now);
                for (auto v : m[i]) {
                    if(vis[v]!=0){
                        vector<int>need;
                        for (int h = 0; h < vis.size(); h++) {
                            if (vis[h] == vis[v]) {
                                need.push_back(h);
                            }
                        }
                        for (auto h : need) {
                            swap(vis[h], vis[c - h + 1]);
                        }
                    }
                }
                for (auto v : m[i]) {
                    vis[v] = now;
                }
            }
        }
        set<int>ok;
        for (auto i : vis) {
            if(i!=0)
            ok.insert(find(i));
        }
        if (bad == 1) {
            cout << 0 << "\n";
        }
        else {
            cout << qpow(2, ok.size() + cnt) << "\n";
        }
    }
    return 0;
}

詳細信息

Test #1:

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

input:

3
3 5
01100
10001
00010
2 1
1
1
2 3
001
001

output:

4
0
2

result:

ok 3 number(s): "4 0 2"

Test #2:

score: 0
Accepted
time: 39ms
memory: 3608kb

input:

15613
10 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
15 8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
1 5
00000
5 9
000000000
000000000
0000...

output:

1024
32768
2
32
32768
128
32
16
16
2
16384
16384
128
128
32768
8192
128
64
16384
2
4
2
4096
16
4096
1024
32768
32768
16384
8
128
2
16
4096
8192
32768
8192
8192
16
16384
16384
256
128
8
256
8
4096
512
2
4
32
32
2
64
512
1024
32768
32768
2
64
16384
16
8192
16
256
16
64
8192
8192
64
1024
2
32768
2
4
51...

result:

ok 15613 numbers

Test #3:

score: -100
Wrong Answer
time: 37ms
memory: 3576kb

input:

15759
9 6
000000
000000
000000
000000
000000
000000
000000
000000
000000
5 15
010000000000000
000000000000000
000000000000000
000100000000000
000100000000000
14 12
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000...

output:

512
16
16384
512
1024
4096
32768
4
2
512
512
512
512
8
2
256
16
4096
512
64
16
4096
512
32
32768
8192
32
2048
128
16
4096
64
32768
256
32
16384
8
512
32
2048
8
16
1024
2048
128
64
32
8
512
8
8192
256
8192
32768
2
8
512
512
256
32
2
2048
8192
8
64
8
2
16384
32768
32768
1024
4096
16384
16384
128
256
4...

result:

wrong answer 2362nd numbers differ - expected: '0', found: '8192'