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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#566885#9319. Bull FarmevilboyTL 339ms75488kbC++204.4kb2024-09-16 02:54:422024-09-16 02:54:43

Judging History

你现在查看的是最新测评结果

  • [2024-09-16 02:54:43]
  • 评测
  • 测评结果:TL
  • 用时:339ms
  • 内存:75488kb
  • [2024-09-16 02:54:42]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 2010, M = 1000010;

int key[N][N];
void decrypt()
{
    for(int x = 1; x < N; x++)
        key[48 + x / 50][48 + x % 50] = key[48 + x / 50][48 + x % 50] ? key[48 + x / 50][48 + x % 50] : x;
}

int n, m, q;
int to[N][N];   // 操作
int p[N]; // 并查集缩点
vector<pair<int,int>> e;     // 存边
vector<int> edges[N];
bitset<N> f[N];
bool vis[N];
struct query    // 对询问离线
{
    int s, t, c, id;
    bool operator<(const query&Q)const
    {
        return c < Q.c;
    }
}que[M];

void read1(int i)
{
    string s;
    cin >> s;
    for(int j = 0; j < n * 2; j += 2)
        to[i][j / 2 + 1] = key[s[j]][s[j + 1]];
}
void read2(int i)
{
    string s;
    cin >> s;
    que[i].s = key[s[0]][s[1]];
    que[i].t = key[s[2]][s[3]];
    que[i].c = key[s[4]][s[5]];
    que[i].id = i;
}

int find(int x)
{
    if(x != p[x]) p[x] = find(p[x]);
    return p[x];
}

bitset<N> dp(int u)
{
    if(vis[u]) return f[u];
    vis[u] = true;
    f[u].reset();
    f[u][u] = 1;

    for(auto v: edges[u])
    {
        v = find(v);
        if(u == v) continue;
        f[u] |= dp(v);
    }
    return f[u];
}

void topsort()  // 再缩点
{
    vector<int> d(n + 1, 0), st(n + 1, 0);
    for(int i = 1; i <= n; i++)
        if(i == p[i])
            for(auto u: edges[i])
            {
                u = find(u);
                d[u] ++;
            }

    queue<int> q;
    for(int i = 1; i <= n; i++)
        if(i == p[i] && d[i] == 0)
            q.push(i);
    while(q.size())
    {
        int u = q.front();
        st[u] = 1;
        q.pop();
        for(auto v: edges[u])
        {
            v = find(v);
            if(!(--d[v])) q.push(v);
        }
    }

    for(int u = 1; u <= n; u++)
        for(auto v: edges[u])
        {
            u = find(u), v = find(v);
            if(!st[u] && !st[v] && u != v)
                p[v] = u;
        }
}

void build()    // 重新建图
{
    for(int i = 1; i <= n; i++)
    {
        vis[i] = false;
        edges[i].clear();
    }
    for(auto [u, v]: e)
    {
        u = find(u), v = find(v);
        if(u != v) edges[u].push_back(v);
    }
    topsort();
    for(int i = 1; i <= n; i++)
    {
        vis[i] = false;
        edges[i].clear();
    }
    for(auto [u, v]: e)
    {
        u = find(u), v = find(v);
        if(u != v) edges[u].push_back(v);
    }
    for(int i = 1; i <= n; i++)
        if(i == p[i])
            dp(i);
}

void modify(int k)  // 处理第 k 种操作
{
    vector<vector<int>> from(n + 1);
    for(int i = 1; i <= n; i++)
        from[to[k][i]].push_back(i);

    int flag = 0, empy = 0;
    for(int i = 1; i <= n; i++)
        if(from[i].size() > 2)
            return;
        else if(from[i].size() == 2)
        {
            if(flag) return;
            flag = i;
        }
        else if(from[i].size() == 0)
            empy = i;

    if(flag) // 两条边
    {
        for(auto u: from[flag])
            e.push_back({u, empy});
    }
    else // 若干个环
    {
        for(int i = 1; i <= n; i++)
        {
            int u = find(i), v = find(to[k][i]);
            if(u != v) p[u] = v;
        }
    }

    build();
}

void solve()
{
    cin >> n >> m >> q;
    for(int i = 1; i <= m; i++)
        read1(i);
    for(int i = 1; i <= q; i++)
        read2(i);

    e.clear();
    for(int i = 1; i <= n; i++)
    {
        f[i].reset();
        f[i][i] = 1;
    }
    for(int i = 1; i <= n; i++)
        p[i] = i;
    sort(que + 1, que + q + 1);
    vector<int> ans(q + 1);
    for(int i = 1, j = 1; i <= q; i++)
    {
        int s = que[i].s, t = que[i].t, c = que[i].c, id = que[i].id;
        while(j <= c) modify(j ++);
        s = find(s), t = find(t);
        ans[id] = f[s][t];
    }
    for(int i = 1; i <= q; i++)
        cout << ans[i];
    cout << '\n';
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    decrypt();
    
    int T = 1;
    cin >> T;
    while(T --)
        solve();
    
    return 0;
}

/*
2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

1011
0100
==========
1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

010101
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5816kb

input:

2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

output:

1011
0100

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 5908kb

input:

1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

output:

010101

result:

ok single line: '010101'

Test #3:

score: 0
Accepted
time: 73ms
memory: 10064kb

input:

200
10 10 5000
01060:04020305080709
0103070:060204050908
09070503080401060:02
050308010204090:0607
03010502040607080:09
03080109020504060:07
06050:09040302080107
07080305010409060:02
030809010:0204060507
0:060908070201050304
060700
090:03
09080:
070405
010703
0:0100
080601
030600
070206
0:0:09
08040...

output:

011110001101101111111111111111111101111111110111011110110110111011010111111111111111111101111111111110111111110111111111111101111111111110111111111111111111110001100111111111111111111111111011101111111111111111111111111111111111111111011011110100111110111111110111111100111111101110111111111101111110...

result:

ok 200 lines

Test #4:

score: 0
Accepted
time: 64ms
memory: 46580kb

input:

1
2000 1 1000000
M=:]A@8UAY7W2JJ4KEHIA[HSCQ1ENSC`JXR;F3PJ:_@41P9Z=9HR8P<<:DUXRR9^WOQFL?NZP6S@=J0^WE32=6;\U0?88]Q_RNPUMT6YU<4<S]H?:7OCQYOT4YAV1^764ENWSDBED>M7A:BI>KSIR48JQ9B=N\5T3N4A2aF0@>3TI81<G7;YE>W`NMP<:IT4CI3D0=GZC3I\CLQJQBA9BDIS9SAM55KaVA<Z@D=>:Y?CQHUQ5U3a6UVI8OKX9_FAF^7=5M85;<0;8YPAM<7Z7PP7A=N...

output:

000101000101100010001000000010010110000001000001001100000000010000100001000000101100000000010000001000000001110000010110100000111100100000001000000000011001010001000001001000100000000100011001100110010000010000101100000011111000000010000101010010000000010101000001010111100000100000000000000101000100...

result:

ok single line: '000101000101100010001000000010...0101000101000000000010101001000'

Test #5:

score: 0
Accepted
time: 292ms
memory: 74472kb

input:

1
2000 2000 1000000
FVAaH7GRPO;_11Da5J18@3SMG==\G8E8S^6:M4L0JH>MN5IXT>2<7WJ3U8LVJS=;;3F13>0D0>VOIIU@EPHG6ABL6;K?T1PXDERLG07]5C9^GDKG<SBMIW;`4W8P3=469TIPKH0O34523_J5C2MJ17D25Z@=K8H@M>WK<CMK7EO]BPD7B6AW741J5YIHIa1:ERSG>L3N2^F3<4F`DLE@2AA5=8GZK6:192FB736[WMV7:^DA2C:<LK040VJBM3M]WXU50`407TR_?PLF@5VL7OSL...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #6:

score: 0
Accepted
time: 339ms
memory: 74564kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000...

result:

ok single line: '000000000000000000000000000000...0000000000000000000000000000000'

Test #7:

score: 0
Accepted
time: 339ms
memory: 74540kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

010001100010000000101000000110010001001010101100100100000001000000101010100010000001011111010000000001001000010101011111001010101010100100010001011011000010010100110110000100010110101110000011111101100110010100100101010000100100101110100000000101100010100111000011001110100010001010000101111001101000...

result:

ok single line: '010001100010000000101000000110...1010101000010010101000100000111'

Test #8:

score: 0
Accepted
time: 301ms
memory: 74888kb

input:

1
2000 2000 1000000
0102030405060708090:0;0<0=0>0?0@0A0B0C0D0E0F0G0H0I0J0K0L0M0N0O0P0Q0R0S0T0U0V0W0X0Y0Z0[0\0]0^0_0`0a101112131415161718191:1;1<1=1>1?1@1A1B1C1D1E1F1G1H1I1J1K1L1M1N1O1P1Q1R1S1T1U1V1W1X1Y1Z1[1\1]1^1_1`1a202122232425262728292:2;2<2=2>2?2@2A2B2C2D2E2F2G2H2I2J2K2L2M2N2O2P2Q2R2S2T2U2V2W2X...

output:

011010100000000000000000001000001100000110000000100001010000000000000010001000000100000000000000000000100000100000000001100000100011010000000000000000000000000010000001000000010001100010000100000001000000000010000000000000001000010100000000001000000000000000000000001100010000000000000101000000101010...

result:

ok single line: '011010100000000000000000001000...0000000000000100000010010000100'

Test #9:

score: 0
Accepted
time: 100ms
memory: 75488kb

input:

1
2000 2000 1000000
1REKN]@]>9D9177?6E8DU65LCS>X3Z4KJ47@?R43H8C2ADQ<T[GGCZI]CO4SCDNAVCE534S1;0LV<:F[R`A[=89FL^BYGU7F:NBDD2F3SYLQS[O407E\V>>;EOTL=W8VAYMRO[KHRZ7^F6?:<G4R9O3AVG1\1OER1MKNMG01R?=;SWMP28:X>2=GLC1LSU<VMKQ5?KQAS^4QDTC07TK=R01WL@6596@D5IKT?YG?HaQPP:<12ZUF?GARFKJXC`NFIaJ;SXC:80V1Q@Q;FJV]3XSJ...

output:

111101100101100100000000101000110011010001100000001001101000001000010101010010100111100010100110000001000000011101001010110000101000111000010011110100010101100101011111000010000001100001000011010001101000000010100011000110101001100010111010110011001101110010001110110101000000110111010100001000011001...

result:

ok single line: '111101100101100100000000101000...1100010101000011110011110111100'

Test #10:

score: 0
Accepted
time: 106ms
memory: 74692kb

input:

1
1 2000 1000000
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
0...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #11:

score: 0
Accepted
time: 264ms
memory: 74696kb

input:

1
2000 2000 1000000
1ILZ2@SO4;BPWLFN@6HMAVQ]NNKR2NU30EP@3WF73^1BSKIP:VS7KQA>T\T63TAAK]8a4@7F0LD3V4LRN?M105L@>A<5D@S=MI9G9O<7<UQaF61VK;EQBEG`F8DOJ?L67;CL=@Q_IAPU2TP:43=O42I85UC\2L18KKP5MSFX73;\PFCQ:IB9?M<:FI?;N1I1>362O:;:1WQ6=Q7T=RW\WJMTQJ40U6JU>_@H:H6K0Y?[>H@K6@5AG]OEUEH>3G5C@OJ1E8O0CaO68??>A\C`:F8T...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #12:

score: 0
Accepted
time: 288ms
memory: 75456kb

input:

1
2000 2000 1000000
=H=4F4S`A?@V<E8]HBU>190VP7EDDC6EH3P4CP6K2Z3OP@LI<7H`OM:F:=FOH9BW=<1ZGIK^7P0<9RK73Z1EFKO5QC5L25TCV`HT3D@RQ_2GE<SK;_D^0;>FSL5X9_Q0L\L7TW@_ULQE0Z;MG1O:3>F<MX=:V];@=1A@;^V^E\;F:[8S@SFY340R=@Wa8NSMS[UC5KV6JNV3EA<80_;a>`2:>A28OI=EL2?aTDL3WRNY4H8R2aIY14DAHJ>6UIEOS_?=AF6];\BK3]?<TYU5=`3^...

output:

111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

result:

ok single line: '111111111111111111111111111111...1111111111111111111111111111111'

Test #13:

score: 0
Accepted
time: 89ms
memory: 6240kb

input:

200
10 10 5000
08060705040203010:09
0201090:080706050304
0201050903080:060407
0305010:020706090804
030901080:0706040205
0509070:010803060204
0:060709080203050401
0309010806050:040207
020106090703050:0408
0603020908010:050407
020700
080907
020305
070407
050509
080502
010100
020206
050809
0:0807
02040...

output:

011111111111111111101111111111111111111111111111101011111011111110111010111111111111110111111111111111111011101111111111111010110011011111111111111111011001110110101111110100111101111101101111011111111111111111111110011111110011111110111111101111111110111100111111111111111111111111111111111101011111...

result:

ok 200 lines

Test #14:

score: -100
Time Limit Exceeded

input:

400
5 5 2500
0405020501
0404050302
0105050105
0304010205
0402030205
040200
010203
040203
030503
050201
010502
010505
030304
020504
050503
050105
030101
020403
030403
030200
010500
050500
030403
050101
040205
030501
010503
050400
030505
040303
050101
020101
050502
020104
050101
040503
010205
050404
0...

output:

000000010100000010010000100110000010010000100000100110011000100110101000010000010010010111000000011000001000000010000011010000000110000110010100101011010010110100011000000010011010110000100110111000000101001010010100010000111101011010111101001100000011100001000000000000111000000001100010001100010000...

result: