QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#581363#9319. Bull FarmMYdinosaurWA 421ms58944kbC++147.0kb2024-09-22 12:18:072024-09-22 12:18:08

Judging History

你现在查看的是最新测评结果

  • [2024-09-22 12:18:08]
  • 评测
  • 测评结果:WA
  • 用时:421ms
  • 内存:58944kb
  • [2024-09-22 12:18:07]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
const int N = 2005, M = 1e6 + 10;
int n, l, qu, cnt = 0, tot = 0;
vector <int> re[N], v[N], vg[N];
vector <pair <int, int> > jb[N];
int vis[N], b[N], dfn[N], low[N], fa[N], tp[N], Ans[M], cl[N];
bitset <N> as[N], pd[N], fg[N];
struct node{
    int a, b, v;
}qe[M];
stack <int> q;
queue <int> qh;

inline void read(int &x)
{
    char c = getchar();
    int w = 1;
    x = 0;
    while (!isdigit(c))
    {
        if (c == '-') w = -1;
        c = getchar();
    }
    while (isdigit(c))
    {
        x = x * 10 + (c ^ 48);
        c = getchar();   
    }
    x = x * w;
}

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

void prepare()
{
    for (int i = 1; i <= n; i++) 
    {
        jb[i].clear();
        vg[i].clear();
        v[i].clear();
        pd[i].reset();
        re[i].clear();
        fg[i].reset();
    }
    // for (int i = 1; i <= n; i++) pd[i].reset();
    read(n); read(l); read(qu);
    for (int ii = 1; ii <= l; ii++)
    {
        string s;
        cin >> s;
        
        for (int i = 1; i <= n; i++) 
        {
            vis[i] = b[i] = 0;
        }
        
        for (int i = 0; i < 2 * n; i += 2)
        {
            int x = (s[i] - '0') * 50 + (s[i + 1] - '0');
            int t = i / 2 + 1;
            vis[x] ++;
            b[t] = x;
            // re[i].push_back(x);
        }
        int p1 = 0, p2 = 0, multi = 0, zero = 0;
        for (int i = 1; i <= n; i++)
        {
            if (vis[i] > 1)
            {
                p1 += vis[i] - 1;
                multi = i;
            }
            if (vis[i] == 0) 
            {
                p2++;
                zero = i;
            }
            if (p1 > 1 || p2 > 1) break;
        }
        // cout <<ii << "    " << p1 << " " << p2 << endl;
        if (p1 > 1 || p2 > 1) continue;
        for (int i = 1; i <= n; i++)
        {
            if (p1 == 0) jb[ii].push_back({i, b[i]});
            else 
            {
                if (vis[b[i]] == 2) jb[ii].push_back({i, zero});
            }
        }
        // if (p2) jb[ii].push_back({multi, zero});
    }
    for (int i = 1; i <= qu; i++)
    {
        Ans[i] = 0;
        string s;
        cin >> s;
        qe[i].a = (s[0] - '0') * 50 + (s[1] - '0');
        qe[i].b = (s[2] - '0') * 50 + (s[3] - '0');
        qe[i].v = (s[4] - '0') * 50 + (s[5] - '0');
        re[qe[i].v].push_back(i);
        // cout << "   " << i << " " << qe[i].a << " " << qe[i].b << " " << qe[i].v << endl;
        if (qe[i].a == qe[i].b) Ans[i] = 1;
        else Ans[i] = 0;
    }
    // cout << "!!" << endl;

}

void dfs(int x)
{
    cnt++;
    low[x] = dfn[x] = cnt;
    q.push(x);
    for (int i = 0; i < v[x].size(); i++)
    {
        int y = v[x][i];
        // cout << x << " ^^  " << y << " " << endl;
        if (!dfn[y])
        {
            dfs(y);
            low[x] = min(low[x], low[y]);
        }
        else if (!cl[y]) low[x] = min(low[x], dfn[y]);
    }
    // cout << "   " << x <<  " " << low[x] << " " << dfn[x] << endl;
    if (low[x] == dfn[x])
    {
        tot++;
        // cout << "tarjan   " << x << " " << tot << " :" << endl;
        while (!q.empty())
        {
            int t = q.top();
            q.pop();
            cl[t] = x;
            // cout << "!!  " <<  t << endl;
            if (t == x) break;
        }
    }
}

void perform()
{
    for (int i = 1; i <= n; i++) fa[i] = i;
    for (int i = 1; i <= l; i++)
    {   
        // cout << i << "  : " << endl;
        for (int j = 0; j < jb[i].size(); j++)
        {
            int x = find(jb[i][j].first), y = find(jb[i][j].second);
            if (x == y) continue;
            if (!pd[x][y]) v[x].push_back(y), pd[x][y] = true;
            // cout << "jb  " << x << " " << y << endl;
        }
        for (int j = 1; j <= n; j++)
        {
            dfn[j] = low[j] = 0;
            tp[j] = cl[j] = 0;
        }
        tot = 0;
        cnt = 0;
        while (!qh.empty()) qh.pop();
        while (!q.empty()) q.pop();
        for (int j = 1; j <= n; j++)
        {

            if (!dfn[j]) dfs(j);
        }        
        for (int j = 1; j <= n; j++)
        {
            // as[j].reset();
            fg[j].reset();
            as[j][j] = 1;
            if (tp[j] == 0) qh.push(j);
            vg[j].clear();
        }
        // cout << " !!" << endl; 
        // cout << endl;
        // cout << i << " :  " << endl;
        for (int j = 1; j <= n; j++)
        {
            fa[j] = find(cl[j]);
            // if (i == 4 )cout << j << " " << fa[j]  << " " << cl[j]<< " " << endl;
            for (int k = 0; k < v[j].size(); k++)
            {
                int y = v[j][k];
                int h1 = cl[j], h2 = cl[y];
                if (h1 == h2) continue;
                // if (i == 4 ) cout << "  jb  " << j << " " << y << " " << h1 << " " << h2 << endl;
                if (!fg[h1][h2]) vg[h1].push_back(h2), fg[h1][h2] = true;
                tp[h2]++;
            }
        }
        int df = 0;
        while (!qh.empty())
        {
            int x = qh.front();
            qh.pop();
            // df++;
            // if (df > n * 2) break;
            for (int j = 0; j < vg[x].size(); j++)
            {
                int y = vg[x][j];

                tp[y]--;
                as[y] |= as[x];
                if (tp[y] == 0) qh.push(y);
            }
        }
        // cout << i << "   ***" << endl;
        // for (int j = 1; j <= n; j++)
        // {
        //     for (int k = 1; k <= n; k++)
        //     {
        //         cout << "As  " << i << " " << j << " " << k << " " << as[k][j] << endl;
        //     }
        // }
        for (int j = 0; j < re[i].size(); j++)
        {
            int x = re[i][j];
            
            int t1 = find(qe[x].a), t2 = find(qe[x].b);
            // cout << j << "  ??  " << t1 << " " << t2 << " " << x << endl;
            if (as[t2][t1] ||t2 == t1) Ans[x] = 1;
            else Ans[x] = 0; 
        }
    }
}


int main()
{
    
    int T;
    read(T);
    while (T > 0)
    {
        T--;
        prepare();
        perform();
        for (int i = 1; i <= qu; i++)
        {
            cout << Ans[i];
        }
        cout << endl;
    }
    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


1
8 11 15
0703040502060802
0502060308010404
0202020204050602
0202040703050201
0706020504030801
0402050607070103
0303050206040708
0406050707010203
0403020108060507
0303020607080501
0705030402060801
020401
030507
060204
080506
020704
050806
070809
040503
070405
060802
080308
040506
050103
060104
060705
 


*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 7776kb

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: 0ms
memory: 5868kb

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: 146ms
memory: 8348kb

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: 145ms
memory: 24756kb

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: 421ms
memory: 58548kb

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: 377ms
memory: 57184kb

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: 387ms
memory: 57472kb

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: 326ms
memory: 56896kb

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: 348ms
memory: 56716kb

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: 159ms
memory: 26696kb

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: 410ms
memory: 58944kb

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: 418ms
memory: 58788kb

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: 153ms
memory: 6204kb

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
Wrong Answer
time: 149ms
memory: 6500kb

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:

wrong answer 2nd lines differ - expected: '101100000001011101100010000100...1000001101000100110000000010000', found: '101100001001011101110010001101...1100011101000100110000000010100'