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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#581395 | #9319. Bull Farm | MYdinosaur | WA | 472ms | 58864kb | C++14 | 7.1kb | 2024-09-22 12:30:17 | 2024-09-22 12:30:21 |
Judging History
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();
as[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]);
as[j] |= as[fa[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 = find(cl[j]), h2 = find(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;
if (!pd[h1][h2]) v[h1].push_back(h2), pd[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
*/
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 8116kb
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: 7896kb
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: 151ms
memory: 6184kb
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: 136ms
memory: 24548kb
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: 463ms
memory: 58728kb
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: 422ms
memory: 57112kb
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: 422ms
memory: 57452kb
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: 380ms
memory: 56772kb
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: 425ms
memory: 56828kb
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: 147ms
memory: 26764kb
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: 472ms
memory: 58864kb
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: 441ms
memory: 58844kb
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: 139ms
memory: 6296kb
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: 145ms
memory: 6568kb
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 71st lines differ - expected: '111111110010010111001000001000...1000110001100010000100101001110', found: '111111110010010111001000001000...1000110001100010000100101001110'