QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#572175 | #9319. Bull Farm | AHU_Duck | WA | 207ms | 38988kb | C++17 | 4.9kb | 2024-09-18 12:47:52 | 2024-09-18 12:47:52 |
Judging History
answer
#include<bits/stdc++.h>
#define ri int
#define N 2050
#define LL long long
using namespace std;
using ull = unsigned long long;
int T, n, l, q, p[N][N], cnt[N], bad[N];
char s[N * 2];
bool ans[1000050];
int trans(char a, char b) {
a -= 48; b -= 48;
return a * 50 + b;
}
struct query {
int a, b, id;
};
vector<query> Q[N];
struct bs {
static unsigned int x;
ull b[35];
void set(const unsigned int x, const bool s) {
if (s) {
b[x / 64] |= (1ull << (x % 64));
}
else {
ull U = 18446744073709551615ull;
U -= (1ull << (x % 64));
b[x / 64] &= U;
}
}
void clear() {
for (size_t i = 0; i <= x; ++i) b[i] = 0;
}
void oreq(const bs& rhs) {
for (size_t i = 0; i <= x; ++i) b[i] = b[i] | rhs.b[i];
}
bool vis(const unsigned int x) {
if (b[x / 64] & (1ull << (x % 64))) return 1; else return 0;
}
};
unsigned int bs::x;
struct Graph {
int dfn[N], low[N];
int bel[N], ins[N], ru[N], clock;
vector<int> to1[N], to2[N], vec;
bs f[N];
stack<int> s;
void first_init() {
for (ri i = 1; i <= n; i++) {
to2[i].clear();
ins[i] = ru[i] = dfn[i] = low[i] = 0;
}
vec.clear();
for (ri i = 1; i <= n; i++) vec.push_back(i);
for (ri i = 1; i <= n; i++) bel[i] = i;
}
int findroot(int x) {
if (bel[x] == x) return x;
return bel[x] = findroot(bel[x]);
}
void add_edge(int a, int b) {
if (bel[a] != bel[b]) to2[bel[a]].push_back(bel[b]);
}
void tarjan(int x) {
low[x] = dfn[x] = ++clock;
s.push(x);
ins[x] = 1;
int i, l = to1[x].size(), t;
for (i = 0; i < l; i++) {
if (ins[to1[x][i]]) low[x] = min(low[x], dfn[to1[x][i]]);
else {
if (dfn[to1[x][i]] == 0) {
tarjan(to1[x][i]);
low[x] = min(low[x], low[to1[x][i]]);
}
}
}
if (dfn[x] == low[x]) {
do {
t = s.top();
bel[t] = x;
ins[t] = false;
s.pop();
if (t == x) break;
} while (1);
}
return;
}
void dp(int x) {
for (auto it = to2[x].begin(); it != to2[x].end(); it++) {
int y = *it;
dp(y);
f[x].oreq(f[y]);
}
}
void init() {
for (auto it = vec.begin(); it != vec.end(); it++) {
ins[*it] = dfn[*it] = low[*it] = 0;
sort(to2[*it].begin(), to2[*it].end());
to2[*it].resize(unique(to2[*it].begin(), to2[*it].end()) - to2[*it].begin());
to1[*it] = to2[*it];
to2[*it].resize(0);
}
clock = 0; while (!s.empty()) s.pop();
for (auto it = vec.begin(); it != vec.end(); it++) if (!dfn[*it]) tarjan(*it);
for (ri i = 1; i <= n; i++) bel[i] = findroot(i);
vector<int> vec2; vec2.clear();
for (auto it = vec.begin(); it != vec.end(); it++) if (*it == bel[*it]) vec2.push_back(*it);
swap(vec, vec2);
bs::x = vec2.size() / 64 + 1;
for (auto it = vec.begin(); it != vec.end(); it++) f[*it].clear(), ru[*it] = 0;
for (auto it = vec2.begin(); it != vec2.end(); it++) f[bel[*it]].set(*it, 1);
for (auto it = vec2.begin(); it != vec2.end(); it++) {
for (auto it2 = to1[*it].begin(); it2 != to1[*it].end(); ++it2) if (bel[*it] != bel[*it2]) {
to2[bel[*it]].push_back(bel[*it2]);
ru[bel[*it2]]++;
}
}
for (auto it = vec.begin(); it != vec.end(); it++) {
sort(to2[*it].begin(), to2[*it].end());
to2[*it].resize(unique(to2[*it].begin(), to2[*it].end()) - to2[*it].begin());
}
for (auto it = vec.begin(); it != vec.end(); it++) if (!ru[*it]) dp(*it);
}
} G;
int main() {
scanf("%d", &T);
while (T--) {
scanf("%d%d%d", &n, &l, &q);
for (ri i = 1; i <= l; i++) bad[i] = 0;
for (ri i = 1; i <= q; i++) ans[i] = 0;
for (ri i = 1; i <= n; i++) cnt[i] = 0;
for (ri i = 1; i <= l; i++) {
scanf("%s", s + 1);
for (ri j = 1, cc = 0; j <= 2 * n; j += 2) {
p[i][++cc] = trans(s[j], s[j + 1]);
}
for (ri j = 1; j <= n; j++) cnt[j] = 0;
for (ri j = 1; j <= n; j++) cnt[p[i][j]]++;
int cc = 0;
for (ri j = 1; j <= n; j++) {
if (cnt[j] > 2) bad[i] = 1;
else if (cnt[j] == 2) cc++;
}
if (cc >= 2) bad[i] = 1;
else if (cc == 1) {
int x = -1, y = -1;
for (ri j = 1; j <= n; j++) if (cnt[p[i][j]] == 2) {
if (x == -1) x = j; else y = j;
}
else {
p[i][j] = -1;
}
int wu;
for (ri j = 1; j <= n; j++) if (cnt[j] == 0) wu = j;
p[i][x] = wu; p[i][y] = wu;
}
}
for (ri i = 0; i <= l; i++) Q[i].clear();
for (ri i = 1; i <= q; i++) {
scanf("%s", s + 1);
int qa = trans(s[1], s[2]);
int qb = trans(s[3], s[4]);
int qc = trans(s[5], s[6]);
Q[qc].push_back((query){qa, qb, i});
}
G.first_init();
for (ri i = 0, first = 1; i <= l; i++) {
if (i && !bad[i]) {
for (ri t = 1; t <= n; t++) if (t != p[i][t] && p[i][t] != -1) G.add_edge(t, p[i][t]);
G.init();
first = 0;
}
for (auto it = Q[i].begin(); it != Q[i].end(); ++it) {
if (first) ans[it->id] = (it->a == it->b); else ans[it->id] = G.f[G.bel[it->a]].vis(G.bel[it->b]);
}
}
for (ri i = 1; i <= q; i++) printf("%d", ans[i]);
puts("");
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 6056kb
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: 6356kb
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: 80ms
memory: 6136kb
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: 80ms
memory: 16852kb
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: 128ms
memory: 38152kb
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: 170ms
memory: 34400kb
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: 172ms
memory: 34348kb
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: 207ms
memory: 38988kb
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: 112ms
memory: 32992kb
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: 93ms
memory: 37696kb
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: 120ms
memory: 38288kb
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: 115ms
memory: 38592kb
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: 81ms
memory: 6132kb
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: 0
Accepted
time: 75ms
memory: 6016kb
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:
ok 400 lines
Test #15:
score: 0
Accepted
time: 76ms
memory: 8868kb
input:
20 100 100 50000 1C0=0Z1Y1A1V0U1]0M0\1:0H0a0F1J141B120T06031S1F05151H0`1Q0]0^0R0A1W0E0J1X1a0G0?1@1=0S1<0O1_0X04011N1D090D0:0L0V1^0Q0[190B071G0P0217081M0N0Y1I0@1T1O1E1[0>0I1\1>1U1L1?200_131K0Z0W181;1R0K0<1P0C1011161`0; 1K0E0@1a0Y0K1V1\0403121L0a0R0D1H1Z0[0Z0S200<1I1A0W1B0?1N1W1C0P0N0Q150C080`100_0516...
output:
001101110111011111111101110111111111110111111111111111011111111111111111111111111011111111111111110111011111111111111111110111111111011111111111110111111111111111111111111111111111111111111111011011111111101011111111111111111111011110111110111111111111011111111111101101111101111111111111111111111111...
result:
ok 20 lines
Test #16:
score: 0
Accepted
time: 124ms
memory: 38528kb
input:
1 2000 2000 1000000 W^P_@WECKD6O6H9X@FS00U721QG\HE7GB4@`VV9Z52AC3OWC?MU[:2K1C?J\AFMA;OHXC_4B:PUa>:8[3\O^G4P2UAIaTEH4JCW<;CMC4CKMQL=335<42`EZ1^Ja?F2NN`=BE87959S?PCD7T]HNUKMXDR28T75OAIQ0G7>Y:<CDA\<<S`8I92T>EXBWO<40B9RE9NG>:[@LLE;Y253J1N9B>5<X@3RQ;<8W42;5CE11<M14>JBUL:@BJA5WR\RJ09QA;:F]QC8H@\3WM]:>>WPF...
output:
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
result:
ok single line: '111111111111111111111111111111...1111111111111111111111111111111'
Test #17:
score: 0
Accepted
time: 84ms
memory: 38284kb
input:
1 20 2000 1000000 020;0C070804090@080B050:0?0A0>01060D0=0< 0>0=010<060;05070D03080:020=04090@0A0?0C 090206010B0;050@030C0D0<0=040?080A070?0: 060A0?0D070502090=0B030;04080C0@0:0B0<0> 0B0@0A070?0:0209080;0=040<060>0203050D0C 0C09040B02030>0?0@0<070=01080=060D050:0; 030=0?080A0A0B060:0D040>02010@050907...
output:
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111110111111111111111111111111111111111111111111111101...
result:
ok single line: '111111111111111111111111111111...1111111111111111111111111111111'
Test #18:
score: 0
Accepted
time: 85ms
memory: 37580kb
input:
1 40 2000 1000000 0R0G06040F0:080D0S0P050U0E0?0A0>0A070C0K0O0@0N0M0X0V0;090J0B0L0H010=0T0I030Q0W02 0K0E0I080M0Q0L0>0T0V0?0P070=0D020:0R0@0>09060X050G040O0U0J0H0S0<010F0W0N0A0B030C 0>0K0G0<0F0J0=0E0C0?0P030H0X0@0;0I0U0O0:0T0Q080S0A0N060D020H070M0B0V090L0504010W 0X0M0A050H0C0V070<0K0K0E0I0B0@0N0R040?0...
output:
111111111111111111111111111111111111111111111111111011111111111111101111111110111111111110111111111111111111111111111101111111111111111111111111111101111111111111111111111101111111111111111111101111111110111111111111111111110111111111111111111011111111111111111111111111111111111111111111111111111111...
result:
ok single line: '111111111111111111111111111111...1111111111111111111011111110111'
Test #19:
score: -100
Wrong Answer
time: 109ms
memory: 37504kb
input:
1 300 2000 1000000 5H2;4H4G2I5E4Y115a0;4C3W4^424S4?401S105`5<5[0N3U3M3<1F1C332a1a0H4a5Y061O5K352P5^0B5A1X4F4B140>3J28412<383?0P300I2K5J5B2Q4\3T2T4X2U4U0@3Y3^0G600O3X5P3Q1N0?375M080D3I5=5F1R562G2@392^4_2:073>0a3L513E5S4:24482E0V4`4Z3O3F2S3D5:2Y594@4J135L0M1=1Z4W1W1B2?0J4N0A1?5I3C3B0529541E1;0Y0W532_2...
output:
101110011011111001110111111110101111111011111111111001111111111111001101111111111111110111111111111111111100111110111111001111111111111111111111111111110111111111011110111111111111111111101011101111111101111111111111111111111011000111011011111111111111101101111111010101101111011111111011111110111011...
result:
wrong answer 1st lines differ - expected: '101110011011111001110111111110...1001111111111011111111110100111', found: '101110011011111001110111111110...1001111111111011111111110100111'