QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#574795#9319. Bull FarmEBeasonRE 1259ms75960kbC++204.1kb2024-09-19 00:38:332024-09-19 00:38:33

Judging History

This is the latest submission verdict.

  • [2024-09-19 00:38:33]
  • Judged
  • Verdict: RE
  • Time: 1259ms
  • Memory: 75960kb
  • [2024-09-19 00:38:33]
  • Submitted

answer

#include <bits/stdc++.h>

using namespace std;

#define rep(it, ff, ee) for (int it = (ff); it <= (ee); ++it)
#define per(it, ff, ee) for (int it = (ff); it >= (ee); --it)
#define SZ(_x_) ((int) _x_.size())
#define all(_x_) (_x_).begin(), (_x_).end()
#define int long long

using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using tiii = tuple<int, int, int>;
using vi = vector<int>;

const int MAXN = 2e3 + 10;
const int MaxN = 2e3 + 10;
const int INF = 1e9;

#define MUT

struct DSU {
	vector<int> fa, siz, sum, g;
    vector<pair<int, int>> tmp;
	DSU(int n) {
		fa.assign(n + 1, 0);
		siz.assign(n + 1, 1);
		sum.assign(n + 1, 0);
		g.assign(n + 1, 0);
		for (int i = 1; i <= n; i++) {
			fa[i] = i;
			sum[i] = i;
		}
	}
	// int find(int x) {
	// 	if (fa[x] == x) return x;
	// 	auto f = find(fa[x]);
	// 	g[x] += g[fa[x]];
	// 	return fa[x] = f;
	// }
    int find(int x) {
        if (fa[x] == x) return x;
        return find(fa[x]);
    }
	void hebin(int x, int y) {
		x = find(x);
		y = find(y);
		if (x == y) {
            tmp.emplace_back(-1, -1);
            return;
        }
		if (siz[x] < siz[y]) swap(x, y);
        tmp.emplace_back(x, y);
		fa[y] = x;
		siz[x] += siz[y];
		sum[x] += sum[y];
	}
    void undone() { //撤销
        auto [x, y] = tmp.back();
        tmp.pop_back();
        if (x == -1) return;
        fa[y] = y;
        siz[x] -= siz[y];
        sum[x] -= sum[y];
    }
	void move(int x, int y) { // x -> y
		auto fx = find(x), fy = find(y);
		if (fx == fy) return;
		fa[x] = fy;
		--siz[fx], ++siz[fy];
		sum[fx] -= x, sum[fy] += x;
	}
};

int N, L, Q;
int a[MAXN][MAXN], dis[MAXN][MAXN];
vector<pair<int, int>> G1[MaxN];
inline void Solve() {
	cin >> N >> L >> Q;
	DSU dsu(N);
	int NN = N;
	vector<int> ans(Q + 1);
	for (int i = 1; i <= N; i++) {
		G1[i].clear();
	}
	for	(int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			dis[i][j] = INF;
		}
	}
	for (int i = 1; i <= L; i++) {
		string s1;
		cin >> s1;
		for (int j = 0; j < 2 * N; j += 2) {
			a[i][j / 2 + 1] = (s1[j] - '0') * 50 + (s1[j + 1] - '0') % 50;
		}
	}
	

	for (int i = 1; i <= L; i++) {
		map<int, int> mp;
		for (int j = 1; j <= N; j++) {
			mp[a[i][j]]++;
		}
		if (mp.size() == N - 1) {
			int id = 0, maxn = 0;
			for (auto [x, y] : mp) {
				if (y == 2) {
					maxn = x;
				}
			}
			for (int j = 1; j <= N; j++) {
				if (mp[j] == 0) id = j;
			}
			for (int j = 1; j <= N; j++) {
				if (a[i][j] == maxn) {
					auto x = j, y = id;
					G1[x].emplace_back(y, i);
					// cerr << x << ' ';
					// cerr << y << endl;
				}
			}

		} else if (mp.size() == N) {
			for (int j = 1; j <= N; j++) {
				auto x = j, y = a[i][j];
				if (dsu.find(x) != dsu.find(y)) {
					G1[x].emplace_back(y, i);
					G1[y].emplace_back(x, i);
					dsu.hebin(x, y);
				}

				// cerr << x << ' ';
				// cerr << y << endl;
			}
		}
	}
	
	for (int s = 1; s <= N; s++) {
		vector<queue<int> > q(N + 1, queue<int>());
		q[0].emplace(s);
		vector<int> vis(N + 1);
		dis[s][s] = 0;
		for (int d = 0; d <= N; d++) {
			while (!q[d].empty()) {
				auto x = q[d].front(); q[d].pop();
				if (vis[x]) continue;
				vis[x] = 1;
				for (auto [y, w] : G1[x]) {
					if (max(dis[s][x], w) < dis[s][y]) {
						dis[s][y] = max(dis[s][x], w);
						if (!vis[y]) q[dis[s][y]].emplace(y);
					}
				}
			}

		}
	}


	// for (int i = 1; i <= N; i++) {
	// 	for (int j = 1; j <= N; j++) {
	// 		cerr << dis[i][j] << ' ';
	// 	}
	// 	cerr << endl;
	// }

	for (int i = 1; i <= Q; i++) {
		string s1;
		cin >> s1;
		int res[3];
		for (int j = 0; j < 6; j += 2) {
			res[j / 2] = (s1[j] - '0') * 50 + (s1[j + 1] - '0') % 50;
		}
		int x = res[0];
		int y = res[1];
		int z = res[2];
		int ans = dis[x][y];
		// cerr << ans << endl;
		cout << (ans <= z);
		
	}
	cout << endl;

}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
#ifdef MUT
	int T;
	cin >> T;
	while (T--)
#endif
		Solve();	
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5728kb

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: 5880kb

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: 59ms
memory: 5728kb

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: 528ms
memory: 46068kb

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: 1120ms
memory: 75664kb

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: 806ms
memory: 75504kb

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: 814ms
memory: 75516kb

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: 597ms
memory: 75728kb

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: 723ms
memory: 75936kb

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: 49ms
memory: 43848kb

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: 1029ms
memory: 75680kb

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: 1108ms
memory: 75960kb

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: 60ms
memory: 8072kb

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: 55ms
memory: 5688kb

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: 92ms
memory: 8556kb

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: 1259ms
memory: 75820kb

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: -100
Runtime Error

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:


result: