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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#886577#10067. CheeseAdamGS#0 1ms73440kbC++231.2kb2025-02-07 09:33:532025-02-07 09:33:54

Judging History

This is the latest submission verdict.

  • [2025-02-07 09:33:54]
  • Judged
  • Verdict: 0
  • Time: 1ms
  • Memory: 73440kb
  • [2025-02-07 09:33:53]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=5e5+7, LG=35;
pair<ll,ll>F[LG][LIM];
ll mod(ll x, ll k) {
	x%=k;
	return ((x%k)+k)%k;
}
pair<ll,ll>fnd(ll k, ll x) {
	if(F[k][x].st==x) return {x, 0};
	pair<ll,ll>p=fnd(k, F[k][x].st);
	F[k][x]={p.st, p.nd+F[k][x].nd};
	return F[k][x];
}
bool chk(ll a, ll b, ll c, ll k) {
	pair<ll,ll>x=fnd(k, a), y=fnd(k, b);
	if(x.st!=y.st) return true;
	return mod(-x.nd+y.nd+c, 1ll<<(k+1))==0;
}
void uni(ll a, ll b, ll c, ll k) {
	pair<ll,ll>x=fnd(k, a), y=fnd(k, b);
	if(x.st==y.st) return;
	ll z=mod(-x.st+y.st+c, 1ll<<(k+1));
	F[k][x.st]={y.st, z};
}
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int n, m;
	cin >> n >> m;
	rep(i, LG) rep(j, n) F[i][j]={j, 0};
	while(m--) {
		ll i, j, a, b;
		cin >> i >> j >> a >> b; --i; --j;
		ll k=0;
		while(k+1<LG && (1ll<<k)!=b) ++k;
		if(b!=-1) a+=1ll<<k;
		bool ok=true;
		rep(p, k) if(!chk(i, j, a, p)) ok=false;
		if(!ok) {
			cout << 0 << '\n';
			continue;
		}
		cout << 1 << '\n';
		rep(p, k) uni(i, j, a, p);
	}
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 73312kb

input:

10 10
5 3 0 4
6 8 1 4
9 2 0 128
7 8 6 4096
9 6 7 256
2 5 1 8
10 6 7 128
9 1 9 32
9 3 2 2
9 3 1 256

output:

1
1
1
1
1
1
1
1
1
0

result:

wrong answer 9th lines differ - expected: '0', found: '1'

Subtask #2:

score: 0
Wrong Answer

Test #7:

score: 0
Wrong Answer
time: 0ms
memory: 73316kb

input:

2 3
2 1 1 2
2 1 1 2
2 1 9 2

output:

1
0
0

result:

wrong answer 2nd lines differ - expected: '1', found: '0'

Subtask #3:

score: 0
Wrong Answer

Test #15:

score: 0
Wrong Answer
time: 1ms
memory: 73440kb

input:

10 100
7 3 27490 -1
4 3 12572 -1
10 2 26036 -1
7 1 21174 -1
7 10 576 -1
4 3 12572 -1
7 6 798 -1
6 8 20930 -1
7 8 14464 -1
6 4 20671 -1
4 3 12572 -1
4 2 11764 -1
1 3 6316 -1
1 8 16743 -1
9 3 6305 -1
10 9 20609 -1
1 8 554 -1
6 4 13117 -1
1 8 20767 -1
7 6 798 -1
10 6 222 -1
4 3 12572 -1
5 4 11211 -1
7 ...

output:

1
1
1
1
1
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

result:

wrong answer 6th lines differ - expected: '1', found: '0'

Subtask #4:

score: 0
Wrong Answer

Test #23:

score: 0
Wrong Answer
time: 0ms
memory: 73308kb

input:

10 10
4 9 5 8
10 7 4894 8192
4 3 10 32
4 5 14 32
5 3 6972 32768
2 5 173 1024
4 5 1134 -1
6 9 22 64
8 3 307 512
1 5 16 64

output:

1
1
1
1
0
1
0
1
1
1

result:

wrong answer 5th lines differ - expected: '1', found: '0'

Subtask #5:

score: 0
Wrong Answer

Test #27:

score: 0
Wrong Answer
time: 0ms
memory: 73268kb

input:

3 500
1 2 12 32
1 3 7 32
1 3 6 32
1 2 40 2
3 2 69 32
3 2 5 16
1 3 7 16
1 2 4 8
3 2 5 16
1 2 13 4
1 2 0 4
3 2 5 32
1 2 12 16
1 2 12 32
1 3 99 2
3 2 5 32
1 2 4 8
1 2 60 32
1 2 12 32
1 3 40 4
1 2 4 8
1 2 4 8
3 2 5 32
1 3 91 4
1 3 96 2
1 3 3 4
3 2 5 8
1 2 11 32
3 2 1 2
3 2 61 32
1 3 7 8
1 2 76 16
1 3 22...

output:

1
1
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
...

result:

wrong answer 4th lines differ - expected: '1', found: '0'

Subtask #6:

score: 0
Memory Limit Exceeded

Test #35:

score: 0
Memory Limit Exceeded

input:

500000 500000
14167 287469 6 512
104859 279213 2 2048
230903 352549 2 16384
20412 206001 2 64
31177 491167 4 16384
374670 2710 7 1024
463688 378992 3 2048
239144 207425 4 16384
407488 243971 0 2
278719 34617 9 256
155441 483962 1 16
263008 53859 0 8192
397627 240244 4 8
387592 488780 2 16384
224109 ...

output:

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
...

result: