QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#326630 | #1411. Communication Jamming | tuanlinh123 | 0 | 4ms | 14128kb | C++20 | 3.5kb | 2024-02-13 17:03:47 | 2024-02-13 17:03:47 |
Judging History
answer
#include<bits/stdc++.h>
#define ll int
#define pll pair<ll, ll>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ld long double
using namespace std;
const ll maxn=200005;
ll n, to[maxn], pa[maxn], Rank[maxn], l[maxn], r[maxn];
ll l1[maxn], r1[maxn], l2[maxn], r2[maxn];
ll X1[maxn], Y1[maxn], X2[maxn], Y2[maxn];
vector <ll> A1[maxn], A2[maxn], H1[maxn], H2[maxn];
ll Find(ll i)
{
if (pa[i]!=i)
pa[i]=Find(pa[i]);
return pa[i];
}
void Union(ll a, ll b)
{
ll Pa=Find(a), Pb=Find(b);
if (Pa==Pb) return;
if (Rank[Pa]<Rank[Pb]) swap(Pa, Pb);
if (Rank[Pa]==Rank[Pb]) Rank[Pa]++;
pa[Pb]=Pa, l[Pa]=min(l[Pa], l[Pb]), r[Pa]=max(r[Pa], r[Pb]);
}
void dfs1(ll u)
{
l1[u]=n, r1[u]=0;
for (ll v:A1[u])
{
if (!l1[v]) dfs1(v);
l1[u]=min(l1[u], l1[v]), r1[u]=max(r1[u], r1[v]);
}
}
void dfs2(ll u)
{
l2[u]=n, r2[u]=0;
for (ll v:A2[u])
{
if (!l2[v]) dfs2(v);
l2[u]=min(l2[u], l2[v]), r2[u]=max(r2[u], r2[v]);
}
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
ll m1, m2, q; cin >> n >> m1 >> m2 >> q;
for (ll i=1; i<=n; i++)
l1[i]=r1[i]=l2[i]=r2[i]=pa[i]=l[i]=r[i]=i;
vector <ll> num1, num2; num2.pb(0);
for (ll i=1; i<=m1; i++)
cin >> X1[i] >> Y1[i], num1.pb(Y1[i]);
sort(num1.begin(), num1.end());
num1.resize(unique(num1.begin(), num1.end())-num1.begin());
for (ll i=1; i<=m1; i++)
H1[lower_bound(num1.begin(), num1.end(), Y1[i])-num1.begin()].pb(i+n);
for (ll i=1; i<n+m1; i++)
{
ll t, u, v; cin >> t >> u >> v;
if (t==1) A1[v+n].pb(u);
else if (mp(Y1[v], X1[v])>mp(Y1[u], X1[u])) A1[v+n].pb(u+n);
else A1[u+n].pb(v+n);
}
for (ll i=1; i<=m2; i++)
cin >> X2[i] >> Y2[i], num2.pb(Y2[i]);
sort(num2.begin(), num2.end(), greater<ll>());
num2.resize(unique(num2.begin(), num2.end())-num2.begin());
for (ll i=1; i<=m2; i++)
H2[lower_bound(num2.begin(), num2.end(), Y2[i], greater<ll>())-num2.begin()].pb(i+n);
for (ll i=1; i<n+m2; i++)
{
ll t, u, v; cin >> t >> u >> v;
if (t==1) A2[v+n].pb(u);
else if (mp(Y2[v], X2[v])<mp(Y2[u], X2[u])) A2[v+n].pb(u+n);
else A2[u+n].pb(v+n);
}
for (ll i=1; i<=n+m1; i++)
if (!l1[i]) dfs1(i);
for (ll i=1; i<=n+m2; i++)
if (!l2[i]) dfs2(i);
auto in=[&](ll a, ll b) {return r[Find(a)]>=b;};
auto insert=[&](ll a, ll b)
{
while (r[Find(a)]<b)
a=r[Find(a)]+1, Union(a, a-1);
};
ll k1=num1.size(), k2=num2.size();
for (ll i=k1, ptr=0; i>=0; i--)
{
vector <pll> req;
for (ll j:H1[i])
{
vector <pll> c;
for (ll v:A1[j])
if (r1[v]) c.pb({l1[v], r1[v]});
sort(c.begin(), c.end());
for (ll i=0; i+1<c.size(); i++)
req.pb({c[i].se, c[i+1].fi}), assert(c[i].se+1==c[i+1].fi);
}
for (auto [l, r]:req)
{
while (l<1 || r>n){}
while (!in(l, r))
{
ptr++;
for (ll j:H2[ptr])
if (r2[j])
insert(l2[j], r2[j]);
}
}
to[i]=ptr;
}
for (ll i=1; i<=q; i++)
{
ll a; cin >> a;
ll pos=upper_bound(num1.begin(), num1.end(), a)-num1.begin();
cout << num2[to[pos]] << "\n";
}
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Runtime Error
Test #1:
score: 20
Accepted
time: 0ms
memory: 11740kb
input:
100 99 99 100 40 71 79 29 1 20 88 54 70 38 77 30 31 12 79 81 84 34 17 65 68 57 40 2 14 22 56 3 15 17 11 75 36 77 52 7 30 91 82 13 19 64 44 14 63 41 38 18 99 84 22 49 68 39 64 63 99 93 8 48 66 10 6 83 45 35 94 37 58 87 89 15 71 4 75 60 59 42 74 62 56 59 82 73 90 24 76 95 36 21 91 67 33 31 13 79 20 50...
output:
-98 -98 -95 -95 -95 -99 -98 -98 -95 -98 -98 -99 -98 -98 -89 -95 -98 -98 -99 -98 -98 -95 -99 -95 -98 -95 -95 -95 -95 -95 -95 -95 -98 -98 -95 -99 -98 -98 -98 -99 -95 -98 -95 -98 -98 -98 -95 -95 -89 -98 -98 -95 -98 -95 -99 -99 -95 -99 -98 -98 -95 -98 -98 -95 -98 -98 -95 -98 -95 -99 -98 -95 -98 -95 -95 ...
result:
ok 100 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 13892kb
input:
100 99 99 100 62 48 60 86 34 55 43 69 80 46 37 29 9 61 54 44 1 98 73 39 98 64 59 62 60 71 93 33 27 27 18 99 56 43 35 81 39 93 82 89 64 45 46 17 100 34 75 85 70 74 84 60 51 63 81 6 72 24 16 76 23 73 42 50 69 84 87 87 2 1 48 68 40 5 69 40 84 41 54 51 15 9 97 7 31 92 12 16 32 4 77 47 17 30 6 58 30 56 4...
output:
-97 -99 -99 -99 -97 -97 -99 -97 -97 -97 -97 -97 -97 -99 -99 -97 -97 -99 -99 -99 -97 -97 -97 -99 -99 -99 -97 -97 -97 -97 -97 -1 -97 -99 -97 -97 -97 -97 -97 -97 -99 -97 -97 -97 -99 -96 -99 -99 -96 -97 0 -97 -97 -97 -97 -97 -97 -38 -97 -97 -99 -97 -97 -99 -96 -97 -99 -97 -97 -97 -97 -99 -97 -99 -97 -97...
result:
ok 100 lines
Test #3:
score: 0
Accepted
time: 0ms
memory: 13876kb
input:
100 99 99 100 77 73 75 16 56 37 48 27 95 40 88 99 26 87 25 14 44 43 7 55 44 4 55 2 26 23 42 68 10 26 89 1 21 19 37 35 83 72 20 20 21 81 6 46 1 18 3 90 91 71 69 65 67 38 69 63 98 10 39 69 46 42 88 93 34 92 59 6 50 47 86 49 30 24 74 21 81 78 12 61 66 53 30 98 9 45 16 32 95 51 34 77 90 67 54 59 76 80 7...
output:
-99 -93 -99 -91 -99 -91 -99 -93 -93 -93 -93 -93 -99 -99 -99 -93 -93 -93 -99 -91 -91 -93 -93 -93 -99 -91 -99 -99 -93 -99 -91 -99 -93 -99 -99 -99 -99 0 -91 -93 -91 -93 -93 -99 -99 -99 -99 -99 -93 -99 -93 -99 -91 -93 -91 -91 -93 -91 -93 -93 -99 -93 -91 -99 -93 -91 -99 -99 -93 -93 -99 -91 -61 -93 -93 -9...
result:
ok 100 lines
Test #4:
score: 0
Accepted
time: 3ms
memory: 13908kb
input:
100 99 99 100 24 3 87 3 37 2 37 7 23 2 42 2 92 8 22 4 78 3 86 1 48 3 64 5 94 1 100 2 25 1 81 7 36 10 10 2 8 3 97 4 19 1 68 3 16 3 14 1 19 6 70 4 29 2 97 3 88 1 58 10 35 1 83 4 32 9 56 3 15 4 90 1 6 5 65 1 51 1 43 5 72 9 2 1 69 2 3 3 42 1 74 4 16 2 52 4 61 3 76 1 54 2 65 2 54 1 77 2 67 1 81 6 29 3 34...
output:
0 0 0 0 0 -7 0 0 0 0 -7 0 0 0 0 -9 0 0 0 0 0 0 0 -2 0 0 0 0 -10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -7 0 0 0 0 0 0 0 0 0 0 0 0 -7 -7 0 -9 0 0 0 0 0 -7 0 -10 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:
ok 100 lines
Test #5:
score: 0
Accepted
time: 0ms
memory: 13848kb
input:
100 99 99 100 22 94 11 7 7 98 57 63 31 77 2 23 83 91 60 73 59 51 75 57 5 96 98 41 45 19 73 53 13 82 95 97 63 72 38 4 94 60 49 26 79 8 41 92 32 9 8 6 82 56 68 64 33 36 54 34 77 87 71 31 13 80 66 83 44 14 70 32 91 76 51 24 52 84 47 68 85 89 100 20 73 55 88 13 24 81 29 86 18 79 3 22 97 21 81 45 23 1 75...
output:
-16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -3 -16 -3 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -3 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16 -16...
result:
ok 100 lines
Test #6:
score: 0
Accepted
time: 3ms
memory: 13888kb
input:
100 99 99 100 50 1 18 1 34 3 24 3 6 2 42 4 14 5 69 1 65 4 36 1 19 3 36 6 73 2 53 1 41 1 32 2 6 1 75 1 45 2 27 1 14 1 15 4 82 2 64 1 10 1 76 3 50 3 19 1 12 3 39 1 60 2 98 2 71 5 55 6 97 1 40 3 38 5 46 1 51 5 2 1 57 3 62 2 35 1 96 3 88 7 60 13 59 1 26 2 91 10 12 4 91 1 62 1 17 2 77 6 66 1 21 14 84 1 2...
output:
0 0 -90 -90 0 0 0 0 0 0 0 0 0 0 0 0 0 -35 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -90 0 0 0 0 0 -99 0 -90 0 0 0 -90 0 -99 -99 -99 0 0 0 0 0 0 0 0 0 -99 0 0 0 0 0 0 0 0 0 0 0 0 -30 -90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -99 0 0 0 0 0 0 0 0 0 0 0
result:
ok 100 lines
Test #7:
score: 0
Accepted
time: 3ms
memory: 13872kb
input:
100 99 99 100 50 71 6 86 31 83 99 31 17 84 74 90 21 43 29 30 44 57 69 41 27 33 37 78 75 16 99 8 24 98 42 10 38 72 64 67 62 68 93 35 25 99 30 88 66 12 91 65 84 66 12 23 72 54 96 95 3 34 2 29 65 42 44 37 61 45 5 85 20 40 39 73 70 70 81 21 14 62 28 9 16 61 9 5 95 76 90 36 54 17 79 75 48 4 52 18 31 96 6...
output:
-51 -33 -88 -11 -96 -92 -53 -53 -41 -46 -17 -24 -44 -98 -1 -94 -41 -60 -91 -41 -99 -4 -48 -94 -66 -90 -72 -66 -32 -60 -60 -56 -10 -72 -78 -96 -50 -31 -23 -16 -37 -9 -20 -22 -45 -28 -74 -45 -86 -67 -82 -70 -50 -63 -76 -41 -6 -16 -41 -76 -34 -72 -88 -7 -35 -80 -7 -82 -26 -15 -31 -22 -47 0 -3 -28 -31 -...
result:
ok 100 lines
Test #8:
score: 0
Accepted
time: 3ms
memory: 13904kb
input:
100 99 99 100 94 28 42 79 56 77 38 8 32 9 2 19 77 84 84 16 16 47 43 2 53 89 89 71 13 63 3 18 85 97 5 96 70 72 48 66 10 88 7 49 40 81 57 43 95 61 66 45 61 11 67 24 43 92 32 34 59 26 16 22 35 74 50 38 17 67 63 76 19 4 62 42 53 64 35 33 21 86 93 37 46 12 48 39 8 98 25 85 2 50 88 32 12 48 25 41 95 54 91...
output:
-5 -37 -40 -88 -32 -27 -47 -86 -85 -99 -86 -70 -99 -31 -21 -96 -42 -66 -9 -41 -23 -22 -20 -74 -79 -60 -85 -20 -58 -56 -34 -63 -94 -16 -63 -33 -85 -59 -96 -75 -39 -68 -66 -85 -7 -68 -17 -53 -55 -85 -48 -94 -21 -7 -35 -47 -8 -22 -76 -26 -74 -15 -92 -91 -36 -40 -45 -56 -26 -70 -13 -44 -62 -91 -44 -28 -...
result:
ok 100 lines
Test #9:
score: 0
Accepted
time: 0ms
memory: 13872kb
input:
100 99 99 100 37 14 14 12 48 41 89 79 89 38 19 1 77 29 45 5 80 76 72 96 74 10 61 59 98 7 14 20 2 23 41 15 9 33 19 37 46 8 96 3 94 90 68 13 99 92 76 68 25 17 36 40 68 83 77 66 39 82 79 16 12 63 52 42 73 53 56 98 56 24 63 91 34 46 28 19 38 80 90 11 47 43 17 70 29 36 5 84 42 99 51 65 43 6 59 44 4 81 42...
output:
-40 -84 -87 -31 -53 -87 -38 -5 -36 -15 -84 -85 -58 -45 -85 -96 -10 -66 -81 -56 -15 -37 -68 -51 -75 -34 0 -3 -21 -99 -51 -54 -24 -73 -88 -7 -8 -62 -21 -10 -21 -96 -48 -42 -58 -15 -78 -31 -51 -44 -34 -99 -26 -97 -59 -56 -21 -90 -16 -1 -84 -25 -71 -73 -36 -11 -28 -95 -66 -47 -92 -31 -46 -15 -81 -74 -43...
result:
ok 100 lines
Test #10:
score: 0
Accepted
time: 0ms
memory: 13900kb
input:
100 99 99 100 76 93 59 12 54 11 40 74 73 43 48 47 38 31 95 78 65 37 28 44 96 17 35 13 90 85 86 65 81 4 88 79 71 64 47 15 41 63 52 46 32 90 42 73 16 9 62 10 87 94 97 70 2 99 42 21 6 5 21 6 58 58 56 76 100 69 46 83 12 42 31 75 74 14 97 24 37 50 9 35 5 8 22 84 69 39 30 49 54 52 77 51 27 38 94 45 25 16 ...
output:
-38 -22 -40 -98 -25 -4 -46 -80 -43 -46 -77 -98 -4 -51 -82 -85 -7 -46 -35 -51 -75 -15 -77 -70 -90 -12 -55 -12 -59 -31 -55 -62 -88 -62 -9 -51 -7 -17 -86 -85 -59 -48 -28 -43 -92 -22 -19 -22 -46 -14 -12 -51 -27 -13 -35 -4 -90 -38 -19 -70 -19 -73 -65 -75 -64 -1 -75 -94 -85 -73 -32 -70 0 -80 -94 -27 -60 -...
result:
ok 100 lines
Test #11:
score: 0
Accepted
time: 4ms
memory: 14128kb
input:
1000 999 999 1000 29 797 230 668 310 981 2 879 197 826 352 362 407 805 890 87 249 584 295 199 531 588 687 528 433 565 288 46 385 474 431 86 639 686 942 656 388 667 310 282 737 578 161 430 823 664 333 979 989 745 46 432 999 236 962 545 949 655 902 406 812 521 632 812 715 47 313 691 840 665 294 336 72...
output:
-995 -999 -998 -999 -999 -999 -999 -999 -995 -999 -995 -999 -999 -999 -999 -998 -995 -995 -998 -995 -998 -999 -995 -995 -998 -995 -999 -995 -995 -998 -999 -999 -995 -998 -999 -999 -999 -999 -999 -999 -998 -999 -995 -998 -995 -998 -995 -995 -995 -999 -995 -999 -999 -995 -998 -995 -999 -995 -999 -999 ...
result:
ok 1000 lines
Test #12:
score: -20
Runtime Error
input:
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output:
result:
Subtask #2:
score: 0
Skipped
Dependency #1:
0%