# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1037941 | ArshiaDadras | trapezoid (balkan11_trapezoid) | C++17 | 181 ms | 26672 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define pb push_back
#define all(x) x.begin(), x.end()
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef array<ld, 3> P;
const int N = 4e5 + 10;
const int Mod = 1000000007;
int a[N], b[N], c[N], d[N];
pii seg[N << 2];
pii Merge(const pii& A, const pii& B){
return {max(A.F, B.F), ((A.F >= B.F ? A.S : 0) + (A.F <= B.F ? B.S : 0)) % Mod};
}
void Change(int id, int x, pii nw, int L, int R){
if(L + 1 == R){
seg[id] = Merge(seg[id], nw);
return ;
}
int mid = (L + R) >> 1;
if(x < mid) Change(id << 1, x, nw, L, mid);
else Change(id << 1 | 1, x, nw, mid, R);
seg[id] = Merge(seg[id << 1], seg[id << 1 | 1]);
}
pii Get(int id, int l, int r, int L, int R){
if(r <= L || R <= l) return pii(0, 0);
if(l <= L && R <= r) return seg[id];
int mid = (L + R) >> 1;
return Merge(Get(id << 1, l, r, L, mid), Get(id << 1 | 1, l, r, mid, R));
}
pii dp[N];
int Main(){
int n;
cin >> n;
rep(i, 0, n){
cin >> a[i] >> b[i] >> c[i] >> d[i];
if(a[i] > b[i]) swap(a[i], b[i]);
if(c[i] > d[i]) swap(c[i], d[i]);
}
vi U, D;
rep(i, 0, n) U.pb(a[i]);
rep(i, 0, n) U.pb(b[i]);
rep(i, 0, n) D.pb(c[i]);
rep(i, 0, n) D.pb(d[i]);
sort(all(U));
sort(all(D));
int a0 = 0;
vector<pair<pii, pii> > E;
rep(i, 0, n){
if(a[i] == b[i] && c[i] == d[i]){
a0 ++;
continue;
}
a[i] = lower_bound(all(U), a[i]) - U.begin();
b[i] = lower_bound(all(U), b[i]) - U.begin();
c[i] = lower_bound(all(D), c[i]) - D.begin();
d[i] = lower_bound(all(D), d[i]) - D.begin();
E.pb({{a[i], c[i]}, {1, i}});
E.pb({{b[i], d[i]}, {0, i}});
}
assert(a0 == 0);
pii res = {0, 1};
sort(all(E));
Change(1, 0, pii(0, 1), 0, N);
for(auto [seg, wh] : E){
// cerr << "!! " << seg.F << ' ' << seg.S << " : " << wh.F << ' ' << wh.S << '\n';
if(wh.F == 0){ // update
Change(1, seg.S, dp[wh.S], 0, N);
} else {
dp[wh.S] = Get(1, 0, seg.S + 1, 0, N);
dp[wh.S].F ++;
}
}
// res = {0, 1};
// rep(i, 1, n) if(dp[i].F >= 1)
// res = Merge(res, dp[i]);
res = Get(1, 0, N, 0, N);
cout << res.F + a0 << ' ' << res.S << '\n';
return 0;
}
int main(){
fill(seg, seg + (N << 2), pii(0, 0));
// rep(i, 2, N) for(int j = i + i; j < N; j+=i) pr[j] = 1;
// fb[0] = fb[1] = 1;
// rep(i, 2, N){
// if(pr[i]) fb[i] = (fb[i - 1] + fb[i - 2]) % 1000000;
// else fb[i] = fb[i - 1] + fb[i - 2] + i;
// }
int tc = 1;
// cin >> tc;
while(tc--) Main();
return 0;
}
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