oj.uz

답안 #136178

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
136178 2019-07-24T21:46:42 Z jovan_b 사다리꼴 (balkan11_trapezoid) C++17
95 / 100
 500 ms 29132 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")

using namespace std;

typedef long long ll;
typedef long double ld;

const int MOD = 30013;

int a[100005], b[100005], c[100005], d[100005];
map <int, int> u;

pair <int, int> niz[200005];

int dp[100005];
int brn[100005];

struct drvo{
    int val;
    int br;
} seg[1200005];

void upd(int node, int l, int r, int x, int val){
    if(l > x || r < x) return;
    if(l == r){
        seg[node].val = dp[val];
        seg[node].br = brn[val];
        return;
    }
    int mid = (l+r)/2;
    upd(node*2, l, mid, x, val);
    upd(node*2+1, mid+1, r, x, val);
    seg[node].val = max(seg[node*2].val, seg[node*2+1].val);
    seg[node].br = 0;
    if(seg[node].val == seg[node*2].val){
        seg[node].br += seg[node*2].br;
    }
    if(seg[node].val == seg[node*2+1].val){
        seg[node].br += seg[node*2+1].br;
    }
    seg[node].br %= MOD;
}

pair <int, int> query(int node, int l, int r, int tl, int tr){
    if(l > tr || tl > r) return {0, 1};
    if(tl <= l && r <= tr){
        return {seg[node].val, seg[node].br};
    }
    int mid = (l+r)/2;
    pair <int, int> a1  = query(node*2, l, mid, tl, tr);
    pair <int, int> b1 = query(node*2+1, mid+1, r, tl, tr);

    int mn = max(a1.first, b1.first);
    int s = 0;
    if(a1.first == mn) s += a1.second;
    if(b1.first == mn) s += b1.second;
    s %= MOD;
    return {mn, s};
}

int main(){
    ios_base::sync_with_stdio(false);
	cout.precision(10);
	cout << fixed;

    int n;
    cin >> n;
    vector <int> vec;
    for(int i=1; i<=n; i++){
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        vec.push_back(a[i]);
        vec.push_back(b[i]);
        vec.push_back(c[i]);
        vec.push_back(d[i]);
    }
    sort(vec.begin(), vec.end());
    int cnt = 0;
    for(auto c : vec){
        if(!u[c]) u[c] = ++cnt;
    }
    for(int i=1; i<=n; i++){
        a[i] = u[a[i]];
        b[i] = u[b[i]];
        c[i] = u[c[i]];
        d[i] = u[d[i]];
        niz[i] = {c[i] , i};
        niz[i+n] = {d[i], i+n};
    }
    sort(niz+1, niz+1+2*n);
    for(int i=1; i<=2*n; i++){
        if(niz[i].second > n){
            //cout << b << " " << niz[i].second - n << endl;
            upd(1, 1, cnt+5, b[niz[i].second - n], niz[i].second - n);
        }
        else{
            int k = niz[i].second;
            //cout << a[k] << " " << k << endl;
            pair <int, int> rs = query(1, 1, cnt+5, 1, a[k]);
            dp[k] = rs.first + 1;
            brn[k] = rs.second;
            if(dp[k] == 1) brn[k] = 1;
        }
    }
    int res = 0;
    int mx = 1;
    for(int i=1; i<=n; i++){
        mx = max(mx, dp[i]);
    }
    for(int i=1; i<=n; i++){
        //cout << dp[i] << " ";
        if(dp[i] == mx){
            res += brn[i];
            if(res > MOD) res -= MOD;
        }
    }
    cout << mx << " " << res;
    return 0;
}

Subtask #1
95.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 4 ms 632 KB Output is correct
5 Correct 7 ms 1020 KB Output is correct
6 Correct 10 ms 1272 KB Output is correct
7 Correct 10 ms 1144 KB Output is correct
8 Correct 16 ms 1656 KB Output is correct
9 Correct 39 ms 3576 KB Output is correct
10 Correct 76 ms 4468 KB Output is correct
11 Correct 99 ms 7924 KB Output is correct
12 Correct 241 ms 15992 KB Output is correct
13 Correct 289 ms 16880 KB Output is correct
14 Correct 355 ms 23072 KB Output is correct
15 Correct 370 ms 19620 KB Output is correct
16 Correct 422 ms 20520 KB Output is correct
17 Correct 463 ms 27340 KB Output is correct
18 Correct 318 ms 17800 KB Output is correct
19 Correct 465 ms 26600 KB Output is correct
20 Execution timed out 520 ms 29132 KB Time limit exceeded