oj.uz

답안 #249883

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
249883 2020-07-16T09:02:00 Z Mercenary 사다리꼴 (balkan11_trapezoid) C++14
100 / 100
 99 ms 6644 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/trie_policy.hpp>

#define pb push_back
#define mp make_pair
#define taskname "A"

using namespace std;
using namespace __gnu_pbds;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
typedef tree <int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;

const int maxn = 1e5 + 5;
const int logn = log2(maxn) + 1;
const int mod = 30013;
void add(int & x , int y){
    x += y;
    if(x >= mod)x -= mod;
}
struct node{
    int a , b , c , d;
    bool operator < (const node other){
        return a < other.a;
    }
}a[maxn];
ii operator + (const ii a , const ii b){
    if(a.first != b.first)return max(a,b);
    return mp(a.first, (a.second + b.second) % mod);
}

int n;
ii s[maxn * 4];

void update(int x , ii val){
    for( ; x <= n ; x += x & -x){
        s[x] = s[x] + val;
    }
}

ii query(int x){
    ii res = mp(0,0);
    for( ; x > 0 ; x &= x - 1)res = res + s[x];
    return res;
}
ii dp[maxn];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    if(fopen(taskname".INP","r")){
		freopen(taskname".INP", "r",stdin);
		freopen(taskname".OUT", "w",stdout);
    }
    vector<int> val;
    cin >> n;
    for(int i = 1 ; i <= n ; ++i){
        cin >> a[i].a >> a[i].b >> a[i].c >> a[i].d;
        val.pb(a[i].d);
    }
    sort(val.begin(),val.end());
    priority_queue<ii,vector<ii>,greater<ii>> pq;
    sort(a + 1 , a + n + 1);
    ii res = mp(0,1);
    for(int i = 1 ; i <= n ; ++i){
        while(pq.size() && pq.top().first < a[i].a){
            update(lower_bound(val.begin(),val.end(),a[pq.top().second].d)-val.begin()+1,dp[pq.top().second]);
            pq.pop();
        }
        dp[i] = query(lower_bound(val.begin(),val.end(),a[i].c) - val.begin());
        if(dp[i].first == 0)dp[i] = mp(0 , 1);
        dp[i].first++;
        res = res + dp[i];
        pq.push(mp(a[i].b , i));
    }
    cout << res.first << " " << res.second << endl;
}

Compilation message

trapezoid.cpp: In function 'int main()':
trapezoid.cpp:56:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".INP", "r",stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
trapezoid.cpp:57:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen(taskname".OUT", "w",stdout);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 3 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 17 ms 1664 KB Output is correct
11 Correct 22 ms 2048 KB Output is correct
12 Correct 51 ms 3704 KB Output is correct
13 Correct 60 ms 4216 KB Output is correct
14 Correct 71 ms 4980 KB Output is correct
15 Correct 79 ms 5108 KB Output is correct
16 Correct 84 ms 5492 KB Output is correct
17 Correct 93 ms 5876 KB Output is correct
18 Correct 79 ms 6004 KB Output is correct
19 Correct 94 ms 6392 KB Output is correct
20 Correct 99 ms 6644 KB Output is correct