제출 #168608

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
168608		srvlt	Exhibition (JOI19_ho_t2)	C++14	100 / 100	86 ms	6760 KiB

joi2019_ho_t2

//#pragma GCC target ("avx2,sse2")
//#pragma GCC optimization ("Ofast")
//#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

#define ordered_set tree <pair <ll, int>, null_type, less <pair <ll, int> >, rb_tree_tag, tree_order_statistics_node_update>
#define ll long long
#define ull unsigned long long
#define db double
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define fi first
#define se second
#define mp make_pair
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define endl "\n"

#define left fsdsdfoisf
#define sum dpsdfioppsf
#define assign xcvjlkdjfio
#define trie fksdfkjkfnjuiv
#define next sidlfjsfkl
#define merge sdfksdkfsldf

#define int long long

using namespace std;

void dout() {
    cerr << endl;
}
template <typename Head, typename... Tail>
void dout(Head H, Tail... T) {
    cerr << H << ' ';
    dout(T...);
}

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef pair <int, int> pii;

const int N = 1e5 + 7;
int n, m, c[N], dp[N];
vector <pii> v;

void solve(int tc) {
    // check for (int i = 0; i < n; j++)
    cin >> n >> m;
    for (int i = 0; i < n; i++) {
        int s, val;
        cin >> s >> val;
        v.pb({val, s});
    }
    sort(all(v));
    reverse(all(v));
    for (int i = 1; i <= m; i++) {
        cin >> c[i];
    }
    sort(c + 1, c + m + 1);
    int mx = 0;
    for (int i = 0; i < n; i++) {
        int s = v[i].se, val = v[i].fi;
        int x = lower_bound(c + 1, c + m + 1, s) - c;
        dp[i] = min(mx + 1, m - x + 1);
        mx = max(mx, dp[i]);
    }
    cout << mx;
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    freopen("meetings.in", "r", stdin);
//    freopen("meetings.out", "w", stdout);
    int tc = 1;
//    cin >> tc;
    for (int i = 0; i < tc; i++) {
        solve(i);
//        cleanup();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp: In function 'void solve(long long int)':
joi2019_ho_t2.cpp:69:26: warning: unused variable 'val' [-Wunused-variable]
         int s = v[i].se, val = v[i].fi;
                          ^~~

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50