Submission #1144271

#	Time	Username	Problem	Language	Result	Execution time	Memory
1144271		tnt	Art Exhibition (JOI18_art)	C++20	10 / 100	4 ms	328 KiB

art

#include <bits/stdc++.h>
using namespace std;
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

#define pb push_back                    
#define ll long long
#define int long long
//#define sort(all(v)) sort(v.begin(),v.end())

int mod = 998244353;
const int N = 4e5 + 10;
const int inf = 1e9;
int fact[200001];
ll binpow(ll a, ll b){
 if(b == 0) return 1;
 else if(b % 2 == 1) return (a * binpow(a, b - 1)) % mod;
 ll p = binpow(a,b / 2);
 return (p * p) % mod;
}
int p[N];
signed main(){
    //freopen("mootube.in", "r", stdin);
    //freopen("mootube.out", "w", stdout);
    int n;
    cin >> n;
    int a[n + 1],b[n + 1];
    for(int i = 1; i <= n; i++){
        cin >> a[i] >> b[i];
    }
    int ans = 0;
    for(int mask = 0; mask < (1 << n); mask++){
        if(mask == 0) continue;
        int s = 0,mx = 0,mn = 1e18;
        for(int i = 0; i < n; i++){
            if((mask >> i & 1) == 1){
                s += b[i + 1];
                mx = max(a[i + 1],mx);
                mn = min(a[i + 1],mn);
            }
        }
        ans = max(ans,s - (mx - mn));
    }
    cout << ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50