Submission #1033921

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033921		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	379 ms	12116 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define el '\n'
#define pb push_back
#define mp make_pair
#define niggers                       \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                    \
    cout.tie(NULL);
#define file(name)                    \
    freopen(name ".inp", "r", stdin); \
    freopen(name ".out", "w", stdout);

typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int, int> pii;
typedef vector<long long> vll;
typedef vector<int> vi;

const ll MOD = 1e9 + 7;
const int inf = 1e9;
const int mxN = 1e2 + 5;
const int mxM = 1e3 + 5;
const int N = 5e5 + 5;

int hx[] = {-1, 0, 1, 0};
int hy[] = {0, 1, 0, -1};

ll pfs[N];
int main()
{
    // freopen("b.inp", "r", stdin);
    // freopen("b.out", "w", stdout);
    ll pinkkiu = 1;
    // cin >> pinkkiu;
    while (pinkkiu--)
    {
        ll n;
        cin >> n;
        pll a[n + 5];
        for (int i = 1; i <= n; ++i)
        {
            cin >> a[i].fi >> a[i].se;
        }
        ll ps[n + 5];
        sort(a + 1, a + n + 1);
        for (int i = 1; i <= n; ++i)
        {
            pfs[i] = pfs[i - 1] + a[i].se;
        }
        ll mn = inf;
        ll ans = 0;
        for (int i = 1; i <= n; i++)
        {
            mn = min(mn, pfs[i - 1] - a[i].fi);
            ans = max(ans, pfs[i] - a[i].fi - mn);
        }
        cout << ans;
    }
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:49:12: warning: unused variable 'ps' [-Wunused-variable]
   49 |         ll ps[n + 5];
      |            ^~

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