oj.uz

Submission #1101780

# Submission time Handle Problem Language Result Execution time Memory
1101780 2024-10-16T18:36:33 Z kasdo Art Exhibition (JOI18_art) C++14
0 / 100
 1 ms 336 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define speed cin.tie (0) -> sync_with_stdio (0);ios_base::sync_with_stdio(false);cin.tie(0);
void solve()
{
    int n;
    cin>>n;
    pair<int, int> a[n + 5];
    
    for(int i=1; i<=n; i++) cin>>a[i].first>>a[i].second;
    sort(a+1, a+n+1);
    
    int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {}; p[1] = a[1].second;
    for(int i=1; i<=n; i++)
    {
        p[i] = p[i - 1] + a[i].second;
        // s[i] = p[i] - a[i].first;
    }
    // for(int i=n; i>0; i--) mx[i] = max(mx[i + 1], s[i]);
    
    int ans = 0;
    for(int i=1; i<=n; i++)
    {
        int cur = -1e9, cur2 = 1e9;
        for(int j=i; j<=n; j++)
        {
            cur = max(cur, (p[j] - a[j].first));
            cur2 = min(cur2, (p[j] - a[j].first));
        }
        ans = max(ans, cur - (p[i - 1] - a[i].first));
        ans = max(ans, cur2 - (p[i - 1] - a[i].first));
        // ans = max(ans, cur);
    }
    cout<<ans<<endl;
}
signed main ()
{
    speed
    // freopen("feast.in", "r", stdin);
    // freopen("feast.out", "w", stdout);
    
    int _ = 1;
    // cin>>_;
    
    while(_--) solve();
    
    return 0;
}

Compilation message

art.cpp: In function 'void solve()':
art.cpp:15:9: warning: unused variable 's' [-Wunused-variable]
   15 |     int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {}; p[1] = a[1].second;
      |         ^
art.cpp:15:24: warning: unused variable 'mx' [-Wunused-variable]
   15 |     int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {}; p[1] = a[1].second;
      |                        ^~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -