답안 #1101791

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1101791	2024-10-16T19:36:14 Z	kasdo	Art Exhibition (JOI18_art)	C++14	컴파일 오류	0 ms	0 KB

art

#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] = {}, mx[n+1] = -1000000000000000000;
    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>=1; i--) mx[i] = max(mx[i + 1], s[i]);

    int ans = 0;
    for(int i=1; i<=n; i++)
    {
        int cur = -1000000000000000000;
        // for(int j=i; j<=n; j++) cur = max(cur, (p[j] - a[j].first));
        // ai = mn, aj = mx;
        ans = max(ans, mx[i] - (p[i - 1] - a[i].first));
        // ans = max(ans, cur - (p[i - 1] - a[i].first));
    }
    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:15:55: error: conflicting declaration 'long long int mx [(n + 1)]'
   15 |     int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {}, mx[n+1] = -1000000000000000000;
      |                                                       ^~
art.cpp:15:24: note: previous declaration as 'long long int mx [(n + 5)]'
   15 |     int s[n + 5] = {}, mx[n + 5] = {}, p[n + 5] = {}, mx[n+1] = -1000000000000000000;
      |                        ^~
art.cpp:26:13: warning: unused variable 'cur' [-Wunused-variable]
   26 |         int cur = -1000000000000000000;
      |             ^~~