Submission #395121

#	Time	Username	Problem	Language	Result	Execution time	Memory
395121		jeroenodb	Art Exhibition (JOI18_art)	C++14	100 / 100	665 ms	20792 KiB

art

#include "bits/stdc++.h"
using namespace std;
#define all(x) begin(x),end(x)
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { string sep; for (const T &x : v) os << sep << x, sep = " "; return os; }
#define debug(a) cerr << "(" << #a << ": " << a << ")\n";
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int,int> pi;
const int mxN = 1e5+1, oo = 1e9;
int main() {
    int n; cin >> n;
    vector<pair<ll,int>> v(n);
    for(auto& [a,b]: v) cin >> a >> b;
    sort(all(v));
    // Kadane's algorithm
    ll ans = 0, cur = 0;
    for(int i=0;i<n;++i) {
        if(i) cur-=v[i].first-v[i-1].first;
        if(cur<0) cur=0;
        cur+=v[i].second;
        ans = max(cur,ans);
    }
    cout << ans << '\n';

}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:15:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   15 |     for(auto& [a,b]: v) cin >> a >> b;
      |               ^

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