Submission #772404

#	Time	Username	Problem	Language	Result	Execution time	Memory
772404		RecursiveCo	Art Exhibition (JOI18_art)	C++14	100 / 100	181 ms	28832 KiB

art

// CF template, version 3.0

#include <bits/stdc++.h>

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

#define int long long int

signed main() {
    improvePerformance;
    get(n);
    vector<pair<int, int>> art;
    forto(n, i) {
        get(a);
        get(b);
        art.push_back({a, b});
    }
    sortl(art);
    vector<int> values;
    forto(n, i) values.push_back(art[i].first + art[i].second - (i == n - 1? 0: art[i + 1].first));
    int maxsub = values[0];
    int ans = art[0].second;
    for (int i = 1; i < n; i++) {
        maxsub = max(0ll, maxsub) + values[i];
        ans = max(ans, maxsub - art[i].first + (i == n - 1? 0: art[i + 1].first));
    }
    out(ans);
}

Compilation message (stderr)

art.cpp: In function 'int main()':
art.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
art.cpp:22:5: note: in expansion of macro 'get'
   22 |     get(n);
      |     ^~~
art.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
art.cpp:24:5: note: in expansion of macro 'forto'
   24 |     forto(n, i) {
      |     ^~~~~
art.cpp:10:23: warning: unnecessary parentheses in declaration of 'a' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
art.cpp:25:9: note: in expansion of macro 'get'
   25 |         get(a);
      |         ^~~
art.cpp:10:23: warning: unnecessary parentheses in declaration of 'b' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
art.cpp:26:9: note: in expansion of macro 'get'
   26 |         get(b);
      |         ^~~
art.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
art.cpp:31:5: note: in expansion of macro 'forto'
   31 |     forto(n, i) values.push_back(art[i].first + art[i].second - (i == n - 1? 0: art[i + 1].first));
      |     ^~~~~

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