Submission #782734

#	Time	Username	Problem	Language	Result	Execution time	Memory
782734		RecursiveCo	Advertisement 2 (JOI23_ho_t2)	C++14	59 / 100	2064 ms	7884 KiB

Main

// 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

signed main() {
    improvePerformance;
    //getTest;

    //eachTest {
        get(n);
        vector<pair<int, int>> people;
        forto(n, i) {
            get(x);
            get(e);
            people.push_back({e, x});
        }
        int ans = 0;
        sortl(people);
        rev(people);
        vector<pair<int, int>> done;
        forto(n, i) {
            bool found = false;
            int e = people[i].first;
            int x = people[i].second;
            forto(done.size(), j) {
                int ep = done[j].first;
                int xp = done[j].second;
                if (xp >= x) {
                    if (ep - xp >= e - x) {
                        found = true;
                        break;
                    }
                } else {
                    if (ep + xp >= e + x) {
                        found = true;
                        break;
                    }
                }
            }
            if (!found) ans++, done.push_back(people[i]);
        }
        out(ans);
    //}
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'n' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:25:9: note: in expansion of macro 'get'
   25 |         get(n);
      |         ^~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:27:9: note: in expansion of macro 'forto'
   27 |         forto(n, i) {
      |         ^~~~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'x' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:28:13: note: in expansion of macro 'get'
   28 |             get(x);
      |             ^~~
Main.cpp:10:23: warning: unnecessary parentheses in declaration of 'e' [-Wparentheses]
   10 | #define get(name) int (name); cin >> (name)
      |                       ^
Main.cpp:29:13: note: in expansion of macro 'get'
   29 |             get(e);
      |             ^~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:36:9: note: in expansion of macro 'forto'
   36 |         forto(n, i) {
      |         ^~~~~
Main.cpp:15:35: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Main.cpp:40:13: note: in expansion of macro 'forto'
   40 |             forto(done.size(), j) {
      |             ^~~~~
Main.cpp:15:52: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                              ~~~~~~^~~~~~~~
Main.cpp:40:13: note: in expansion of macro 'forto'
   40 |             forto(done.size(), j) {
      |             ^~~~~

• Subtask 1: 0 / 10
• Subtask 2: 23 / 23
• Subtask 3: 36 / 36
• Subtask 4: 0 / 31