Submission #756488

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
756488	2023-06-11T17:50:23 Z	Olympia	Schools (IZhO13_school)	C++17	20 / 100	2000 ms	5504 KB

school

#include <vector>
#include <iostream>
#include <cassert>
#include <random>
#include <cmath>
#include <map>
#include <algorithm>
#include <bitset>
#include <random>
#include <queue>
#include <set>
#include <stack>
using namespace std;
vector<pair<int64_t,int64_t>> music, sports;
vector<pair<int64_t,int64_t>> vec;
int64_t val () {
	int64_t ans = 0;
	for (int i = 0; i < music.size(); i++) {
		ans += music[i].first;
	}
	for (int i = 0; i < sports.size(); i++) {
		ans += sports[i].second;
	}
	return ans;
}
bool comp (pair<int64_t, int64_t> p1, pair<int64_t, int64_t> p2) {
	return (p1.first - p1.second < p2.first - p2.second);
}
int64_t solve (int M, int S) {
	music.clear(), sports.clear();
	sort(vec.begin(), vec.end(), comp); //stuff at the beginning
	/*
	for (auto& p: vec) {
		cout << p.first << " " << p.second << endl;
	}
	return -1;
	*/
	for (auto& value: vec) {
    	if (music.size() < M or sports.size() < S) {
    		if (music.size() < M) {
    			music.push_back(value);
    		} else if (sports.size() < S) {
    			sports.push_back(value);
    		}
    	} else {
    		int64_t mx = 0;
    		for (int i = 0; i < music.size(); i++) {
    			auto m = music[i];
    			music[i] = value;
    			mx = max(mx, val());
    			music[i] = m;
    		}
    		for (int i = 0; i < sports.size(); i++) {
    			auto s = sports[i];
    			sports[i] = value;
    			mx = max(mx, val());
    			sports[i] = s;
    		}
    		if (mx < val()) {
    			continue;
    		}
    		bool broken = false;
    		for (int i = 0; i < music.size(); i++) {
    			auto m = music[i];
    			music[i] = value;
    			if (val() == mx) {
    				broken = true;
    				break;
    			}
    			music[i] = m;
    		}
    		if (broken) continue;
    		for (int i = 0; i < sports.size(); i++) {
    			auto s = sports[i];
    			sports[i] = value;
    			if (val() == mx) {
    				break;
    			}
    			sports[i] = s;
    		}
    	}
    	sort(music.begin(), music.end(), comp);
    	sort(sports.begin(), sports.end(), comp);
    	reverse(sports.begin(), sports.end());
    	if (!sports.empty() and !music.empty() and sports[0].first + music[0].second > sports[0].second + music[0].first) {
    		swap(sports[0], music[0]);
    	}
    }
    return val();
}
int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int N, M, S;
    cin >> N >> M >> S;
    vec.resize(N);
    for (int i = 0; i < N; i++) {
    	cin >> vec[i].first >> vec[i].second;
    }
    cout << solve(M, S);
}

Compilation message

school.cpp: In function 'int64_t val()':
school.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for (int i = 0; i < music.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~
school.cpp:21:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for (int i = 0; i < sports.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~~
school.cpp: In function 'int64_t solve(int, int)':
school.cpp:39:23: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |      if (music.size() < M or sports.size() < S) {
      |          ~~~~~~~~~~~~~^~~
school.cpp:39:44: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |      if (music.size() < M or sports.size() < S) {
      |                              ~~~~~~~~~~~~~~^~~
school.cpp:40:24: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |       if (music.size() < M) {
      |           ~~~~~~~~~~~~~^~~
school.cpp:42:32: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   42 |       } else if (sports.size() < S) {
      |                  ~~~~~~~~~~~~~~^~~
school.cpp:47:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |       for (int i = 0; i < music.size(); i++) {
      |                       ~~^~~~~~~~~~~~~~
school.cpp:53:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |       for (int i = 0; i < sports.size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~
school.cpp:63:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |       for (int i = 0; i < music.size(); i++) {
      |                       ~~^~~~~~~~~~~~~~
school.cpp:73:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |       for (int i = 0; i < sports.size(); i++) {
      |                       ~~^~~~~~~~~~~~~~~

Subtask #1

20.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Incorrect	1 ms	232 KB	Output isn't correct
5	Incorrect	1 ms	212 KB	Output isn't correct
6	Incorrect	1 ms	212 KB	Output isn't correct
7	Execution timed out	2086 ms	416 KB	Time limit exceeded
8	Correct	335 ms	496 KB	Output is correct
9	Execution timed out	2070 ms	568 KB	Time limit exceeded
10	Execution timed out	2037 ms	556 KB	Time limit exceeded
11	Execution timed out	2056 ms	624 KB	Time limit exceeded
12	Execution timed out	2059 ms	620 KB	Time limit exceeded
13	Execution timed out	2047 ms	1304 KB	Time limit exceeded
14	Execution timed out	2033 ms	2040 KB	Time limit exceeded
15	Execution timed out	2070 ms	3004 KB	Time limit exceeded
16	Execution timed out	2063 ms	3592 KB	Time limit exceeded
17	Execution timed out	2052 ms	4136 KB	Time limit exceeded
18	Execution timed out	2057 ms	4492 KB	Time limit exceeded
19	Execution timed out	2051 ms	4764 KB	Time limit exceeded
20	Execution timed out	2056 ms	5504 KB	Time limit exceeded