oj.uz

Submission #508357

# Submission time Handle Problem Language Result Execution time Memory
508357 2022-01-13T09:19:24 Z ac2hu Preokret (COCI18_preokret) C++14
50 / 50
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;
signed main(){
    iostream::sync_with_stdio(false);
    cin.tie(nullptr);cout.tie(nullptr);
    vector<pair<int,int>> temp;
    int a;cin >> a;
    for(int i = 0;i<a;i++){
    	int t;cin >> t;
    	temp.push_back({t,0});
    }
    int b;cin >> b;
    for(int i = 0;i<b;i++){
    	int t;cin >> t;
    	temp.push_back({t,1});
    }
    int half = 1440;
    sort(temp.begin(),temp.end());
    int c = 0;
    for(int i = 0;i<temp.size();i++){
    	if(temp[i].first <= half)
    		c++;
    	else 
    		break;
    }
    array<int,2> vec = {0,0};
    int winner = temp[0].second;
    vec[temp[0].second]++;
    int tc = 0;
    for(int i = 1;i<temp.size();i++){
    	vec[temp[i].second]++;
    	if(vec[0] > vec[1]){
    		if(winner != 0){
    			winner = 0;
    			tc++;
    		}
    	}	
    	if(vec[1] > vec[0]){
    		if(winner != 1){
    			winner = 1;
    			tc++;
    		}
    	}
    }
    cout << c << "\n" << tc << "\n";
}

Compilation message

preokret.cpp: In function 'int main()':
preokret.cpp:20:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 0;i<temp.size();i++){
      |                   ~^~~~~~~~~~~~
preokret.cpp:30:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(int i = 1;i<temp.size();i++){
      |                   ~^~~~~~~~~~~~

Subtask #1
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 312 KB Output is correct