제출 #748260

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
748260		Trunkty	Preokret (COCI19_preokret)	C++14	50 / 50	1 ms	332 KiB

preokret

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll

int n,a,b,istie=1,turn;
int arr[255];
vector<int> event;

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    int curr=0,pos=1;
    for(int i=1;i<=n;i++){
        cin >> arr[i];
        if(arr[i]==pos){
            curr++;
        }
        else{
            event.push_back(curr);
            curr = 1;
            pos = arr[i];
        }
    }
    event.push_back(curr);
    for(int i=0;i<event.size();i++){
        if(event[i]==0){
            continue;
        }
        if(i%2){
            if(b<a and b+event[i]>a){
                turn = max(turn,event[i]);
            }
            if(b<a and b+event[i]>=a){
                istie++;
            }
            b += event[i];
        }
        else{
            if(a<b and a+event[i]>b){
                turn = max(turn,event[i]);
            }
            if(a<b and a+event[i]>=b){
                istie++;
            }
            a += event[i];
        }
    }
    cout << a << " " << b << "\n";
    cout << istie << "\n";
    cout << turn << "\n";
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

preokret.cpp: In function 'int main()':
preokret.cpp:27:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(int i=0;i<event.size();i++){
      |                 ~^~~~~~~~~~~~~

• Subtask 1: 50 / 50