제출 #756216

#제출 시각아이디문제언어결과실행 시간메모리
756216AlkaratTable Tennis (info1cup20_tabletennis)C++14
87 / 100
3038 ms4596 KiB
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int n,k,a[N];
vector<int>g;
map<int,int>ck;
bool check(int l,int r)
{
    int sum=a[l]+a[r];
    g.clear();
    while(l<r)
    {
        if(a[l]+a[r]==sum) 
        {
            g.push_back(a[l]);
            g.push_back(a[r]);
            l++;
            r--;
        }
        else if(a[l]+a[r]>sum) r--;
        else l++;
        if(g.size()==n)
        {
            sort(g.begin(),g.end());
            for(int e:g) cout<<e<<" ";
            return 1;
        }
    }
    return 0;
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k;
    for(int i=1; i<=n+k; i++) cin>>a[i];
    for(int i=1; i<=k+1; i++) for(int j=n+k; j>=i+n-1; j--) if(check(i,j)) return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'bool check(int, int)':
tabletennis.cpp:22:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |         if(g.size()==n)
      |            ~~~~~~~~^~~
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