제출 #756220

#제출 시각아이디문제언어결과실행 시간메모리
756220AlkaratTable Tennis (info1cup20_tabletennis)C++17
87 / 100
3056 ms3152 KiB
#include <bits/stdc++.h> using namespace std; const int N=2e5+5; int n,k,a[N]; map<int,int>ck; bool check(int l,int r) { int sum=a[l]+a[r]; vector<int>g; 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:21:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |         if(g.size()==n)
      |            ~~~~~~~~^~~
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