제출 #1271869

#제출 시각아이디문제언어결과실행 시간메모리
1271869uranhishig별들과 삼각형 (IZhO11_triangle)C++20
0 / 100
0 ms320 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define pii pair<int,int> #define ff first #define ss second #define rep(i,n) for (int i = 0; i < n; i++) signed main() { int n, m; cin >> n >> m; vector<int> a(n); vector<int> b(m); set<int> s1, s2; rep(i,n){ cin>>a[i]; } rep(j,m){ cin>>b[j]; } for(int i=0;i<n;i++){ for(int j=i+1;j<n;j++){ s1.insert(a[j]-a[i]); } } for(int i=0;i<m;i++){ for(int j=i+1;j<m;j++){ s2.insert(b[j]-b[i]); } } int ans=0; for(auto x:s1){ for(auto y:s2){ if(x==y){ ans++; } } } cout<<ans; return 0; }
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