제출 #1313282

#제출 시각아이디문제언어결과실행 시간메모리
1313282neonglitchCONSUL (info1cup19_consul)C++20
100 / 100
12 ms400 KiB
#include <bits/stdc++.h> #include "grader.h" using namespace std; void solve(int n) { /// insert your code /// for example int a[n+2]={0}; if(n<=50) { map<int,int> cnt; for(int i=1;i<=n;i++)cnt[kth(i)]++; for(auto it:cnt) { if(it.second>(n/3)) { say_answer(it.first); return; } } say_answer(-1); return; } for(int i=1;i<=n;i++)a[i]=-1; int lm=n/3; srand(time(0)); for(int ip=0;ip<30;ip++) { int j=rand()%n + 1; while(a[j]!=-1) { j=rand()%n+1; } a[j]=kth(j); if(cnt(a[j])>lm) { say_answer(a[j]); return; } } say_answer(-1); }
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