제출 #232782

#제출 시각아이디문제언어결과실행 시간메모리
232782dolphingarlicTriangles (CEOI18_tri)C++14
0 / 100
5 ms640 KiB
#include <iostream> #include <cstdio> #include <algorithm> #include <trilib.h> using namespace std; #define endl '\n' #define pi pair<int, int> const int maxn = 50; int n; bool works[maxn]; int main(){ ios::sync_with_stdio(false); cin.tie(NULL); n = get_n(); for(int i = 0; i < n; i++){ for(int j = 0; j < n; j++){ if(i == j) continue; bool t = 1; for(int k = 0; k < n; k++){ if(k == i || k == j) continue; t &= is_clockwise(i, j, k); } works[i] |= t; works[j] |= t; } } int ret = 0; for(int i = 0; i < n; i++) ret += works[i]; give_answer(ret); return 0; }
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