Submission #1146548

#	Time	Username	Problem	Language	Result	Execution time	Memory
1146548		why1	Triangles (CEOI18_tri)	C++20	Compilation error	0 ms	0 KiB

tri

#include <bits/stdc++.h>
#include <trilib.h>
using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int,int>
#define sz size()
#define all(v) v.begin(),v.end()
#define fi first
#define se second

const int N = 5e5;
const int mod = 1e9+7;
const ll INF = 1e18;

const int di[] = {1, -1, 0, 0};
const int dj[] = {0, 0, 1, -1};

void solve() {
	int n=get_n();
	int ans=0;
	for(int i = 1; i <= n; i++){
		for(int j = i+1; j <= n; j++){
			bool check=true;
			for(int k = 1; k <= n; k++){
				if(k!=i && k!=j && i!=j){
					if(!is_clockwise(i,j,k)){
						check=false;
						break;
					}
				}
			}
			ans+=check;
		}	
	}
	give_answer(ans-1);
}

int main() {

	//freopen("cowrun.in","r",stdin);
	//freopen("cowrun.out","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

	int t=1;
	//cin>>t;
	while(t--) {
        solve();
	}

    return 0;
}

Compilation message (stderr)

tri.cpp:2:10: fatal error: trilib.h: No such file or directory
    2 | #include <trilib.h>
      |          ^~~~~~~~~~
compilation terminated.