Submission #424972

#	Time	Username	Problem	Language	Result	Execution time	Memory
424972		Runtime_error_	Triangles (CEOI18_tri)	C++14	0 / 100	1 ms	420 KiB

tri

#include "trilib.h"
#include <bits/stdc++.h>
using namespace std;
int n;
set<int> s;
int go(int x){
        int y = n;
        if(x == n)
            y = 1;
        for(int j=1;j<=n;j++){
            if(j == x || j == y)
                continue;
            if(is_clockwise(x,y,j))
                y = j;
        }
}

int main(){
    s.clear();
    n = get_n();
    for(int i=1;i<=n;i++){
        int neighbour = go(i);
        if(s.count(neighbour))
            give_answer(n-1),exit(0);
        s.insert(neighbour);
    }
    give_answer(n);
}
/*
6
1 1
4 3
2 2
1 4
5 1
3 2
*/

Compilation message (stderr)

tri.cpp: In function 'int go(int)':
tri.cpp:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^

• Subtask 1: 0 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25