fork(1) download 
  1. #include <cstdio>
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. inline void getRestOfInput(int i, int n);
  6.  
  7. int main(){
  8.  
  9.     int t;
  10.     scanf("%d", &t);
  11.  
  12.     while(t--) {
  13.  
  14.         int n;
  15.         scanf("%d", &n);
  16.  
  17.         if( n < 3 ) {
  18.  
  19.             printf("TAK\n");
  20.  
  21.             getRestOfInput(0, n);
  22.  
  23.         } else {
  24.  
  25.             long long x1, y1, x2, y2;
  26.             scanf("%lld %lld\n%lld %lld", &x1, &y1, &x2, &y2);
  27.  
  28.             long long x3, y3;
  29.             bool collinear = true;
  30.  
  31.             for(int i = 2; i < n; ++i) {
  32.  
  33.                 scanf("%lld %lld", &x3, &y3);
  34.  
  35.                 if( x1 * y2 - x2 * y1 + x2 * y3 - x3 * y2 + x3 * y1 - y3 * x1 != 0 ) {
  36.  
  37.                     collinear = false;
  38.  
  39.                     getRestOfInput(i + 1, n);
  40.                     i = n;
  41.  
  42.                 }
  43.  
  44.             }
  45.  
  46.             if( collinear ) {
  47.  
  48.                 printf("TAK\n");
  49.  
  50.             } else {
  51.  
  52.                 printf("NIE\n");
  53.  
  54.             }
  55.  
  56.         }
  57.  
  58.     }
  59.  
  60. return 0;
  61. }
  62.  
  63. inline void getRestOfInput(int i, int n) {
  64.  
  65.     int a;
  66.  
  67.     for(; i < n; ++i) {
  68.  
  69.         scanf("%d %d", &a, &a);
  70.  
  71.     }
  72.  
  73. }
  74.  
Success #stdin #stdout 0s 3464KB
comments (?)
stdin 
2
4
0 0 
2 2
11 11
-2 -2
3
1 0
0 0 
0 1
stdout 
TAK
NIE
https://ideone.com/aBhak1
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!